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-rw-r--r--drivers/atm/he.c7
-rw-r--r--drivers/atm/solos-pci.c12
-rw-r--r--drivers/firmware/efi/libstub/efistub.h4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h11
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c6
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c5
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c137
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c10
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c9
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c25
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c16
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c5
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c19
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.h2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c5
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c8
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c47
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c65
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c27
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_test.c8
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c80
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c8
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c45
-rw-r--r--drivers/gpu/drm/amd/amdgpu/cz_smc.c6
-rw-r--r--drivers/gpu/drm/amd/amdgpu/fiji_smc.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c74
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c79
-rw-r--r--drivers/gpu/drm/amd/amdgpu/iceland_smc.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/tonga_smc.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c20
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vi.c3
-rw-r--r--drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h41
-rw-r--r--drivers/gpu/drm/amd/scheduler/gpu_scheduler.c155
-rw-r--r--drivers/gpu/drm/amd/scheduler/gpu_scheduler.h41
-rw-r--r--drivers/gpu/drm/amd/scheduler/sched_fence.c4
-rw-r--r--drivers/gpu/drm/drm_ioctl.c3
-rw-r--r--drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c3
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c26
-rw-r--r--drivers/gpu/drm/i915/intel_audio.c2
-rw-r--r--drivers/gpu/drm/i915/intel_bios.c12
-rw-r--r--drivers/gpu/drm/i915/intel_display.c7
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_fb.c31
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_main.c36
-rw-r--r--drivers/gpu/drm/qxl/qxl_display.c12
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c4
-rw-r--r--drivers/gpu/drm/radeon/si_dpm.c1
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c28
-rw-r--r--drivers/gpu/drm/vmwgfx/Kconfig2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c3
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.c10
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h7
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c6
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c3
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_resource.c29
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_shader.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_surface.c11
-rw-r--r--drivers/md/dm-crypt.c17
-rw-r--r--drivers/md/dm-thin.c4
-rw-r--r--drivers/misc/cxl/sysfs.c2
-rw-r--r--drivers/net/arcnet/arcnet.c2
-rw-r--r--drivers/net/dsa/mv88e6xxx.c1
-rw-r--r--drivers/net/ethernet/apm/xgene/xgene_enet_hw.c24
-rw-r--r--drivers/net/ethernet/arc/emac_arc.c1
-rw-r--r--drivers/net/ethernet/broadcom/bcmsysport.c1
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x.h1
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c20
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c12
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.c1
-rw-r--r--drivers/net/ethernet/brocade/bna/bna_tx_rx.c2
-rw-r--r--drivers/net/ethernet/brocade/bna/bna_types.h1
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad.c29
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad.h2
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad_ethtool.c4
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h5
-rw-r--r--drivers/net/ethernet/emulex/benet/be.h1
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c10
-rw-r--r--drivers/net/ethernet/freescale/gianfar.c15
-rw-r--r--drivers/net/ethernet/freescale/gianfar_ptp.c1
-rw-r--r--drivers/net/ethernet/freescale/ucc_geth.c8
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c6
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_rx.c2
-rw-r--r--drivers/net/ethernet/micrel/ks8851.c1
-rw-r--r--drivers/net/ethernet/moxa/moxart_ether.c1
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic.h1
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c18
-rw-r--r--drivers/net/ethernet/realtek/8139cp.c111
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c11
-rw-r--r--drivers/net/ethernet/sun/sunvnet.c17
-rw-r--r--drivers/net/ethernet/ti/netcp_core.c74
-rw-r--r--drivers/net/ethernet/ti/netcp_ethss.c47
-rw-r--r--drivers/net/ethernet/via/Kconfig2
-rw-r--r--drivers/net/ethernet/xilinx/xilinx_emaclite.c2
-rw-r--r--drivers/net/fjes/fjes_hw.c8
-rw-r--r--drivers/net/geneve.c32
-rw-r--r--drivers/net/irda/ali-ircc.c6
-rw-r--r--drivers/net/macvtap.c4
-rw-r--r--drivers/net/phy/fixed_phy.c2
-rw-r--r--drivers/net/phy/marvell.c9
-rw-r--r--drivers/net/phy/mdio-bcm-unimac.c1
-rw-r--r--drivers/net/phy/mdio-gpio.c1
-rw-r--r--drivers/net/phy/mdio-mux.c19
-rw-r--r--drivers/net/phy/mdio_bus.c31
-rw-r--r--drivers/net/phy/phy_device.c62
-rw-r--r--drivers/net/phy/vitesse.c14
-rw-r--r--drivers/net/ppp/ppp_generic.c4
-rw-r--r--drivers/net/usb/Kconfig11
-rw-r--r--drivers/net/usb/Makefile2
-rw-r--r--drivers/net/usb/ch9200.c432
-rw-r--r--drivers/net/vrf.c3
-rw-r--r--drivers/net/vxlan.c15
-rw-r--r--drivers/of/of_mdio.c27
-rw-r--r--drivers/of/of_pci_irq.c22
-rw-r--r--drivers/parisc/dino.c3
-rw-r--r--drivers/parisc/lba_pci.c1
-rw-r--r--drivers/pci/access.c27
-rw-r--r--drivers/pci/bus.c2
-rw-r--r--drivers/pci/host/pci-rcar-gen2.c1
-rw-r--r--drivers/pci/probe.c23
-rw-r--r--drivers/pci/quirks.c20
-rw-r--r--drivers/regulator/anatop-regulator.c1
-rw-r--r--drivers/regulator/core.c21
-rw-r--r--drivers/regulator/gpio-regulator.c1
-rw-r--r--drivers/regulator/pbias-regulator.c56
-rw-r--r--drivers/regulator/tps65218-regulator.c2
-rw-r--r--drivers/regulator/vexpress.c1
-rw-r--r--drivers/sh/pm_runtime.c19
-rw-r--r--drivers/spi/spi-atmel.c2
-rw-r--r--drivers/spi/spi-bcm2835.c6
-rw-r--r--drivers/spi/spi-meson-spifc.c1
-rw-r--r--drivers/spi/spi-mt65xx.c53
-rw-r--r--drivers/spi/spi-pxa2xx.c4
-rw-r--r--drivers/spi/spi-xtensa-xtfpga.c4
-rw-r--r--drivers/spi/spi.c3
-rw-r--r--drivers/spi/spidev.c3
-rw-r--r--drivers/thermal/Kconfig17
-rw-r--r--drivers/thermal/cpu_cooling.c52
-rw-r--r--drivers/thermal/db8500_cpufreq_cooling.c1
-rw-r--r--drivers/thermal/power_allocator.c243
-rw-r--r--drivers/thermal/thermal_core.c28
-rw-r--r--drivers/thermal/ti-soc-thermal/Kconfig8
150 files changed, 2001 insertions, 1022 deletions
diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index a8da3a50e374..0f5cb37636bc 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -1578,9 +1578,7 @@ he_stop(struct he_dev *he_dev)
kfree(he_dev->rbpl_virt);
kfree(he_dev->rbpl_table);
-
- if (he_dev->rbpl_pool)
- dma_pool_destroy(he_dev->rbpl_pool);
+ dma_pool_destroy(he_dev->rbpl_pool);
if (he_dev->rbrq_base)
dma_free_coherent(&he_dev->pci_dev->dev, CONFIG_RBRQ_SIZE * sizeof(struct he_rbrq),
@@ -1594,8 +1592,7 @@ he_stop(struct he_dev *he_dev)
dma_free_coherent(&he_dev->pci_dev->dev, CONFIG_TBRQ_SIZE * sizeof(struct he_tbrq),
he_dev->tpdrq_base, he_dev->tpdrq_phys);
- if (he_dev->tpd_pool)
- dma_pool_destroy(he_dev->tpd_pool);
+ dma_pool_destroy(he_dev->tpd_pool);
if (he_dev->pci_dev) {
pci_read_config_word(he_dev->pci_dev, PCI_COMMAND, &command);
diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index 74e18b0a6d89..3d7fb6516f74 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -805,7 +805,12 @@ static void solos_bh(unsigned long card_arg)
continue;
}
- skb = alloc_skb(size + 1, GFP_ATOMIC);
+ /* Use netdev_alloc_skb() because it adds NET_SKB_PAD of
+ * headroom, and ensures we can route packets back out an
+ * Ethernet interface (for example) without having to
+ * reallocate. Adding NET_IP_ALIGN also ensures that both
+ * PPPoATM and PPPoEoBR2684 packets end up aligned. */
+ skb = netdev_alloc_skb_ip_align(NULL, size + 1);
if (!skb) {
if (net_ratelimit())
dev_warn(&card->dev->dev, "Failed to allocate sk_buff for RX\n");
@@ -869,7 +874,10 @@ static void solos_bh(unsigned long card_arg)
/* Allocate RX skbs for any ports which need them */
if (card->using_dma && card->atmdev[port] &&
!card->rx_skb[port]) {
- struct sk_buff *skb = alloc_skb(RX_DMA_SIZE, GFP_ATOMIC);
+ /* Unlike the MMIO case (qv) we can't add NET_IP_ALIGN
+ * here; the FPGA can only DMA to addresses which are
+ * aligned to 4 bytes. */
+ struct sk_buff *skb = dev_alloc_skb(RX_DMA_SIZE);
if (skb) {
SKB_CB(skb)->dma_addr =
dma_map_single(&card->dev->dev, skb->data,
diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h
index e334a01cf92f..6b6548fda089 100644
--- a/drivers/firmware/efi/libstub/efistub.h
+++ b/drivers/firmware/efi/libstub/efistub.h
@@ -5,10 +5,6 @@
/* error code which can't be mistaken for valid address */
#define EFI_ERROR (~0UL)
-#undef memcpy
-#undef memset
-#undef memmove
-
void efi_char16_printk(efi_system_table_t *, efi_char16_t *);
efi_status_t efi_open_volume(efi_system_table_t *sys_table_arg, void *__image,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 668939a14206..6647fb26ef25 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -82,6 +82,7 @@ extern int amdgpu_vm_block_size;
extern int amdgpu_enable_scheduler;
extern int amdgpu_sched_jobs;
extern int amdgpu_sched_hw_submission;
+extern int amdgpu_enable_semaphores;
#define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
#define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
@@ -432,7 +433,7 @@ int amdgpu_fence_driver_init(struct amdgpu_device *adev);
void amdgpu_fence_driver_fini(struct amdgpu_device *adev);
void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev);
-void amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring);
+int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring);
int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
struct amdgpu_irq_src *irq_src,
unsigned irq_type);
@@ -890,7 +891,7 @@ struct amdgpu_ring {
struct amdgpu_device *adev;
const struct amdgpu_ring_funcs *funcs;
struct amdgpu_fence_driver fence_drv;
- struct amd_gpu_scheduler *scheduler;
+ struct amd_gpu_scheduler sched;
spinlock_t fence_lock;
struct mutex *ring_lock;
@@ -1201,8 +1202,6 @@ struct amdgpu_gfx {
struct amdgpu_irq_src priv_inst_irq;
/* gfx status */
uint32_t gfx_current_status;
- /* sync signal for const engine */
- unsigned ce_sync_offs;
/* ce ram size*/
unsigned ce_ram_size;
};
@@ -1274,8 +1273,10 @@ struct amdgpu_job {
uint32_t num_ibs;
struct mutex job_lock;
struct amdgpu_user_fence uf;
- int (*free_job)(struct amdgpu_job *sched_job);
+ int (*free_job)(struct amdgpu_job *job);
};
+#define to_amdgpu_job(sched_job) \
+ container_of((sched_job), struct amdgpu_job, base)
static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p, uint32_t ib_idx, int idx)
{
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index 496ed2192eba..84d68d658f8a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -183,7 +183,7 @@ int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
return -ENOMEM;
r = amdgpu_bo_create(rdev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_GTT,
- AMDGPU_GEM_CREATE_CPU_GTT_USWC, NULL, &(*mem)->bo);
+ AMDGPU_GEM_CREATE_CPU_GTT_USWC, NULL, NULL, &(*mem)->bo);
if (r) {
dev_err(rdev->dev,
"failed to allocate BO for amdkfd (%d)\n", r);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
index 98d59ee640ce..cd639c362df3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
@@ -79,7 +79,8 @@ static void amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size,
int time;
n = AMDGPU_BENCHMARK_ITERATIONS;
- r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, sdomain, 0, NULL, &sobj);
+ r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, sdomain, 0, NULL,
+ NULL, &sobj);
if (r) {
goto out_cleanup;
}
@@ -91,7 +92,8 @@ static void amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size,
if (r) {
goto out_cleanup;
}
- r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, ddomain, 0, NULL, &dobj);
+ r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, ddomain, 0, NULL,
+ NULL, &dobj);
if (r) {
goto out_cleanup;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 6b1243f9f86d..1c3fc99c5465 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -86,7 +86,7 @@ static int amdgpu_cgs_gmap_kmem(void *cgs_device, void *kmem,
struct sg_table *sg = drm_prime_pages_to_sg(&kmem_page, npages);
ret = amdgpu_bo_create(adev, size, PAGE_SIZE, false,
- AMDGPU_GEM_DOMAIN_GTT, 0, sg, &bo);
+ AMDGPU_GEM_DOMAIN_GTT, 0, sg, NULL, &bo);
if (ret)
return ret;
ret = amdgpu_bo_reserve(bo, false);
@@ -197,7 +197,8 @@ static int amdgpu_cgs_alloc_gpu_mem(void *cgs_device,
ret = amdgpu_bo_create_restricted(adev, size, PAGE_SIZE,
true, domain, flags,
- NULL, &placement, &obj);
+ NULL, &placement, NULL,
+ &obj);
if (ret) {
DRM_ERROR("(%d) bo create failed\n", ret);
return ret;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 3b355aeb62fd..749420f1ea6f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -154,42 +154,41 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data)
{
union drm_amdgpu_cs *cs = data;
uint64_t *chunk_array_user;
- uint64_t *chunk_array = NULL;
+ uint64_t *chunk_array;
struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
unsigned size, i;
- int r = 0;
+ int ret;
- if (!cs->in.num_chunks)
- goto out;
+ if (cs->in.num_chunks == 0)
+ return 0;
+
+ chunk_array = kmalloc_array(cs->in.num_chunks, sizeof(uint64_t), GFP_KERNEL);
+ if (!chunk_array)
+ return -ENOMEM;
p->ctx = amdgpu_ctx_get(fpriv, cs->in.ctx_id);
if (!p->ctx) {
- r = -EINVAL;
- goto out;
+ ret = -EINVAL;
+ goto free_chunk;
}
+
p->bo_list = amdgpu_bo_list_get(fpriv, cs->in.bo_list_handle);
/* get chunks */
INIT_LIST_HEAD(&p->validated);
- chunk_array = kmalloc_array(cs->in.num_chunks, sizeof(uint64_t), GFP_KERNEL);
- if (chunk_array == NULL) {
- r = -ENOMEM;
- goto out;
- }
-
chunk_array_user = (uint64_t __user *)(cs->in.chunks);
if (copy_from_user(chunk_array, chunk_array_user,
sizeof(uint64_t)*cs->in.num_chunks)) {
- r = -EFAULT;
- goto out;
+ ret = -EFAULT;
+ goto put_bo_list;
}
p->nchunks = cs->in.num_chunks;
p->chunks = kmalloc_array(p->nchunks, sizeof(struct amdgpu_cs_chunk),
GFP_KERNEL);
- if (p->chunks == NULL) {
- r = -ENOMEM;
- goto out;
+ if (!p->chunks) {
+ ret = -ENOMEM;
+ goto put_bo_list;
}
for (i = 0; i < p->nchunks; i++) {
@@ -200,8 +199,9 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data)
chunk_ptr = (void __user *)chunk_array[i];
if (copy_from_user(&user_chunk, chunk_ptr,
sizeof(struct drm_amdgpu_cs_chunk))) {
- r = -EFAULT;
- goto out;
+ ret = -EFAULT;
+ i--;
+ goto free_partial_kdata;
}
p->chunks[i].chunk_id = user_chunk.chunk_id;
p->chunks[i].length_dw = user_chunk.length_dw;
@@ -212,13 +212,14 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data)
p->chunks[i].kdata = drm_malloc_ab(size, sizeof(uint32_t));
if (p->chunks[i].kdata == NULL) {
- r = -ENOMEM;
- goto out;
+ ret = -ENOMEM;
+ i--;
+ goto free_partial_kdata;
}
size *= sizeof(uint32_t);
if (copy_from_user(p->chunks[i].kdata, cdata, size)) {
- r = -EFAULT;
- goto out;
+ ret = -EFAULT;
+ goto free_partial_kdata;
}
switch (p->chunks[i].chunk_id) {
@@ -238,15 +239,15 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data)
gobj = drm_gem_object_lookup(p->adev->ddev,
p->filp, handle);
if (gobj == NULL) {
- r = -EINVAL;
- goto out;
+ ret = -EINVAL;
+ goto free_partial_kdata;
}
p->uf.bo = gem_to_amdgpu_bo(gobj);
p->uf.offset = fence_data->offset;
} else {
- r = -EINVAL;
- goto out;
+ ret = -EINVAL;
+ goto free_partial_kdata;
}
break;
@@ -254,19 +255,35 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data)
break;
default:
- r = -EINVAL;
- goto out;
+ ret = -EINVAL;
+ goto free_partial_kdata;
}
}
p->ibs = kcalloc(p->num_ibs, sizeof(struct amdgpu_ib), GFP_KERNEL);
- if (!p->ibs)
- r = -ENOMEM;
+ if (!p->ibs) {
+ ret = -ENOMEM;
+ goto free_all_kdata;
+ }
-out:
kfree(chunk_array);
- return r;
+ return 0;
+
+free_all_kdata:
+ i = p->nchunks - 1;
+free_partial_kdata:
+ for (; i >= 0; i--)
+ drm_free_large(p->chunks[i].kdata);
+ kfree(p->chunks);
+put_bo_list:
+ if (p->bo_list)
+ amdgpu_bo_list_put(p->bo_list);
+ amdgpu_ctx_put(p->ctx);
+free_chunk:
+ kfree(chunk_array);
+
+ return ret;
}
/* Returns how many bytes TTM can move per IB.
@@ -321,25 +338,17 @@ static u64 amdgpu_cs_get_threshold_for_moves(struct amdgpu_device *adev)
return max(bytes_moved_threshold, 1024*1024ull);
}
-int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p)
+int amdgpu_cs_list_validate(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm,
+ struct list_head *validated)
{
- struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
- struct amdgpu_vm *vm = &fpriv->vm;
- struct amdgpu_device *adev = p->adev;
struct amdgpu_bo_list_entry *lobj;
- struct list_head duplicates;
struct amdgpu_bo *bo;
u64 bytes_moved = 0, initial_bytes_moved;
u64 bytes_moved_threshold = amdgpu_cs_get_threshold_for_moves(adev);
int r;
- INIT_LIST_HEAD(&duplicates);
- r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true, &duplicates);
- if (unlikely(r != 0)) {
- return r;
- }
-
- list_for_each_entry(lobj, &p->validated, tv.head) {
+ list_for_each_entry(lobj, validated, tv.head) {
bo = lobj->robj;
if (!bo->pin_count) {
u32 domain = lobj->prefered_domains;
@@ -373,7 +382,6 @@ int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p)
domain = lobj->allowed_domains;
goto retry;
}
- ttm_eu_backoff_reservation(&p->ticket, &p->validated);
return r;
}
}
@@ -386,6 +394,7 @@ static int amdgpu_cs_parser_relocs(struct amdgpu_cs_parser *p)
{
struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
struct amdgpu_cs_buckets buckets;
+ struct list_head duplicates;
bool need_mmap_lock = false;
int i, r;
@@ -405,8 +414,22 @@ static int amdgpu_cs_parser_relocs(struct amdgpu_cs_parser *p)
if (need_mmap_lock)
down_read(&current->mm->mmap_sem);
- r = amdgpu_cs_list_validate(p);
+ INIT_LIST_HEAD(&duplicates);
+ r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true, &duplicates);
+ if (unlikely(r != 0))
+ goto error_reserve;
+
+ r = amdgpu_cs_list_validate(p->adev, &fpriv->vm, &p->validated);
+ if (r)
+ goto error_validate;
+
+ r = amdgpu_cs_list_validate(p->adev, &fpriv->vm, &duplicates);
+
+error_validate:
+ if (r)
+ ttm_eu_backoff_reservation(&p->ticket, &p->validated);
+error_reserve:
if (need_mmap_lock)
up_read(&current->mm->mmap_sem);
@@ -772,15 +795,15 @@ static int amdgpu_cs_dependencies(struct amdgpu_device *adev,
return 0;
}
-static int amdgpu_cs_free_job(struct amdgpu_job *sched_job)
+static int amdgpu_cs_free_job(struct amdgpu_job *job)
{
int i;
- if (sched_job->ibs)
- for (i = 0; i < sched_job->num_ibs; i++)
- amdgpu_ib_free(sched_job->adev, &sched_job->ibs[i]);
- kfree(sched_job->ibs);
- if (sched_job->uf.bo)
- drm_gem_object_unreference_unlocked(&sched_job->uf.bo->gem_base);
+ if (job->ibs)
+ for (i = 0; i < job->num_ibs; i++)
+ amdgpu_ib_free(job->adev, &job->ibs[i]);
+ kfree(job->ibs);
+ if (job->uf.bo)
+ drm_gem_object_unreference_unlocked(&job->uf.bo->gem_base);
return 0;
}
@@ -804,7 +827,7 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
r = amdgpu_cs_parser_init(parser, data);
if (r) {
DRM_ERROR("Failed to initialize parser !\n");
- amdgpu_cs_parser_fini(parser, r, false);
+ kfree(parser);
up_read(&adev->exclusive_lock);
r = amdgpu_cs_handle_lockup(adev, r);
return r;
@@ -842,7 +865,7 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
job = kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL);
if (!job)
return -ENOMEM;
- job->base.sched = ring->scheduler;
+ job->base.sched = &ring->sched;
job->base.s_entity = &parser->ctx->rings[ring->idx].entity;
job->adev = parser->adev;
job->ibs = parser->ibs;
@@ -857,7 +880,7 @@ int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
job->free_job = amdgpu_cs_free_job;
mutex_lock(&job->job_lock);
- r = amd_sched_entity_push_job((struct amd_sched_job *)job);
+ r = amd_sched_entity_push_job(&job->base);
if (r) {
mutex_unlock(&job->job_lock);
amdgpu_cs_free_job(job);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index 20cbc4eb5a6f..e0b80ccdfe8a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -43,10 +43,10 @@ int amdgpu_ctx_init(struct amdgpu_device *adev, bool kernel,
for (i = 0; i < adev->num_rings; i++) {
struct amd_sched_rq *rq;
if (kernel)
- rq = &adev->rings[i]->scheduler->kernel_rq;
+ rq = &adev->rings[i]->sched.kernel_rq;
else
- rq = &adev->rings[i]->scheduler->sched_rq;
- r = amd_sched_entity_init(adev->rings[i]->scheduler,
+ rq = &adev->rings[i]->sched.sched_rq;
+ r = amd_sched_entity_init(&adev->rings[i]->sched,
&ctx->rings[i].entity,
rq, amdgpu_sched_jobs);
if (r)
@@ -55,7 +55,7 @@ int amdgpu_ctx_init(struct amdgpu_device *adev, bool kernel,
if (i < adev->num_rings) {
for (j = 0; j < i; j++)
- amd_sched_entity_fini(adev->rings[j]->scheduler,
+ amd_sched_entity_fini(&adev->rings[j]->sched,
&ctx->rings[j].entity);
kfree(ctx);
return r;
@@ -75,7 +75,7 @@ void amdgpu_ctx_fini(struct amdgpu_ctx *ctx)
if (amdgpu_enable_scheduler) {
for (i = 0; i < adev->num_rings; i++)
- amd_sched_entity_fini(adev->rings[i]->scheduler,
+ amd_sched_entity_fini(&adev->rings[i]->sched,
&ctx->rings[i].entity);
}
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 6ff6ae945794..6068d8207d10 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -246,7 +246,7 @@ static int amdgpu_vram_scratch_init(struct amdgpu_device *adev)
r = amdgpu_bo_create(adev, AMDGPU_GPU_PAGE_SIZE,
PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, &adev->vram_scratch.robj);
+ NULL, NULL, &adev->vram_scratch.robj);
if (r) {
return r;
}
@@ -449,7 +449,8 @@ static int amdgpu_wb_init(struct amdgpu_device *adev)
if (adev->wb.wb_obj == NULL) {
r = amdgpu_bo_create(adev, AMDGPU_MAX_WB * 4, PAGE_SIZE, true,
- AMDGPU_GEM_DOMAIN_GTT, 0, NULL, &adev->wb.wb_obj);
+ AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
+ &adev->wb.wb_obj);
if (r) {
dev_warn(adev->dev, "(%d) create WB bo failed\n", r);
return r;
@@ -1650,9 +1651,11 @@ int amdgpu_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon)
drm_kms_helper_poll_disable(dev);
/* turn off display hw */
+ drm_modeset_lock_all(dev);
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
}
+ drm_modeset_unlock_all(dev);
/* unpin the front buffers */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
@@ -1747,9 +1750,11 @@ int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
if (fbcon) {
drm_helper_resume_force_mode(dev);
/* turn on display hw */
+ drm_modeset_lock_all(dev);
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
}
+ drm_modeset_unlock_all(dev);
}
drm_kms_helper_poll_enable(dev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 0fcc0bd1622c..adb48353f2e1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -79,6 +79,7 @@ int amdgpu_exp_hw_support = 0;
int amdgpu_enable_scheduler = 0;
int amdgpu_sched_jobs = 16;
int amdgpu_sched_hw_submission = 2;
+int amdgpu_enable_semaphores = 1;
MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing, in megabytes");
module_param_named(vramlimit, amdgpu_vram_limit, int, 0600);
@@ -152,6 +153,9 @@ module_param_named(sched_jobs, amdgpu_sched_jobs, int, 0444);
MODULE_PARM_DESC(sched_hw_submission, "the max number of HW submissions (default 2)");
module_param_named(sched_hw_submission, amdgpu_sched_hw_submission, int, 0444);
+MODULE_PARM_DESC(enable_semaphores, "Enable semaphores (1 = enable (default), 0 = disable)");
+module_param_named(enable_semaphores, amdgpu_enable_semaphores, int, 0644);
+
static struct pci_device_id pciidlist[] = {
#ifdef CONFIG_DRM_AMDGPU_CIK
/* Kaveri */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 1be2bd6d07ea..b3fc26c59787 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -609,9 +609,9 @@ int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
* Init the fence driver for the requested ring (all asics).
* Helper function for amdgpu_fence_driver_init().
*/
-void amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring)
+int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring)
{
- int i;
+ int i, r;
ring->fence_drv.cpu_addr = NULL;
ring->fence_drv.gpu_addr = 0;
@@ -625,15 +625,19 @@ void amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring)
amdgpu_fence_check_lockup);
ring->fence_drv.ring = ring;
+ init_waitqueue_head(&ring->fence_drv.fence_queue);
+
if (amdgpu_enable_scheduler) {
- ring->scheduler = amd_sched_create(&amdgpu_sched_ops,
- ring->idx,
- amdgpu_sched_hw_submission,
- (void *)ring->adev);
- if (!ring->scheduler)
- DRM_ERROR("Failed to create scheduler on ring %d.\n",
- ring->idx);
+ r = amd_sched_init(&ring->sched, &amdgpu_sched_ops,
+ amdgpu_sched_hw_submission, ring->name);
+ if (r) {
+ DRM_ERROR("Failed to create scheduler on ring %s.\n",
+ ring->name);
+ return r;
+ }
}
+
+ return 0;
}
/**
@@ -681,8 +685,7 @@ void amdgpu_fence_driver_fini(struct amdgpu_device *adev)
wake_up_all(&ring->fence_drv.fence_queue);
amdgpu_irq_put(adev, ring->fence_drv.irq_src,
ring->fence_drv.irq_type);
- if (ring->scheduler)
- amd_sched_destroy(ring->scheduler);
+ amd_sched_fini(&ring->sched);
ring->fence_drv.initialized = false;
}
mutex_unlock(&adev->ring_lock);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index cbd3a486c5c2..7312d729d300 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -127,7 +127,7 @@ int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev)
r = amdgpu_bo_create(adev, adev->gart.table_size,
PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, &adev->gart.robj);
+ NULL, NULL, &adev->gart.robj);
if (r) {
return r;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 5839fab374bf..7297ca3a0ba7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -69,7 +69,8 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
}
}
retry:
- r = amdgpu_bo_create(adev, size, alignment, kernel, initial_domain, flags, NULL, &robj);
+ r = amdgpu_bo_create(adev, size, alignment, kernel, initial_domain,
+ flags, NULL, NULL, &robj);
if (r) {
if (r != -ERESTARTSYS) {
if (initial_domain == AMDGPU_GEM_DOMAIN_VRAM) {
@@ -426,6 +427,10 @@ int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data,
&args->data.data_size_bytes,
&args->data.flags);
} else if (args->op == AMDGPU_GEM_METADATA_OP_SET_METADATA) {
+ if (args->data.data_size_bytes > sizeof(args->data.data)) {
+ r = -EINVAL;
+ goto unreserve;
+ }
r = amdgpu_bo_set_tiling_flags(robj, args->data.tiling_info);
if (!r)
r = amdgpu_bo_set_metadata(robj, args->data.data,
@@ -433,6 +438,7 @@ int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data,
args->data.flags);
}
+unreserve:
amdgpu_bo_unreserve(robj);
out:
drm_gem_object_unreference_unlocked(gobj);
@@ -454,11 +460,12 @@ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev,
struct ttm_validate_buffer tv, *entry;
struct amdgpu_bo_list_entry *vm_bos;
struct ww_acquire_ctx ticket;
- struct list_head list;
+ struct list_head list, duplicates;
unsigned domain;
int r;
INIT_LIST_HEAD(&list);
+ INIT_LIST_HEAD(&duplicates);
tv.bo = &bo_va->bo->tbo;
tv.shared = true;
@@ -468,7 +475,8 @@ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev,
if (!vm_bos)
return;
- r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL);
+ /* Provide duplicates to avoid -EALREADY */
+ r = ttm_eu_reserve_buffers(&ticket, &list, true, &duplicates);
if (r)
goto error_free;
@@ -651,7 +659,7 @@ int amdgpu_mode_dumb_create(struct drm_file *file_priv,
int r;
args->pitch = amdgpu_align_pitch(adev, args->width, args->bpp, 0) * ((args->bpp + 1) / 8);
- args->size = args->pitch * args->height;
+ args->size = (u64)args->pitch * args->height;
args->size = ALIGN(args->size, PAGE_SIZE);
r = amdgpu_gem_object_create(adev, args->size, 0,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
index 5c8a803acedc..534fc04e80fd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c
@@ -43,7 +43,7 @@ static int amdgpu_ih_ring_alloc(struct amdgpu_device *adev)
r = amdgpu_bo_create(adev, adev->irq.ih.ring_size,
PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_GTT, 0,
- NULL, &adev->irq.ih.ring_obj);
+ NULL, NULL, &adev->irq.ih.ring_obj);
if (r) {
DRM_ERROR("amdgpu: failed to create ih ring buffer (%d).\n", r);
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 0aba8e9bc8a0..7c42ff670080 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -140,7 +140,7 @@ void amdgpu_irq_preinstall(struct drm_device *dev)
*/
int amdgpu_irq_postinstall(struct drm_device *dev)
{
- dev->max_vblank_count = 0x001fffff;
+ dev->max_vblank_count = 0x00ffffff;
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 22367939ebf1..8c735f544b66 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -390,7 +390,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
}
case AMDGPU_INFO_READ_MMR_REG: {
- unsigned n, alloc_size = info->read_mmr_reg.count * 4;
+ unsigned n, alloc_size;
uint32_t *regs;
unsigned se_num = (info->read_mmr_reg.instance >>
AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
@@ -406,9 +406,10 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
sh_num = 0xffffffff;
- regs = kmalloc(alloc_size, GFP_KERNEL);
+ regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
if (!regs)
return -ENOMEM;
+ alloc_size = info->read_mmr_reg.count * sizeof(*regs);
for (i = 0; i < info->read_mmr_reg.count; i++)
if (amdgpu_asic_read_register(adev, se_num, sh_num,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 08b09d55b96f..1a7708f365f3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -215,6 +215,7 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
bool kernel, u32 domain, u64 flags,
struct sg_table *sg,
struct ttm_placement *placement,
+ struct reservation_object *resv,
struct amdgpu_bo **bo_ptr)
{
struct amdgpu_bo *bo;
@@ -261,7 +262,7 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
/* Kernel allocation are uninterruptible */
r = ttm_bo_init(&adev->mman.bdev, &bo->tbo, size, type,
&bo->placement, page_align, !kernel, NULL,
- acc_size, sg, NULL, &amdgpu_ttm_bo_destroy);
+ acc_size, sg, resv, &amdgpu_ttm_bo_destroy);
if (unlikely(r != 0)) {
return r;
}
@@ -275,7 +276,9 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
int amdgpu_bo_create(struct amdgpu_device *adev,
unsigned long size, int byte_align,
bool kernel, u32 domain, u64 flags,
- struct sg_table *sg, struct amdgpu_bo **bo_ptr)
+ struct sg_table *sg,
+ struct reservation_object *resv,
+ struct amdgpu_bo **bo_ptr)
{
struct ttm_placement placement = {0};
struct ttm_place placements[AMDGPU_GEM_DOMAIN_MAX + 1];
@@ -286,11 +289,9 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
amdgpu_ttm_placement_init(adev, &placement,
placements, domain, flags);
- return amdgpu_bo_create_restricted(adev, size, byte_align,
- kernel, domain, flags,
- sg,
- &placement,
- bo_ptr);
+ return amdgpu_bo_create_restricted(adev, size, byte_align, kernel,
+ domain, flags, sg, &placement,
+ resv, bo_ptr);
}
int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr)
@@ -535,12 +536,10 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata,
if (metadata == NULL)
return -EINVAL;
- buffer = kzalloc(metadata_size, GFP_KERNEL);
+ buffer = kmemdup(metadata, metadata_size, GFP_KERNEL);
if (buffer == NULL)
return -ENOMEM;
- memcpy(buffer, metadata, metadata_size);
-
kfree(bo->metadata);
bo->metadata_flags = flags;
bo->metadata = buffer;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index 6ea18dcec561..3c2ff4567798 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -129,12 +129,14 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
unsigned long size, int byte_align,
bool kernel, u32 domain, u64 flags,
struct sg_table *sg,
+ struct reservation_object *resv,
struct amdgpu_bo **bo_ptr);
int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
unsigned long size, int byte_align,
bool kernel, u32 domain, u64 flags,
struct sg_table *sg,
struct ttm_placement *placement,
+ struct reservation_object *resv,
struct amdgpu_bo **bo_ptr);
int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
void amdgpu_bo_kunmap(struct amdgpu_bo *bo);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
index d9652fe32d6a..59f735a933a9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_prime.c
@@ -61,12 +61,15 @@ struct drm_gem_object *amdgpu_gem_prime_import_sg_table(struct drm_device *dev,
struct dma_buf_attachment *attach,
struct sg_table *sg)
{
+ struct reservation_object *resv = attach->dmabuf->resv;
struct amdgpu_device *adev = dev->dev_private;
struct amdgpu_bo *bo;
int ret;
+ ww_mutex_lock(&resv->lock, NULL);
ret = amdgpu_bo_create(adev, attach->dmabuf->size, PAGE_SIZE, false,
- AMDGPU_GEM_DOMAIN_GTT, 0, sg, &bo);
+ AMDGPU_GEM_DOMAIN_GTT, 0, sg, resv, &bo);
+ ww_mutex_unlock(&resv->lock);
if (ret)
return ERR_PTR(ret);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 9bec91484c24..30dce235ddeb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -357,11 +357,11 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
ring->adev = adev;
ring->idx = adev->num_rings++;
adev->rings[ring->idx] = ring;
- amdgpu_fence_driver_init_ring(ring);
+ r = amdgpu_fence_driver_init_ring(ring);
+ if (r)
+ return r;
}
- init_waitqueue_head(&ring->fence_drv.fence_queue);
-
r = amdgpu_wb_get(adev, &ring->rptr_offs);
if (r) {
dev_err(adev->dev, "(%d) ring rptr_offs wb alloc failed\n", r);
@@ -407,7 +407,7 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
if (ring->ring_obj == NULL) {
r = amdgpu_bo_create(adev, ring->ring_size, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_GTT, 0,
- NULL, &ring->ring_obj);
+ NULL, NULL, &ring->ring_obj);
if (r) {
dev_err(adev->dev, "(%d) ring create failed\n", r);
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
index 74dad270362c..e90712443fe9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
@@ -64,8 +64,8 @@ int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev,
INIT_LIST_HEAD(&sa_manager->flist[i]);
}
- r = amdgpu_bo_create(adev, size, align, true,
- domain, 0, NULL, &sa_manager->bo);
+ r = amdgpu_bo_create(adev, size, align, true, domain,
+ 0, NULL, NULL, &sa_manager->bo);
if (r) {
dev_err(adev->dev, "(%d) failed to allocate bo for manager\n", r);
return r;
@@ -145,8 +145,13 @@ static uint32_t amdgpu_sa_get_ring_from_fence(struct fence *f)
struct amd_sched_fence *s_fence;
s_fence = to_amd_sched_fence(f);
- if (s_fence)
- return s_fence->scheduler->ring_id;
+ if (s_fence) {
+ struct amdgpu_ring *ring;
+
+ ring = container_of(s_fence->sched, struct amdgpu_ring, sched);
+ return ring->idx;
+ }
+
a_fence = to_amdgpu_fence(f);
if (a_fence)
return a_fence->ring->idx;
@@ -412,6 +417,26 @@ void amdgpu_sa_bo_free(struct amdgpu_device *adev, struct amdgpu_sa_bo **sa_bo,
}
#if defined(CONFIG_DEBUG_FS)
+
+static void amdgpu_sa_bo_dump_fence(struct fence *fence, struct seq_file *m)
+{
+ struct amdgpu_fence *a_fence = to_amdgpu_fence(fence);
+ struct amd_sched_fence *s_fence = to_amd_sched_fence(fence);
+
+ if (a_fence)
+ seq_printf(m, " protected by 0x%016llx on ring %d",
+ a_fence->seq, a_fence->ring->idx);
+
+ if (s_fence) {
+ struct amdgpu_ring *ring;
+
+
+ ring = container_of(s_fence->sched, struct amdgpu_ring, sched);
+ seq_printf(m, " protected by 0x%016x on ring %d",
+ s_fence->base.seqno, ring->idx);
+ }
+}
+
void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,
struct seq_file *m)
{
@@ -428,18 +453,8 @@ void amdgpu_sa_bo_dump_debug_info(struct amdgpu_sa_manager *sa_manager,
}
seq_printf(m, "[0x%010llx 0x%010llx] size %8lld",
soffset, eoffset, eoffset - soffset);
- if (i->fence) {
- struct amdgpu_fence *a_fence = to_amdgpu_fence(i->fence);
- struct amd_sched_fence *s_fence = to_amd_sched_fence(i->fence);
- if (a_fence)
- seq_printf(m, " protected by 0x%016llx on ring %d",
- a_fence->seq, a_fence->ring->idx);
- if (s_fence)
- seq_printf(m, " protected by 0x%016x on ring %d",
- s_fence->base.seqno,
- s_fence->scheduler->ring_id);
-
- }
+ if (i->fence)
+ amdgpu_sa_bo_dump_fence(i->fence, m);
seq_printf(m, "\n");
}
spin_unlock(&sa_manager->wq.lock);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
index de98fbd2971e..2e946b2cad88 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
@@ -27,63 +27,48 @@
#include <drm/drmP.h>
#include "amdgpu.h"
-static struct fence *amdgpu_sched_dependency(struct amd_sched_job *job)
+static struct fence *amdgpu_sched_dependency(struct amd_sched_job *sched_job)
{
- struct amdgpu_job *sched_job = (struct amdgpu_job *)job;
- return amdgpu_sync_get_fence(&sched_job->ibs->sync);
+ struct amdgpu_job *job = to_amdgpu_job(sched_job);
+ return amdgpu_sync_get_fence(&job->ibs->sync);
}
-static struct fence *amdgpu_sched_run_job(struct amd_sched_job *job)
+static struct fence *amdgpu_sched_run_job(struct amd_sched_job *sched_job)
{
- struct amdgpu_job *sched_job;
- struct amdgpu_fence *fence;
+ struct amdgpu_fence *fence = NULL;
+ struct amdgpu_job *job;
int r;
- if (!job) {
+ if (!sched_job) {
DRM_ERROR("job is null\n");
return NULL;
}
- sched_job = (struct amdgpu_job *)job;
- mutex_lock(&sched_job->job_lock);
- r = amdgpu_ib_schedule(sched_job->adev,
- sched_job->num_ibs,
- sched_job->ibs,
- sched_job->base.owner);
- if (r)
+ job = to_amdgpu_job(sched_job);
+ mutex_lock(&job->job_lock);
+ r = amdgpu_ib_schedule(job->adev,
+ job->num_ibs,
+ job->ibs,
+ job->base.owner);
+ if (r) {
+ DRM_ERROR("Error scheduling IBs (%d)\n", r);
goto err;
- fence = amdgpu_fence_ref(sched_job->ibs[sched_job->num_ibs - 1].fence);
-
- if (sched_job->free_job)
- sched_job->free_job(sched_job);
+ }
- mutex_unlock(&sched_job->job_lock);
- return &fence->base;
+ fence = amdgpu_fence_ref(job->ibs[job->num_ibs - 1].fence);
err:
- DRM_ERROR("Run job error\n");
- mutex_unlock(&sched_job->job_lock);
- job->sched->ops->process_job(job);
- return NULL;
-}
+ if (job->free_job)
+ job->free_job(job);
-static void amdgpu_sched_process_job(struct amd_sched_job *job)
-{
- struct amdgpu_job *sched_job;
-
- if (!job) {
- DRM_ERROR("job is null\n");
- return;
- }
- sched_job = (struct amdgpu_job *)job;
- /* after processing job, free memory */
- fence_put(&sched_job->base.s_fence->base);
- kfree(sched_job);
+ mutex_unlock(&job->job_lock);
+ fence_put(&job->base.s_fence->base);
+ kfree(job);
+ return fence ? &fence->base : NULL;
}
struct amd_sched_backend_ops amdgpu_sched_ops = {
.dependency = amdgpu_sched_dependency,
.run_job = amdgpu_sched_run_job,
- .process_job = amdgpu_sched_process_job
};
int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
@@ -100,7 +85,7 @@ int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL);
if (!job)
return -ENOMEM;
- job->base.sched = ring->scheduler;
+ job->base.sched = &ring->sched;
job->base.s_entity = &adev->kernel_ctx.rings[ring->idx].entity;
job->adev = adev;
job->ibs = ibs;
@@ -109,7 +94,7 @@ int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
mutex_init(&job->job_lock);
job->free_job = free_job;
mutex_lock(&job->job_lock);
- r = amd_sched_entity_push_job((struct amd_sched_job *)job);
+ r = amd_sched_entity_push_job(&job->base);
if (r) {
mutex_unlock(&job->job_lock);
kfree(job);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index 068aeaff7183..4921de15b451 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -65,8 +65,14 @@ static bool amdgpu_sync_same_dev(struct amdgpu_device *adev, struct fence *f)
if (a_fence)
return a_fence->ring->adev == adev;
- if (s_fence)
- return (struct amdgpu_device *)s_fence->scheduler->priv == adev;
+
+ if (s_fence) {
+ struct amdgpu_ring *ring;
+
+ ring = container_of(s_fence->sched, struct amdgpu_ring, sched);
+ return ring->adev == adev;
+ }
+
return false;
}
@@ -251,6 +257,20 @@ int amdgpu_sync_wait(struct amdgpu_sync *sync)
fence_put(e->fence);
kfree(e);
}
+
+ if (amdgpu_enable_semaphores)
+ return 0;
+
+ for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
+ struct amdgpu_fence *fence = sync->sync_to[i];
+ if (!fence)
+ continue;
+
+ r = fence_wait(&fence->base, false);
+ if (r)
+ return r;
+ }
+
return 0;
}
@@ -285,7 +305,8 @@ int amdgpu_sync_rings(struct amdgpu_sync *sync,
return -EINVAL;
}
- if (amdgpu_enable_scheduler || (count >= AMDGPU_NUM_SYNCS)) {
+ if (amdgpu_enable_scheduler || !amdgpu_enable_semaphores ||
+ (count >= AMDGPU_NUM_SYNCS)) {
/* not enough room, wait manually */
r = fence_wait(&fence->base, false);
if (r)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c
index f80b1a43be8a..4865615e9c06 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c
@@ -59,8 +59,9 @@ static void amdgpu_do_test_moves(struct amdgpu_device *adev)
goto out_cleanup;
}
- r = amdgpu_bo_create(adev, size, PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, 0,
- NULL, &vram_obj);
+ r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
+ AMDGPU_GEM_DOMAIN_VRAM, 0,
+ NULL, NULL, &vram_obj);
if (r) {
DRM_ERROR("Failed to create VRAM object\n");
goto out_cleanup;
@@ -80,7 +81,8 @@ static void amdgpu_do_test_moves(struct amdgpu_device *adev)
struct fence *fence = NULL;
r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
- AMDGPU_GEM_DOMAIN_GTT, 0, NULL, gtt_obj + i);
+ AMDGPU_GEM_DOMAIN_GTT, 0, NULL,
+ NULL, gtt_obj + i);
if (r) {
DRM_ERROR("Failed to create GTT object %d\n", i);
goto out_lclean;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index b5abd5cde413..364cbe975332 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -861,7 +861,7 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
r = amdgpu_bo_create(adev, 256 * 1024, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, &adev->stollen_vga_memory);
+ NULL, NULL, &adev->stollen_vga_memory);
if (r) {
return r;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
index 482e66797ae6..5cc95f1a7dab 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
@@ -247,7 +247,7 @@ int amdgpu_ucode_init_bo(struct amdgpu_device *adev)
const struct common_firmware_header *header = NULL;
err = amdgpu_bo_create(adev, adev->firmware.fw_size, PAGE_SIZE, true,
- AMDGPU_GEM_DOMAIN_GTT, 0, NULL, bo);
+ AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL, bo);
if (err) {
dev_err(adev->dev, "(%d) Firmware buffer allocate failed\n", err);
err = -ENOMEM;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 2cf6c6b06e3b..d0312364d950 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -156,7 +156,7 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
r = amdgpu_bo_create(adev, bo_size, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, &adev->uvd.vcpu_bo);
+ NULL, NULL, &adev->uvd.vcpu_bo);
if (r) {
dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
return r;
@@ -543,46 +543,60 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
return -EINVAL;
}
- if (msg_type == 1) {
+ switch (msg_type) {
+ case 0:
+ /* it's a create msg, calc image size (width * height) */
+ amdgpu_bo_kunmap(bo);
+
+ /* try to alloc a new handle */
+ for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) {
+ if (atomic_read(&adev->uvd.handles[i]) == handle) {
+ DRM_ERROR("Handle 0x%x already in use!\n", handle);
+ return -EINVAL;
+ }
+
+ if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
+ adev->uvd.filp[i] = ctx->parser->filp;
+ return 0;
+ }
+ }
+
+ DRM_ERROR("No more free UVD handles!\n");
+ return -EINVAL;
+
+ case 1:
/* it's a decode msg, calc buffer sizes */
r = amdgpu_uvd_cs_msg_decode(msg, ctx->buf_sizes);
amdgpu_bo_kunmap(bo);
if (r)
return r;
- } else if (msg_type == 2) {
+ /* validate the handle */
+ for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) {
+ if (atomic_read(&adev->uvd.handles[i]) == handle) {
+ if (adev->uvd.filp[i] != ctx->parser->filp) {
+ DRM_ERROR("UVD handle collision detected!\n");
+ return -EINVAL;
+ }
+ return 0;
+ }
+ }
+
+ DRM_ERROR("Invalid UVD handle 0x%x!\n", handle);
+ return -ENOENT;
+
+ case 2:
/* it's a destroy msg, free the handle */
for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i)
atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
amdgpu_bo_kunmap(bo);
return 0;
- } else {
- /* it's a create msg */
- amdgpu_bo_kunmap(bo);
-
- if (msg_type != 0) {
- DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
- return -EINVAL;
- }
-
- /* it's a create msg, no special handling needed */
- }
-
- /* create or decode, validate the handle */
- for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) {
- if (atomic_read(&adev->uvd.handles[i]) == handle)
- return 0;
- }
- /* handle not found try to alloc a new one */
- for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) {
- if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
- adev->uvd.filp[i] = ctx->parser->filp;
- return 0;
- }
+ default:
+ DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
+ return -EINVAL;
}
-
- DRM_ERROR("No more free UVD handles!\n");
+ BUG();
return -EINVAL;
}
@@ -805,10 +819,10 @@ int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx)
}
static int amdgpu_uvd_free_job(
- struct amdgpu_job *sched_job)
+ struct amdgpu_job *job)
{
- amdgpu_ib_free(sched_job->adev, sched_job->ibs);
- kfree(sched_job->ibs);
+ amdgpu_ib_free(job->adev, job->ibs);
+ kfree(job->ibs);
return 0;
}
@@ -905,7 +919,7 @@ int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, &bo);
+ NULL, NULL, &bo);
if (r)
return r;
@@ -954,7 +968,7 @@ int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, &bo);
+ NULL, NULL, &bo);
if (r)
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index 3cab96c42aa8..74f2038ac747 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -143,7 +143,7 @@ int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, &adev->vce.vcpu_bo);
+ NULL, NULL, &adev->vce.vcpu_bo);
if (r) {
dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r);
return r;
@@ -342,10 +342,10 @@ void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
}
static int amdgpu_vce_free_job(
- struct amdgpu_job *sched_job)
+ struct amdgpu_job *job)
{
- amdgpu_ib_free(sched_job->adev, sched_job->ibs);
- kfree(sched_job->ibs);
+ amdgpu_ib_free(job->adev, job->ibs);
+ kfree(job->ibs);
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index f68b7cdc370a..1e14531353e0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -316,12 +316,12 @@ static void amdgpu_vm_update_pages(struct amdgpu_device *adev,
}
}
-int amdgpu_vm_free_job(struct amdgpu_job *sched_job)
+int amdgpu_vm_free_job(struct amdgpu_job *job)
{
int i;
- for (i = 0; i < sched_job->num_ibs; i++)
- amdgpu_ib_free(sched_job->adev, &sched_job->ibs[i]);
- kfree(sched_job->ibs);
+ for (i = 0; i < job->num_ibs; i++)
+ amdgpu_ib_free(job->adev, &job->ibs[i]);
+ kfree(job->ibs);
return 0;
}
@@ -686,31 +686,6 @@ static int amdgpu_vm_update_ptes(struct amdgpu_device *adev,
}
/**
- * amdgpu_vm_fence_pts - fence page tables after an update
- *
- * @vm: requested vm
- * @start: start of GPU address range
- * @end: end of GPU address range
- * @fence: fence to use
- *
- * Fence the page tables in the range @start - @end (cayman+).
- *
- * Global and local mutex must be locked!
- */
-static void amdgpu_vm_fence_pts(struct amdgpu_vm *vm,
- uint64_t start, uint64_t end,
- struct fence *fence)
-{
- unsigned i;
-
- start >>= amdgpu_vm_block_size;
- end >>= amdgpu_vm_block_size;
-
- for (i = start; i <= end; ++i)
- amdgpu_bo_fence(vm->page_tables[i].bo, fence, true);
-}
-
-/**
* amdgpu_vm_bo_update_mapping - update a mapping in the vm page table
*
* @adev: amdgpu_device pointer
@@ -813,8 +788,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
if (r)
goto error_free;
- amdgpu_vm_fence_pts(vm, mapping->it.start,
- mapping->it.last + 1, f);
+ amdgpu_bo_fence(vm->page_directory, f, true);
if (fence) {
fence_put(*fence);
*fence = fence_get(f);
@@ -855,7 +829,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev,
int r;
if (mem) {
- addr = mem->start << PAGE_SHIFT;
+ addr = (u64)mem->start << PAGE_SHIFT;
if (mem->mem_type != TTM_PL_TT)
addr += adev->vm_manager.vram_base_offset;
} else {
@@ -1089,6 +1063,7 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
/* walk over the address space and allocate the page tables */
for (pt_idx = saddr; pt_idx <= eaddr; ++pt_idx) {
+ struct reservation_object *resv = vm->page_directory->tbo.resv;
struct amdgpu_bo *pt;
if (vm->page_tables[pt_idx].bo)
@@ -1097,11 +1072,13 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
/* drop mutex to allocate and clear page table */
mutex_unlock(&vm->mutex);
+ ww_mutex_lock(&resv->lock, NULL);
r = amdgpu_bo_create(adev, AMDGPU_VM_PTE_COUNT * 8,
AMDGPU_GPU_PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_NO_CPU_ACCESS,
- NULL, &pt);
+ NULL, resv, &pt);
+ ww_mutex_unlock(&resv->lock);
if (r)
goto error_free;
@@ -1303,7 +1280,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm)
r = amdgpu_bo_create(adev, pd_size, align, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_NO_CPU_ACCESS,
- NULL, &vm->page_directory);
+ NULL, NULL, &vm->page_directory);
if (r)
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/cz_smc.c b/drivers/gpu/drm/amd/amdgpu/cz_smc.c
index a72ffc7d6c26..e33180d3314a 100644
--- a/drivers/gpu/drm/amd/amdgpu/cz_smc.c
+++ b/drivers/gpu/drm/amd/amdgpu/cz_smc.c
@@ -814,7 +814,8 @@ int cz_smu_init(struct amdgpu_device *adev)
* 3. map kernel virtual address
*/
ret = amdgpu_bo_create(adev, priv->toc_buffer.data_size, PAGE_SIZE,
- true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, toc_buf);
+ true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
+ toc_buf);
if (ret) {
dev_err(adev->dev, "(%d) SMC TOC buffer allocation failed\n", ret);
@@ -822,7 +823,8 @@ int cz_smu_init(struct amdgpu_device *adev)
}
ret = amdgpu_bo_create(adev, priv->smu_buffer.data_size, PAGE_SIZE,
- true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, smu_buf);
+ true, AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
+ smu_buf);
if (ret) {
dev_err(adev->dev, "(%d) SMC Internal buffer allocation failed\n", ret);
diff --git a/drivers/gpu/drm/amd/amdgpu/fiji_smc.c b/drivers/gpu/drm/amd/amdgpu/fiji_smc.c
index 322edea65857..bda1249eb871 100644
--- a/drivers/gpu/drm/amd/amdgpu/fiji_smc.c
+++ b/drivers/gpu/drm/amd/amdgpu/fiji_smc.c
@@ -764,7 +764,7 @@ int fiji_smu_init(struct amdgpu_device *adev)
ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE,
true, AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, toc_buf);
+ NULL, NULL, toc_buf);
if (ret) {
DRM_ERROR("Failed to allocate memory for TOC buffer\n");
return -ENOMEM;
@@ -774,7 +774,7 @@ int fiji_smu_init(struct amdgpu_device *adev)
ret = amdgpu_bo_create(adev, smu_internal_buffer_size, PAGE_SIZE,
true, AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, smu_buf);
+ NULL, NULL, smu_buf);
if (ret) {
DRM_ERROR("Failed to allocate memory for SMU internal buffer\n");
return -ENOMEM;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 4bd1e5cf65ca..e992bf2ff66c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -3206,7 +3206,7 @@ static int gfx_v7_0_mec_init(struct amdgpu_device *adev)
r = amdgpu_bo_create(adev,
adev->gfx.mec.num_mec *adev->gfx.mec.num_pipe * MEC_HPD_SIZE * 2,
PAGE_SIZE, true,
- AMDGPU_GEM_DOMAIN_GTT, 0, NULL,
+ AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
&adev->gfx.mec.hpd_eop_obj);
if (r) {
dev_warn(adev->dev, "(%d) create HDP EOP bo failed\n", r);
@@ -3373,7 +3373,7 @@ static int gfx_v7_0_cp_compute_resume(struct amdgpu_device *adev)
r = amdgpu_bo_create(adev,
sizeof(struct bonaire_mqd),
PAGE_SIZE, true,
- AMDGPU_GEM_DOMAIN_GTT, 0, NULL,
+ AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
&ring->mqd_obj);
if (r) {
dev_warn(adev->dev, "(%d) create MQD bo failed\n", r);
@@ -3610,41 +3610,6 @@ static int gfx_v7_0_cp_resume(struct amdgpu_device *adev)
return 0;
}
-static void gfx_v7_0_ce_sync_me(struct amdgpu_ring *ring)
-{
- struct amdgpu_device *adev = ring->adev;
- u64 gpu_addr = adev->wb.gpu_addr + adev->gfx.ce_sync_offs * 4;
-
- /* instruct DE to set a magic number */
- amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
- amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
- WRITE_DATA_DST_SEL(5)));
- amdgpu_ring_write(ring, gpu_addr & 0xfffffffc);
- amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff);
- amdgpu_ring_write(ring, 1);
-
- /* let CE wait till condition satisfied */
- amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
- amdgpu_ring_write(ring, (WAIT_REG_MEM_OPERATION(0) | /* wait */
- WAIT_REG_MEM_MEM_SPACE(1) | /* memory */
- WAIT_REG_MEM_FUNCTION(3) | /* == */
- WAIT_REG_MEM_ENGINE(2))); /* ce */
- amdgpu_ring_write(ring, gpu_addr & 0xfffffffc);
- amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff);
- amdgpu_ring_write(ring, 1);
- amdgpu_ring_write(ring, 0xffffffff);
- amdgpu_ring_write(ring, 4); /* poll interval */
-
- /* instruct CE to reset wb of ce_sync to zero */
- amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
- amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(2) |
- WRITE_DATA_DST_SEL(5) |
- WR_CONFIRM));
- amdgpu_ring_write(ring, gpu_addr & 0xfffffffc);
- amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff);
- amdgpu_ring_write(ring, 0);
-}
-
/*
* vm
* VMID 0 is the physical GPU addresses as used by the kernel.
@@ -3663,6 +3628,13 @@ static void gfx_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
unsigned vm_id, uint64_t pd_addr)
{
int usepfp = (ring->type == AMDGPU_RING_TYPE_GFX);
+ if (usepfp) {
+ /* synce CE with ME to prevent CE fetch CEIB before context switch done */
+ amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+ amdgpu_ring_write(ring, 0);
+ amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+ amdgpu_ring_write(ring, 0);
+ }
amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) |
@@ -3703,7 +3675,10 @@ static void gfx_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, 0x0);
/* synce CE with ME to prevent CE fetch CEIB before context switch done */
- gfx_v7_0_ce_sync_me(ring);
+ amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+ amdgpu_ring_write(ring, 0);
+ amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+ amdgpu_ring_write(ring, 0);
}
}
@@ -3788,7 +3763,8 @@ static int gfx_v7_0_rlc_init(struct amdgpu_device *adev)
r = amdgpu_bo_create(adev, dws * 4, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, &adev->gfx.rlc.save_restore_obj);
+ NULL, NULL,
+ &adev->gfx.rlc.save_restore_obj);
if (r) {
dev_warn(adev->dev, "(%d) create RLC sr bo failed\n", r);
return r;
@@ -3831,7 +3807,8 @@ static int gfx_v7_0_rlc_init(struct amdgpu_device *adev)
r = amdgpu_bo_create(adev, dws * 4, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, &adev->gfx.rlc.clear_state_obj);
+ NULL, NULL,
+ &adev->gfx.rlc.clear_state_obj);
if (r) {
dev_warn(adev->dev, "(%d) create RLC c bo failed\n", r);
gfx_v7_0_rlc_fini(adev);
@@ -3870,7 +3847,8 @@ static int gfx_v7_0_rlc_init(struct amdgpu_device *adev)
r = amdgpu_bo_create(adev, adev->gfx.rlc.cp_table_size, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, &adev->gfx.rlc.cp_table_obj);
+ NULL, NULL,
+ &adev->gfx.rlc.cp_table_obj);
if (r) {
dev_warn(adev->dev, "(%d) create RLC cp table bo failed\n", r);
gfx_v7_0_rlc_fini(adev);
@@ -4802,12 +4780,6 @@ static int gfx_v7_0_sw_init(void *handle)
return r;
}
- r = amdgpu_wb_get(adev, &adev->gfx.ce_sync_offs);
- if (r) {
- DRM_ERROR("(%d) gfx.ce_sync_offs wb alloc failed\n", r);
- return r;
- }
-
for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
ring = &adev->gfx.gfx_ring[i];
ring->ring_obj = NULL;
@@ -4851,21 +4823,21 @@ static int gfx_v7_0_sw_init(void *handle)
r = amdgpu_bo_create(adev, adev->gds.mem.gfx_partition_size,
PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_GDS, 0,
- NULL, &adev->gds.gds_gfx_bo);
+ NULL, NULL, &adev->gds.gds_gfx_bo);
if (r)
return r;
r = amdgpu_bo_create(adev, adev->gds.gws.gfx_partition_size,
PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_GWS, 0,
- NULL, &adev->gds.gws_gfx_bo);
+ NULL, NULL, &adev->gds.gws_gfx_bo);
if (r)
return r;
r = amdgpu_bo_create(adev, adev->gds.oa.gfx_partition_size,
PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_OA, 0,
- NULL, &adev->gds.oa_gfx_bo);
+ NULL, NULL, &adev->gds.oa_gfx_bo);
if (r)
return r;
@@ -4886,8 +4858,6 @@ static int gfx_v7_0_sw_fini(void *handle)
for (i = 0; i < adev->gfx.num_compute_rings; i++)
amdgpu_ring_fini(&adev->gfx.compute_ring[i]);
- amdgpu_wb_free(adev, adev->gfx.ce_sync_offs);
-
gfx_v7_0_cp_compute_fini(adev);
gfx_v7_0_rlc_fini(adev);
gfx_v7_0_mec_fini(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 53f07439a512..cb4f68f53f24 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -868,7 +868,7 @@ static int gfx_v8_0_mec_init(struct amdgpu_device *adev)
r = amdgpu_bo_create(adev,
adev->gfx.mec.num_mec *adev->gfx.mec.num_pipe * MEC_HPD_SIZE * 2,
PAGE_SIZE, true,
- AMDGPU_GEM_DOMAIN_GTT, 0, NULL,
+ AMDGPU_GEM_DOMAIN_GTT, 0, NULL, NULL,
&adev->gfx.mec.hpd_eop_obj);
if (r) {
dev_warn(adev->dev, "(%d) create HDP EOP bo failed\n", r);
@@ -940,12 +940,6 @@ static int gfx_v8_0_sw_init(void *handle)
return r;
}
- r = amdgpu_wb_get(adev, &adev->gfx.ce_sync_offs);
- if (r) {
- DRM_ERROR("(%d) gfx.ce_sync_offs wb alloc failed\n", r);
- return r;
- }
-
/* set up the gfx ring */
for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
ring = &adev->gfx.gfx_ring[i];
@@ -995,21 +989,21 @@ static int gfx_v8_0_sw_init(void *handle)
/* reserve GDS, GWS and OA resource for gfx */
r = amdgpu_bo_create(adev, adev->gds.mem.gfx_partition_size,
PAGE_SIZE, true,
- AMDGPU_GEM_DOMAIN_GDS, 0,
+ AMDGPU_GEM_DOMAIN_GDS, 0, NULL,
NULL, &adev->gds.gds_gfx_bo);
if (r)
return r;
r = amdgpu_bo_create(adev, adev->gds.gws.gfx_partition_size,
PAGE_SIZE, true,
- AMDGPU_GEM_DOMAIN_GWS, 0,
+ AMDGPU_GEM_DOMAIN_GWS, 0, NULL,
NULL, &adev->gds.gws_gfx_bo);
if (r)
return r;
r = amdgpu_bo_create(adev, adev->gds.oa.gfx_partition_size,
PAGE_SIZE, true,
- AMDGPU_GEM_DOMAIN_OA, 0,
+ AMDGPU_GEM_DOMAIN_OA, 0, NULL,
NULL, &adev->gds.oa_gfx_bo);
if (r)
return r;
@@ -1033,8 +1027,6 @@ static int gfx_v8_0_sw_fini(void *handle)
for (i = 0; i < adev->gfx.num_compute_rings; i++)
amdgpu_ring_fini(&adev->gfx.compute_ring[i]);
- amdgpu_wb_free(adev, adev->gfx.ce_sync_offs);
-
gfx_v8_0_mec_fini(adev);
return 0;
@@ -3106,7 +3098,7 @@ static int gfx_v8_0_cp_compute_resume(struct amdgpu_device *adev)
sizeof(struct vi_mqd),
PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_GTT, 0, NULL,
- &ring->mqd_obj);
+ NULL, &ring->mqd_obj);
if (r) {
dev_warn(adev->dev, "(%d) create MQD bo failed\n", r);
return r;
@@ -3965,6 +3957,7 @@ static void gfx_v8_0_ring_emit_fence_gfx(struct amdgpu_ring *ring, u64 addr,
DATA_SEL(write64bit ? 2 : 1) | INT_SEL(int_sel ? 2 : 0));
amdgpu_ring_write(ring, lower_32_bits(seq));
amdgpu_ring_write(ring, upper_32_bits(seq));
+
}
/**
@@ -4005,49 +3998,34 @@ static bool gfx_v8_0_ring_emit_semaphore(struct amdgpu_ring *ring,
return true;
}
-static void gfx_v8_0_ce_sync_me(struct amdgpu_ring *ring)
+static void gfx_v8_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
+ unsigned vm_id, uint64_t pd_addr)
{
- struct amdgpu_device *adev = ring->adev;
- u64 gpu_addr = adev->wb.gpu_addr + adev->gfx.ce_sync_offs * 4;
-
- /* instruct DE to set a magic number */
- amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
- amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
- WRITE_DATA_DST_SEL(5)));
- amdgpu_ring_write(ring, gpu_addr & 0xfffffffc);
- amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff);
- amdgpu_ring_write(ring, 1);
+ int usepfp = (ring->type == AMDGPU_RING_TYPE_GFX);
+ uint32_t seq = ring->fence_drv.sync_seq[ring->idx];
+ uint64_t addr = ring->fence_drv.gpu_addr;
- /* let CE wait till condition satisfied */
amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
- amdgpu_ring_write(ring, (WAIT_REG_MEM_OPERATION(0) | /* wait */
- WAIT_REG_MEM_MEM_SPACE(1) | /* memory */
- WAIT_REG_MEM_FUNCTION(3) | /* == */
- WAIT_REG_MEM_ENGINE(2))); /* ce */
- amdgpu_ring_write(ring, gpu_addr & 0xfffffffc);
- amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff);
- amdgpu_ring_write(ring, 1);
+ amdgpu_ring_write(ring, (WAIT_REG_MEM_MEM_SPACE(1) | /* memory */
+ WAIT_REG_MEM_FUNCTION(3))); /* equal */
+ amdgpu_ring_write(ring, addr & 0xfffffffc);
+ amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
+ amdgpu_ring_write(ring, seq);
amdgpu_ring_write(ring, 0xffffffff);
amdgpu_ring_write(ring, 4); /* poll interval */
- /* instruct CE to reset wb of ce_sync to zero */
- amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
- amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(2) |
- WRITE_DATA_DST_SEL(5) |
- WR_CONFIRM));
- amdgpu_ring_write(ring, gpu_addr & 0xfffffffc);
- amdgpu_ring_write(ring, upper_32_bits(gpu_addr) & 0xffffffff);
- amdgpu_ring_write(ring, 0);
-}
-
-static void gfx_v8_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
- unsigned vm_id, uint64_t pd_addr)
-{
- int usepfp = (ring->type == AMDGPU_RING_TYPE_GFX);
+ if (usepfp) {
+ /* synce CE with ME to prevent CE fetch CEIB before context switch done */
+ amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+ amdgpu_ring_write(ring, 0);
+ amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+ amdgpu_ring_write(ring, 0);
+ }
amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) |
- WRITE_DATA_DST_SEL(0)));
+ WRITE_DATA_DST_SEL(0)) |
+ WR_CONFIRM);
if (vm_id < 8) {
amdgpu_ring_write(ring,
(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vm_id));
@@ -4083,9 +4061,10 @@ static void gfx_v8_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
/* sync PFP to ME, otherwise we might get invalid PFP reads */
amdgpu_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
amdgpu_ring_write(ring, 0x0);
-
- /* synce CE with ME to prevent CE fetch CEIB before context switch done */
- gfx_v8_0_ce_sync_me(ring);
+ amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+ amdgpu_ring_write(ring, 0);
+ amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
+ amdgpu_ring_write(ring, 0);
}
}
diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
index c900aa942ade..966d4b2ed9da 100644
--- a/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
+++ b/drivers/gpu/drm/amd/amdgpu/iceland_smc.c
@@ -625,7 +625,7 @@ int iceland_smu_init(struct amdgpu_device *adev)
ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE,
true, AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, toc_buf);
+ NULL, NULL, toc_buf);
if (ret) {
DRM_ERROR("Failed to allocate memory for TOC buffer\n");
return -ENOMEM;
diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_smc.c b/drivers/gpu/drm/amd/amdgpu/tonga_smc.c
index 1f5ac941a610..5421309c1862 100644
--- a/drivers/gpu/drm/amd/amdgpu/tonga_smc.c
+++ b/drivers/gpu/drm/amd/amdgpu/tonga_smc.c
@@ -763,7 +763,7 @@ int tonga_smu_init(struct amdgpu_device *adev)
ret = amdgpu_bo_create(adev, image_size, PAGE_SIZE,
true, AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, toc_buf);
+ NULL, NULL, toc_buf);
if (ret) {
DRM_ERROR("Failed to allocate memory for TOC buffer\n");
return -ENOMEM;
@@ -773,7 +773,7 @@ int tonga_smu_init(struct amdgpu_device *adev)
ret = amdgpu_bo_create(adev, smu_internal_buffer_size, PAGE_SIZE,
true, AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
- NULL, smu_buf);
+ NULL, NULL, smu_buf);
if (ret) {
DRM_ERROR("Failed to allocate memory for SMU internal buffer\n");
return -ENOMEM;
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
index 5fac5da694f0..ed50dd725788 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -224,11 +224,11 @@ static int uvd_v4_2_suspend(void *handle)
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- r = uvd_v4_2_hw_fini(adev);
+ r = amdgpu_uvd_suspend(adev);
if (r)
return r;
- r = amdgpu_uvd_suspend(adev);
+ r = uvd_v4_2_hw_fini(adev);
if (r)
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
index 2d5c59c318af..9ad8b9906c0b 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
@@ -220,11 +220,11 @@ static int uvd_v5_0_suspend(void *handle)
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- r = uvd_v5_0_hw_fini(adev);
+ r = amdgpu_uvd_suspend(adev);
if (r)
return r;
- r = amdgpu_uvd_suspend(adev);
+ r = uvd_v5_0_hw_fini(adev);
if (r)
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index d9f553fce531..7e9934fa4193 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -214,14 +214,16 @@ static int uvd_v6_0_suspend(void *handle)
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ /* Skip this for APU for now */
+ if (!(adev->flags & AMD_IS_APU)) {
+ r = amdgpu_uvd_suspend(adev);
+ if (r)
+ return r;
+ }
r = uvd_v6_0_hw_fini(adev);
if (r)
return r;
- r = amdgpu_uvd_suspend(adev);
- if (r)
- return r;
-
return r;
}
@@ -230,10 +232,12 @@ static int uvd_v6_0_resume(void *handle)
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- r = amdgpu_uvd_resume(adev);
- if (r)
- return r;
-
+ /* Skip this for APU for now */
+ if (!(adev->flags & AMD_IS_APU)) {
+ r = amdgpu_uvd_resume(adev);
+ if (r)
+ return r;
+ }
r = uvd_v6_0_hw_init(adev);
if (r)
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 552d9e75ad1b..b55ceb14fdcd 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -1400,7 +1400,8 @@ static int vi_common_early_init(void *handle)
case CHIP_CARRIZO:
adev->has_uvd = true;
adev->cg_flags = 0;
- adev->pg_flags = AMDGPU_PG_SUPPORT_UVD | AMDGPU_PG_SUPPORT_VCE;
+ /* Disable UVD pg */
+ adev->pg_flags = /* AMDGPU_PG_SUPPORT_UVD | */AMDGPU_PG_SUPPORT_VCE;
adev->external_rev_id = adev->rev_id + 0x1;
if (amdgpu_smc_load_fw && smc_enabled)
adev->firmware.smu_load = true;
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h
new file mode 100644
index 000000000000..144f50acc971
--- /dev/null
+++ b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h
@@ -0,0 +1,41 @@
+#if !defined(_GPU_SCHED_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _GPU_SCHED_TRACE_H_
+
+#include <linux/stringify.h>
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+
+#include <drm/drmP.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM gpu_sched
+#define TRACE_INCLUDE_FILE gpu_sched_trace
+
+TRACE_EVENT(amd_sched_job,
+ TP_PROTO(struct amd_sched_job *sched_job),
+ TP_ARGS(sched_job),
+ TP_STRUCT__entry(
+ __field(struct amd_sched_entity *, entity)
+ __field(const char *, name)
+ __field(u32, job_count)
+ __field(int, hw_job_count)
+ ),
+
+ TP_fast_assign(
+ __entry->entity = sched_job->s_entity;
+ __entry->name = sched_job->sched->name;
+ __entry->job_count = kfifo_len(
+ &sched_job->s_entity->job_queue) / sizeof(sched_job);
+ __entry->hw_job_count = atomic_read(
+ &sched_job->sched->hw_rq_count);
+ ),
+ TP_printk("entity=%p, ring=%s, job count:%u, hw job count:%d",
+ __entry->entity, __entry->name, __entry->job_count,
+ __entry->hw_job_count)
+);
+#endif
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#include <trace/define_trace.h>
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index 9259f1b6664c..3697eeeecf82 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -27,6 +27,9 @@
#include <drm/drmP.h>
#include "gpu_scheduler.h"
+#define CREATE_TRACE_POINTS
+#include "gpu_sched_trace.h"
+
static struct amd_sched_job *
amd_sched_entity_pop_job(struct amd_sched_entity *entity);
static void amd_sched_wakeup(struct amd_gpu_scheduler *sched);
@@ -65,29 +68,29 @@ static struct amd_sched_job *
amd_sched_rq_select_job(struct amd_sched_rq *rq)
{
struct amd_sched_entity *entity;
- struct amd_sched_job *job;
+ struct amd_sched_job *sched_job;
spin_lock(&rq->lock);
entity = rq->current_entity;
if (entity) {
list_for_each_entry_continue(entity, &rq->entities, list) {
- job = amd_sched_entity_pop_job(entity);
- if (job) {
+ sched_job = amd_sched_entity_pop_job(entity);
+ if (sched_job) {
rq->current_entity = entity;
spin_unlock(&rq->lock);
- return job;
+ return sched_job;
}
}
}
list_for_each_entry(entity, &rq->entities, list) {
- job = amd_sched_entity_pop_job(entity);
- if (job) {
+ sched_job = amd_sched_entity_pop_job(entity);
+ if (sched_job) {
rq->current_entity = entity;
spin_unlock(&rq->lock);
- return job;
+ return sched_job;
}
if (entity == rq->current_entity)
@@ -115,23 +118,27 @@ int amd_sched_entity_init(struct amd_gpu_scheduler *sched,
struct amd_sched_rq *rq,
uint32_t jobs)
{
+ int r;
+
if (!(sched && entity && rq))
return -EINVAL;
memset(entity, 0, sizeof(struct amd_sched_entity));
- entity->belongto_rq = rq;
- entity->scheduler = sched;
- entity->fence_context = fence_context_alloc(1);
- if(kfifo_alloc(&entity->job_queue,
- jobs * sizeof(void *),
- GFP_KERNEL))
- return -EINVAL;
+ INIT_LIST_HEAD(&entity->list);
+ entity->rq = rq;
+ entity->sched = sched;
spin_lock_init(&entity->queue_lock);
+ r = kfifo_alloc(&entity->job_queue, jobs * sizeof(void *), GFP_KERNEL);
+ if (r)
+ return r;
+
atomic_set(&entity->fence_seq, 0);
+ entity->fence_context = fence_context_alloc(1);
/* Add the entity to the run queue */
amd_sched_rq_add_entity(rq, entity);
+
return 0;
}
@@ -146,8 +153,8 @@ int amd_sched_entity_init(struct amd_gpu_scheduler *sched,
static bool amd_sched_entity_is_initialized(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *entity)
{
- return entity->scheduler == sched &&
- entity->belongto_rq != NULL;
+ return entity->sched == sched &&
+ entity->rq != NULL;
}
/**
@@ -177,7 +184,7 @@ static bool amd_sched_entity_is_idle(struct amd_sched_entity *entity)
void amd_sched_entity_fini(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *entity)
{
- struct amd_sched_rq *rq = entity->belongto_rq;
+ struct amd_sched_rq *rq = entity->rq;
if (!amd_sched_entity_is_initialized(sched, entity))
return;
@@ -198,22 +205,22 @@ static void amd_sched_entity_wakeup(struct fence *f, struct fence_cb *cb)
container_of(cb, struct amd_sched_entity, cb);
entity->dependency = NULL;
fence_put(f);
- amd_sched_wakeup(entity->scheduler);
+ amd_sched_wakeup(entity->sched);
}
static struct amd_sched_job *
amd_sched_entity_pop_job(struct amd_sched_entity *entity)
{
- struct amd_gpu_scheduler *sched = entity->scheduler;
- struct amd_sched_job *job;
+ struct amd_gpu_scheduler *sched = entity->sched;
+ struct amd_sched_job *sched_job;
if (ACCESS_ONCE(entity->dependency))
return NULL;
- if (!kfifo_out_peek(&entity->job_queue, &job, sizeof(job)))
+ if (!kfifo_out_peek(&entity->job_queue, &sched_job, sizeof(sched_job)))
return NULL;
- while ((entity->dependency = sched->ops->dependency(job))) {
+ while ((entity->dependency = sched->ops->dependency(sched_job))) {
if (fence_add_callback(entity->dependency, &entity->cb,
amd_sched_entity_wakeup))
@@ -222,32 +229,33 @@ amd_sched_entity_pop_job(struct amd_sched_entity *entity)
return NULL;
}
- return job;
+ return sched_job;
}
/**
* Helper to submit a job to the job queue
*
- * @job The pointer to job required to submit
+ * @sched_job The pointer to job required to submit
*
* Returns true if we could submit the job.
*/
-static bool amd_sched_entity_in(struct amd_sched_job *job)
+static bool amd_sched_entity_in(struct amd_sched_job *sched_job)
{
- struct amd_sched_entity *entity = job->s_entity;
+ struct amd_sched_entity *entity = sched_job->s_entity;
bool added, first = false;
spin_lock(&entity->queue_lock);
- added = kfifo_in(&entity->job_queue, &job, sizeof(job)) == sizeof(job);
+ added = kfifo_in(&entity->job_queue, &sched_job,
+ sizeof(sched_job)) == sizeof(sched_job);
- if (added && kfifo_len(&entity->job_queue) == sizeof(job))
+ if (added && kfifo_len(&entity->job_queue) == sizeof(sched_job))
first = true;
spin_unlock(&entity->queue_lock);
/* first job wakes up scheduler */
if (first)
- amd_sched_wakeup(job->sched);
+ amd_sched_wakeup(sched_job->sched);
return added;
}
@@ -255,7 +263,7 @@ static bool amd_sched_entity_in(struct amd_sched_job *job)
/**
* Submit a job to the job queue
*
- * @job The pointer to job required to submit
+ * @sched_job The pointer to job required to submit
*
* Returns 0 for success, negative error code otherwise.
*/
@@ -271,9 +279,9 @@ int amd_sched_entity_push_job(struct amd_sched_job *sched_job)
fence_get(&fence->base);
sched_job->s_fence = fence;
- wait_event(entity->scheduler->job_scheduled,
+ wait_event(entity->sched->job_scheduled,
amd_sched_entity_in(sched_job));
-
+ trace_amd_sched_job(sched_job);
return 0;
}
@@ -301,30 +309,28 @@ static void amd_sched_wakeup(struct amd_gpu_scheduler *sched)
static struct amd_sched_job *
amd_sched_select_job(struct amd_gpu_scheduler *sched)
{
- struct amd_sched_job *job;
+ struct amd_sched_job *sched_job;
if (!amd_sched_ready(sched))
return NULL;
/* Kernel run queue has higher priority than normal run queue*/
- job = amd_sched_rq_select_job(&sched->kernel_rq);
- if (job == NULL)
- job = amd_sched_rq_select_job(&sched->sched_rq);
+ sched_job = amd_sched_rq_select_job(&sched->kernel_rq);
+ if (sched_job == NULL)
+ sched_job = amd_sched_rq_select_job(&sched->sched_rq);
- return job;
+ return sched_job;
}
static void amd_sched_process_job(struct fence *f, struct fence_cb *cb)
{
- struct amd_sched_job *sched_job =
- container_of(cb, struct amd_sched_job, cb);
- struct amd_gpu_scheduler *sched;
+ struct amd_sched_fence *s_fence =
+ container_of(cb, struct amd_sched_fence, cb);
+ struct amd_gpu_scheduler *sched = s_fence->sched;
- sched = sched_job->sched;
- amd_sched_fence_signal(sched_job->s_fence);
atomic_dec(&sched->hw_rq_count);
- fence_put(&sched_job->s_fence->base);
- sched->ops->process_job(sched_job);
+ amd_sched_fence_signal(s_fence);
+ fence_put(&s_fence->base);
wake_up_interruptible(&sched->wake_up_worker);
}
@@ -338,87 +344,82 @@ static int amd_sched_main(void *param)
while (!kthread_should_stop()) {
struct amd_sched_entity *entity;
- struct amd_sched_job *job;
+ struct amd_sched_fence *s_fence;
+ struct amd_sched_job *sched_job;
struct fence *fence;
wait_event_interruptible(sched->wake_up_worker,
kthread_should_stop() ||
- (job = amd_sched_select_job(sched)));
+ (sched_job = amd_sched_select_job(sched)));
- if (!job)
+ if (!sched_job)
continue;
- entity = job->s_entity;
+ entity = sched_job->s_entity;
+ s_fence = sched_job->s_fence;
atomic_inc(&sched->hw_rq_count);
- fence = sched->ops->run_job(job);
+ fence = sched->ops->run_job(sched_job);
if (fence) {
- r = fence_add_callback(fence, &job->cb,
+ r = fence_add_callback(fence, &s_fence->cb,
amd_sched_process_job);
if (r == -ENOENT)
- amd_sched_process_job(fence, &job->cb);
+ amd_sched_process_job(fence, &s_fence->cb);
else if (r)
DRM_ERROR("fence add callback failed (%d)\n", r);
fence_put(fence);
+ } else {
+ DRM_ERROR("Failed to run job!\n");
+ amd_sched_process_job(NULL, &s_fence->cb);
}
- count = kfifo_out(&entity->job_queue, &job, sizeof(job));
- WARN_ON(count != sizeof(job));
+ count = kfifo_out(&entity->job_queue, &sched_job,
+ sizeof(sched_job));
+ WARN_ON(count != sizeof(sched_job));
wake_up(&sched->job_scheduled);
}
return 0;
}
/**
- * Create a gpu scheduler
+ * Init a gpu scheduler instance
*
+ * @sched The pointer to the scheduler
* @ops The backend operations for this scheduler.
- * @ring The the ring id for the scheduler.
* @hw_submissions Number of hw submissions to do.
+ * @name Name used for debugging
*
- * Return the pointer to scheduler for success, otherwise return NULL
+ * Return 0 on success, otherwise error code.
*/
-struct amd_gpu_scheduler *amd_sched_create(struct amd_sched_backend_ops *ops,
- unsigned ring, unsigned hw_submission,
- void *priv)
+int amd_sched_init(struct amd_gpu_scheduler *sched,
+ struct amd_sched_backend_ops *ops,
+ unsigned hw_submission, const char *name)
{
- struct amd_gpu_scheduler *sched;
-
- sched = kzalloc(sizeof(struct amd_gpu_scheduler), GFP_KERNEL);
- if (!sched)
- return NULL;
-
sched->ops = ops;
- sched->ring_id = ring;
sched->hw_submission_limit = hw_submission;
- sched->priv = priv;
- snprintf(sched->name, sizeof(sched->name), "amdgpu[%d]", ring);
+ sched->name = name;
amd_sched_rq_init(&sched->sched_rq);
amd_sched_rq_init(&sched->kernel_rq);
init_waitqueue_head(&sched->wake_up_worker);
init_waitqueue_head(&sched->job_scheduled);
atomic_set(&sched->hw_rq_count, 0);
+
/* Each scheduler will run on a seperate kernel thread */
sched->thread = kthread_run(amd_sched_main, sched, sched->name);
if (IS_ERR(sched->thread)) {
- DRM_ERROR("Failed to create scheduler for id %d.\n", ring);
- kfree(sched);
- return NULL;
+ DRM_ERROR("Failed to create scheduler for %s.\n", name);
+ return PTR_ERR(sched->thread);
}
- return sched;
+ return 0;
}
/**
* Destroy a gpu scheduler
*
* @sched The pointer to the scheduler
- *
- * return 0 if succeed. -1 if failed.
*/
-int amd_sched_destroy(struct amd_gpu_scheduler *sched)
+void amd_sched_fini(struct amd_gpu_scheduler *sched)
{
kthread_stop(sched->thread);
- kfree(sched);
- return 0;
}
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
index 2af0e4d4d817..80b64dc22214 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
@@ -38,13 +38,15 @@ struct amd_sched_rq;
*/
struct amd_sched_entity {
struct list_head list;
- struct amd_sched_rq *belongto_rq;
- atomic_t fence_seq;
- /* the job_queue maintains the jobs submitted by clients */
- struct kfifo job_queue;
+ struct amd_sched_rq *rq;
+ struct amd_gpu_scheduler *sched;
+
spinlock_t queue_lock;
- struct amd_gpu_scheduler *scheduler;
+ struct kfifo job_queue;
+
+ atomic_t fence_seq;
uint64_t fence_context;
+
struct fence *dependency;
struct fence_cb cb;
};
@@ -62,13 +64,13 @@ struct amd_sched_rq {
struct amd_sched_fence {
struct fence base;
- struct amd_gpu_scheduler *scheduler;
+ struct fence_cb cb;
+ struct amd_gpu_scheduler *sched;
spinlock_t lock;
void *owner;
};
struct amd_sched_job {
- struct fence_cb cb;
struct amd_gpu_scheduler *sched;
struct amd_sched_entity *s_entity;
struct amd_sched_fence *s_fence;
@@ -91,32 +93,29 @@ static inline struct amd_sched_fence *to_amd_sched_fence(struct fence *f)
* these functions should be implemented in driver side
*/
struct amd_sched_backend_ops {
- struct fence *(*dependency)(struct amd_sched_job *job);
- struct fence *(*run_job)(struct amd_sched_job *job);
- void (*process_job)(struct amd_sched_job *job);
+ struct fence *(*dependency)(struct amd_sched_job *sched_job);
+ struct fence *(*run_job)(struct amd_sched_job *sched_job);
};
/**
* One scheduler is implemented for each hardware ring
*/
struct amd_gpu_scheduler {
- struct task_struct *thread;
+ struct amd_sched_backend_ops *ops;
+ uint32_t hw_submission_limit;
+ const char *name;
struct amd_sched_rq sched_rq;
struct amd_sched_rq kernel_rq;
- atomic_t hw_rq_count;
- struct amd_sched_backend_ops *ops;
- uint32_t ring_id;
wait_queue_head_t wake_up_worker;
wait_queue_head_t job_scheduled;
- uint32_t hw_submission_limit;
- char name[20];
- void *priv;
+ atomic_t hw_rq_count;
+ struct task_struct *thread;
};
-struct amd_gpu_scheduler *
-amd_sched_create(struct amd_sched_backend_ops *ops,
- uint32_t ring, uint32_t hw_submission, void *priv);
-int amd_sched_destroy(struct amd_gpu_scheduler *sched);
+int amd_sched_init(struct amd_gpu_scheduler *sched,
+ struct amd_sched_backend_ops *ops,
+ uint32_t hw_submission, const char *name);
+void amd_sched_fini(struct amd_gpu_scheduler *sched);
int amd_sched_entity_init(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *entity,
diff --git a/drivers/gpu/drm/amd/scheduler/sched_fence.c b/drivers/gpu/drm/amd/scheduler/sched_fence.c
index e62c37920e11..d802638094f4 100644
--- a/drivers/gpu/drm/amd/scheduler/sched_fence.c
+++ b/drivers/gpu/drm/amd/scheduler/sched_fence.c
@@ -36,7 +36,7 @@ struct amd_sched_fence *amd_sched_fence_create(struct amd_sched_entity *s_entity
if (fence == NULL)
return NULL;
fence->owner = owner;
- fence->scheduler = s_entity->scheduler;
+ fence->sched = s_entity->sched;
spin_lock_init(&fence->lock);
seq = atomic_inc_return(&s_entity->fence_seq);
@@ -63,7 +63,7 @@ static const char *amd_sched_fence_get_driver_name(struct fence *fence)
static const char *amd_sched_fence_get_timeline_name(struct fence *f)
{
struct amd_sched_fence *fence = to_amd_sched_fence(f);
- return (const char *)fence->scheduler->name;
+ return (const char *)fence->sched->name;
}
static bool amd_sched_fence_enable_signaling(struct fence *f)
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 9a860ca1e9d7..d93e7378c077 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -520,7 +520,8 @@ EXPORT_SYMBOL(drm_ioctl_permit);
/** Ioctl table */
static const struct drm_ioctl_desc drm_ioctls[] = {
- DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version,
+ DRM_UNLOCKED|DRM_RENDER_ALLOW|DRM_CONTROL_ALLOW),
DRM_IOCTL_DEF(DRM_IOCTL_GET_UNIQUE, drm_getunique, 0),
DRM_IOCTL_DEF(DRM_IOCTL_GET_MAGIC, drm_getmagic, 0),
DRM_IOCTL_DEF(DRM_IOCTL_IRQ_BUSID, drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY),
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
index 82be6b86a168..d1e300dcd544 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c
@@ -58,7 +58,8 @@ static void fsl_dcu_drm_plane_atomic_disable(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct fsl_dcu_drm_device *fsl_dev = plane->dev->dev_private;
- unsigned int index, value, ret;
+ unsigned int value;
+ int index, ret;
index = fsl_dcu_drm_plane_index(plane);
if (index < 0)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 5a244ab9395b..39d73dbc1c47 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -640,6 +640,32 @@ static int __intel_get_crtc_scanline(struct intel_crtc *crtc)
position = __raw_i915_read32(dev_priv, PIPEDSL(pipe)) & DSL_LINEMASK_GEN3;
/*
+ * On HSW, the DSL reg (0x70000) appears to return 0 if we
+ * read it just before the start of vblank. So try it again
+ * so we don't accidentally end up spanning a vblank frame
+ * increment, causing the pipe_update_end() code to squak at us.
+ *
+ * The nature of this problem means we can't simply check the ISR
+ * bit and return the vblank start value; nor can we use the scanline
+ * debug register in the transcoder as it appears to have the same
+ * problem. We may need to extend this to include other platforms,
+ * but so far testing only shows the problem on HSW.
+ */
+ if (IS_HASWELL(dev) && !position) {
+ int i, temp;
+
+ for (i = 0; i < 100; i++) {
+ udelay(1);
+ temp = __raw_i915_read32(dev_priv, PIPEDSL(pipe)) &
+ DSL_LINEMASK_GEN3;
+ if (temp != position) {
+ position = temp;
+ break;
+ }
+ }
+ }
+
+ /*
* See update_scanline_offset() for the details on the
* scanline_offset adjustment.
*/
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 89c1a8ce1f98..2a5c76faf9f8 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -430,7 +430,7 @@ void intel_audio_codec_enable(struct intel_encoder *intel_encoder)
/**
* intel_audio_codec_disable - Disable the audio codec for HD audio
- * @encoder: encoder on which to disable audio
+ * @intel_encoder: encoder on which to disable audio
*
* The disable sequences must be performed before disabling the transcoder or
* port.
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index b3e437b3bb54..c19e669ffe50 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -42,7 +42,7 @@ find_section(const void *_bdb, int section_id)
const struct bdb_header *bdb = _bdb;
const u8 *base = _bdb;
int index = 0;
- u16 total, current_size;
+ u32 total, current_size;
u8 current_id;
/* skip to first section */
@@ -57,6 +57,10 @@ find_section(const void *_bdb, int section_id)
current_size = *((const u16 *)(base + index));
index += 2;
+ /* The MIPI Sequence Block v3+ has a separate size field. */
+ if (current_id == BDB_MIPI_SEQUENCE && *(base + index) >= 3)
+ current_size = *((const u32 *)(base + index + 1));
+
if (index + current_size > total)
return NULL;
@@ -799,6 +803,12 @@ parse_mipi(struct drm_i915_private *dev_priv, const struct bdb_header *bdb)
return;
}
+ /* Fail gracefully for forward incompatible sequence block. */
+ if (sequence->version >= 3) {
+ DRM_ERROR("Unable to parse MIPI Sequence Block v3+\n");
+ return;
+ }
+
DRM_DEBUG_DRIVER("Found MIPI sequence block\n");
block_size = get_blocksize(sequence);
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 8cc9264f7809..cf418be7d30a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -15087,9 +15087,12 @@ static void readout_plane_state(struct intel_crtc *crtc,
plane_state = to_intel_plane_state(p->base.state);
- if (p->base.type == DRM_PLANE_TYPE_PRIMARY)
+ if (p->base.type == DRM_PLANE_TYPE_PRIMARY) {
plane_state->visible = primary_get_hw_state(crtc);
- else {
+ if (plane_state->visible)
+ crtc->base.state->plane_mask |=
+ 1 << drm_plane_index(&p->base);
+ } else {
if (active)
p->disable_plane(&p->base, &crtc->base);
diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
index 87de15ea1f93..b35b5b2db4ec 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -186,17 +186,19 @@ static int mgag200fb_create(struct drm_fb_helper *helper,
sysram = vmalloc(size);
if (!sysram)
- return -ENOMEM;
+ goto err_sysram;
info = drm_fb_helper_alloc_fbi(helper);
- if (IS_ERR(info))
- return PTR_ERR(info);
+ if (IS_ERR(info)) {
+ ret = PTR_ERR(info);
+ goto err_alloc_fbi;
+ }
info->par = mfbdev;
ret = mgag200_framebuffer_init(dev, &mfbdev->mfb, &mode_cmd, gobj);
if (ret)
- return ret;
+ goto err_framebuffer_init;
mfbdev->sysram = sysram;
mfbdev->size = size;
@@ -225,7 +227,17 @@ static int mgag200fb_create(struct drm_fb_helper *helper,
DRM_DEBUG_KMS("allocated %dx%d\n",
fb->width, fb->height);
+
return 0;
+
+err_framebuffer_init:
+ drm_fb_helper_release_fbi(helper);
+err_alloc_fbi:
+ vfree(sysram);
+err_sysram:
+ drm_gem_object_unreference_unlocked(gobj);
+
+ return ret;
}
static int mga_fbdev_destroy(struct drm_device *dev,
@@ -276,23 +288,26 @@ int mgag200_fbdev_init(struct mga_device *mdev)
ret = drm_fb_helper_init(mdev->dev, &mfbdev->helper,
mdev->num_crtc, MGAG200FB_CONN_LIMIT);
if (ret)
- return ret;
+ goto err_fb_helper;
ret = drm_fb_helper_single_add_all_connectors(&mfbdev->helper);
if (ret)
- goto fini;
+ goto err_fb_setup;
/* disable all the possible outputs/crtcs before entering KMS mode */
drm_helper_disable_unused_functions(mdev->dev);
ret = drm_fb_helper_initial_config(&mfbdev->helper, bpp_sel);
if (ret)
- goto fini;
+ goto err_fb_setup;
return 0;
-fini:
+err_fb_setup:
drm_fb_helper_fini(&mfbdev->helper);
+err_fb_helper:
+ mdev->mfbdev = NULL;
+
return ret;
}
diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
index de06388069e7..b1a0f5656175 100644
--- a/drivers/gpu/drm/mgag200/mgag200_main.c
+++ b/drivers/gpu/drm/mgag200/mgag200_main.c
@@ -220,7 +220,7 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
}
r = mgag200_mm_init(mdev);
if (r)
- goto out;
+ goto err_mm;
drm_mode_config_init(dev);
dev->mode_config.funcs = (void *)&mga_mode_funcs;
@@ -233,7 +233,7 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
r = mgag200_modeset_init(mdev);
if (r) {
dev_err(&dev->pdev->dev, "Fatal error during modeset init: %d\n", r);
- goto out;
+ goto err_modeset;
}
/* Make small buffers to store a hardware cursor (double buffered icon updates) */
@@ -241,20 +241,24 @@ int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
&mdev->cursor.pixels_1);
mgag200_bo_create(dev, roundup(48*64, PAGE_SIZE), 0, 0,
&mdev->cursor.pixels_2);
- if (!mdev->cursor.pixels_2 || !mdev->cursor.pixels_1)
- goto cursor_nospace;
- mdev->cursor.pixels_current = mdev->cursor.pixels_1;
- mdev->cursor.pixels_prev = mdev->cursor.pixels_2;
- goto cursor_done;
- cursor_nospace:
- mdev->cursor.pixels_1 = NULL;
- mdev->cursor.pixels_2 = NULL;
- dev_warn(&dev->pdev->dev, "Could not allocate space for cursors. Not doing hardware cursors.\n");
- cursor_done:
-
-out:
- if (r)
- mgag200_driver_unload(dev);
+ if (!mdev->cursor.pixels_2 || !mdev->cursor.pixels_1) {
+ mdev->cursor.pixels_1 = NULL;
+ mdev->cursor.pixels_2 = NULL;
+ dev_warn(&dev->pdev->dev,
+ "Could not allocate space for cursors. Not doing hardware cursors.\n");
+ } else {
+ mdev->cursor.pixels_current = mdev->cursor.pixels_1;
+ mdev->cursor.pixels_prev = mdev->cursor.pixels_2;
+ }
+
+ return 0;
+
+err_modeset:
+ drm_mode_config_cleanup(dev);
+ mgag200_mm_fini(mdev);
+err_mm:
+ dev->dev_private = NULL;
+
return r;
}
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 7c6225c84ba6..dd845f82cc24 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -886,13 +886,15 @@ static enum drm_connector_status qxl_conn_detect(
drm_connector_to_qxl_output(connector);
struct drm_device *ddev = connector->dev;
struct qxl_device *qdev = ddev->dev_private;
- int connected;
+ bool connected = false;
/* The first monitor is always connected */
- connected = (output->index == 0) ||
- (qdev->client_monitors_config &&
- qdev->client_monitors_config->count > output->index &&
- qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]));
+ if (!qdev->client_monitors_config) {
+ if (output->index == 0)
+ connected = true;
+ } else
+ connected = qdev->client_monitors_config->count > output->index &&
+ qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]);
DRM_DEBUG("#%d connected: %d\n", output->index, connected);
if (!connected)
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index d8319dae8358..f3f562f6d848 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1573,10 +1573,12 @@ int radeon_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon)
drm_kms_helper_poll_disable(dev);
+ drm_modeset_lock_all(dev);
/* turn off display hw */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
}
+ drm_modeset_unlock_all(dev);
/* unpin the front buffers and cursors */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
@@ -1734,9 +1736,11 @@ int radeon_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
if (fbcon) {
drm_helper_resume_force_mode(dev);
/* turn on display hw */
+ drm_modeset_lock_all(dev);
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
}
+ drm_modeset_unlock_all(dev);
}
drm_kms_helper_poll_enable(dev);
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 787cd8fd897f..e9115d3f67b0 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2927,6 +2927,7 @@ static struct si_dpm_quirk si_dpm_quirk_list[] = {
{ PCI_VENDOR_ID_ATI, 0x6810, 0x1462, 0x3036, 0, 120000 },
{ PCI_VENDOR_ID_ATI, 0x6811, 0x174b, 0xe271, 0, 120000 },
{ PCI_VENDOR_ID_ATI, 0x6810, 0x174b, 0xe271, 85000, 90000 },
+ { PCI_VENDOR_ID_ATI, 0x6811, 0x1762, 0x2015, 0, 120000 },
{ 0, 0, 0, 0 },
};
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 8d9b7de25613..745e996d2dbc 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -882,6 +882,8 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
if (ret)
return ret;
man = &bdev->man[mem_type];
+ if (!man->has_type || !man->use_type)
+ continue;
type_ok = ttm_bo_mt_compatible(man, mem_type, place,
&cur_flags);
@@ -889,6 +891,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
if (!type_ok)
continue;
+ type_found = true;
cur_flags = ttm_bo_select_caching(man, bo->mem.placement,
cur_flags);
/*
@@ -901,12 +904,10 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
if (mem_type == TTM_PL_SYSTEM)
break;
- if (man->has_type && man->use_type) {
- type_found = true;
- ret = (*man->func->get_node)(man, bo, place, mem);
- if (unlikely(ret))
- return ret;
- }
+ ret = (*man->func->get_node)(man, bo, place, mem);
+ if (unlikely(ret))
+ return ret;
+
if (mem->mm_node)
break;
}
@@ -917,9 +918,6 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
return 0;
}
- if (!type_found)
- return -EINVAL;
-
for (i = 0; i < placement->num_busy_placement; ++i) {
const struct ttm_place *place = &placement->busy_placement[i];
@@ -927,11 +925,12 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
if (ret)
return ret;
man = &bdev->man[mem_type];
- if (!man->has_type)
+ if (!man->has_type || !man->use_type)
continue;
if (!ttm_bo_mt_compatible(man, mem_type, place, &cur_flags))
continue;
+ type_found = true;
cur_flags = ttm_bo_select_caching(man, bo->mem.placement,
cur_flags);
/*
@@ -957,8 +956,13 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
if (ret == -ERESTARTSYS)
has_erestartsys = true;
}
- ret = (has_erestartsys) ? -ERESTARTSYS : -ENOMEM;
- return ret;
+
+ if (!type_found) {
+ printk(KERN_ERR TTM_PFX "No compatible memory type found.\n");
+ return -EINVAL;
+ }
+
+ return (has_erestartsys) ? -ERESTARTSYS : -ENOMEM;
}
EXPORT_SYMBOL(ttm_bo_mem_space);
diff --git a/drivers/gpu/drm/vmwgfx/Kconfig b/drivers/gpu/drm/vmwgfx/Kconfig
index 67720f70fe29..b49445df8a7e 100644
--- a/drivers/gpu/drm/vmwgfx/Kconfig
+++ b/drivers/gpu/drm/vmwgfx/Kconfig
@@ -1,6 +1,6 @@
config DRM_VMWGFX
tristate "DRM driver for VMware Virtual GPU"
- depends on DRM && PCI
+ depends on DRM && PCI && X86
select FB_DEFERRED_IO
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
index ce659a125f2b..092ea81eeff7 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
@@ -311,7 +311,6 @@ static int vmw_cotable_unbind(struct vmw_resource *res,
struct vmw_private *dev_priv = res->dev_priv;
struct ttm_buffer_object *bo = val_buf->bo;
struct vmw_fence_obj *fence;
- int ret;
if (list_empty(&res->mob_head))
return 0;
@@ -328,7 +327,7 @@ static int vmw_cotable_unbind(struct vmw_resource *res,
if (likely(fence != NULL))
vmw_fence_obj_unreference(&fence);
- return ret;
+ return 0;
}
/**
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index e13b20bd9908..2c7a25c71af2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -752,12 +752,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
dev_priv->active_master = &dev_priv->fbdev_master;
-
- dev_priv->mmio_mtrr = arch_phys_wc_add(dev_priv->mmio_start,
- dev_priv->mmio_size);
-
- dev_priv->mmio_virt = ioremap_wc(dev_priv->mmio_start,
- dev_priv->mmio_size);
+ dev_priv->mmio_virt = ioremap_cache(dev_priv->mmio_start,
+ dev_priv->mmio_size);
if (unlikely(dev_priv->mmio_virt == NULL)) {
ret = -ENOMEM;
@@ -913,7 +909,6 @@ out_no_device:
out_err4:
iounmap(dev_priv->mmio_virt);
out_err3:
- arch_phys_wc_del(dev_priv->mmio_mtrr);
vmw_ttm_global_release(dev_priv);
out_err0:
for (i = vmw_res_context; i < vmw_res_max; ++i)
@@ -964,7 +959,6 @@ static int vmw_driver_unload(struct drm_device *dev)
ttm_object_device_release(&dev_priv->tdev);
iounmap(dev_priv->mmio_virt);
- arch_phys_wc_del(dev_priv->mmio_mtrr);
if (dev_priv->ctx.staged_bindings)
vmw_binding_state_free(dev_priv->ctx.staged_bindings);
vmw_ttm_global_release(dev_priv);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 6d02de6dc36c..f19fd39b43e1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -376,7 +376,6 @@ struct vmw_private {
uint32_t initial_width;
uint32_t initial_height;
u32 __iomem *mmio_virt;
- int mmio_mtrr;
uint32_t capabilities;
uint32_t max_gmr_ids;
uint32_t max_gmr_pages;
@@ -631,7 +630,8 @@ extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
uint32_t size,
bool shareable,
uint32_t *handle,
- struct vmw_dma_buffer **p_dma_buf);
+ struct vmw_dma_buffer **p_dma_buf,
+ struct ttm_base_object **p_base);
extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile,
struct vmw_dma_buffer *dma_buf,
uint32_t *handle);
@@ -645,7 +645,8 @@ extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
uint32_t cur_validate_node);
extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
- uint32_t id, struct vmw_dma_buffer **out);
+ uint32_t id, struct vmw_dma_buffer **out,
+ struct ttm_base_object **base);
extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index b56565457c96..5da5de0cb522 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -1236,7 +1236,8 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv,
struct vmw_relocation *reloc;
int ret;
- ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo);
+ ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo,
+ NULL);
if (unlikely(ret != 0)) {
DRM_ERROR("Could not find or use MOB buffer.\n");
ret = -EINVAL;
@@ -1296,7 +1297,8 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv,
struct vmw_relocation *reloc;
int ret;
- ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo);
+ ret = vmw_user_dmabuf_lookup(sw_context->fp->tfile, handle, &vmw_bo,
+ NULL);
if (unlikely(ret != 0)) {
DRM_ERROR("Could not find or use GMR region.\n");
ret = -EINVAL;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 61fb7f3de311..15a6c01cd016 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1685,7 +1685,6 @@ int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
struct drm_crtc *crtc;
u32 num_units = 0;
u32 i, k;
- int ret;
dirty->dev_priv = dev_priv;
@@ -1711,7 +1710,7 @@ int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
if (!dirty->cmd) {
DRM_ERROR("Couldn't reserve fifo space "
"for dirty blits.\n");
- return ret;
+ return -ENOMEM;
}
memset(dirty->cmd, 0, dirty->fifo_reserve_size);
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
index 76069f093ccf..222c9c2123a1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
@@ -484,7 +484,7 @@ int vmw_overlay_ioctl(struct drm_device *dev, void *data,
goto out_unlock;
}
- ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &buf);
+ ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &buf, NULL);
if (ret)
goto out_unlock;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index c1912f852b42..e57667ca7557 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -354,7 +354,7 @@ int vmw_user_lookup_handle(struct vmw_private *dev_priv,
}
*out_surf = NULL;
- ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf);
+ ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf, NULL);
return ret;
}
@@ -481,7 +481,8 @@ int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
uint32_t size,
bool shareable,
uint32_t *handle,
- struct vmw_dma_buffer **p_dma_buf)
+ struct vmw_dma_buffer **p_dma_buf,
+ struct ttm_base_object **p_base)
{
struct vmw_user_dma_buffer *user_bo;
struct ttm_buffer_object *tmp;
@@ -515,6 +516,10 @@ int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv,
}
*p_dma_buf = &user_bo->dma;
+ if (p_base) {
+ *p_base = &user_bo->prime.base;
+ kref_get(&(*p_base)->refcount);
+ }
*handle = user_bo->prime.base.hash.key;
out_no_base_object:
@@ -631,6 +636,7 @@ int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data,
struct vmw_dma_buffer *dma_buf;
struct vmw_user_dma_buffer *user_bo;
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+ struct ttm_base_object *buffer_base;
int ret;
if ((arg->flags & (drm_vmw_synccpu_read | drm_vmw_synccpu_write)) == 0
@@ -643,7 +649,8 @@ int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data,
switch (arg->op) {
case drm_vmw_synccpu_grab:
- ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &dma_buf);
+ ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &dma_buf,
+ &buffer_base);
if (unlikely(ret != 0))
return ret;
@@ -651,6 +658,7 @@ int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data,
dma);
ret = vmw_user_dmabuf_synccpu_grab(user_bo, tfile, arg->flags);
vmw_dmabuf_unreference(&dma_buf);
+ ttm_base_object_unref(&buffer_base);
if (unlikely(ret != 0 && ret != -ERESTARTSYS &&
ret != -EBUSY)) {
DRM_ERROR("Failed synccpu grab on handle 0x%08x.\n",
@@ -692,7 +700,8 @@ int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
return ret;
ret = vmw_user_dmabuf_alloc(dev_priv, vmw_fpriv(file_priv)->tfile,
- req->size, false, &handle, &dma_buf);
+ req->size, false, &handle, &dma_buf,
+ NULL);
if (unlikely(ret != 0))
goto out_no_dmabuf;
@@ -721,7 +730,8 @@ int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
}
int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
- uint32_t handle, struct vmw_dma_buffer **out)
+ uint32_t handle, struct vmw_dma_buffer **out,
+ struct ttm_base_object **p_base)
{
struct vmw_user_dma_buffer *vmw_user_bo;
struct ttm_base_object *base;
@@ -743,7 +753,10 @@ int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
vmw_user_bo = container_of(base, struct vmw_user_dma_buffer,
prime.base);
(void)ttm_bo_reference(&vmw_user_bo->dma.base);
- ttm_base_object_unref(&base);
+ if (p_base)
+ *p_base = base;
+ else
+ ttm_base_object_unref(&base);
*out = &vmw_user_bo->dma;
return 0;
@@ -1004,7 +1017,7 @@ int vmw_dumb_create(struct drm_file *file_priv,
ret = vmw_user_dmabuf_alloc(dev_priv, vmw_fpriv(file_priv)->tfile,
args->size, false, &args->handle,
- &dma_buf);
+ &dma_buf, NULL);
if (unlikely(ret != 0))
goto out_no_dmabuf;
@@ -1032,7 +1045,7 @@ int vmw_dumb_map_offset(struct drm_file *file_priv,
struct vmw_dma_buffer *out_buf;
int ret;
- ret = vmw_user_dmabuf_lookup(tfile, handle, &out_buf);
+ ret = vmw_user_dmabuf_lookup(tfile, handle, &out_buf, NULL);
if (ret != 0)
return -EINVAL;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
index bba1ee395478..fd47547b0234 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
@@ -855,7 +855,7 @@ static int vmw_shader_define(struct drm_device *dev, struct drm_file *file_priv,
if (buffer_handle != SVGA3D_INVALID_ID) {
ret = vmw_user_dmabuf_lookup(tfile, buffer_handle,
- &buffer);
+ &buffer, NULL);
if (unlikely(ret != 0)) {
DRM_ERROR("Could not find buffer for shader "
"creation.\n");
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index 3361769842f4..64b50409fa07 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -46,6 +46,7 @@ struct vmw_user_surface {
struct vmw_surface srf;
uint32_t size;
struct drm_master *master;
+ struct ttm_base_object *backup_base;
};
/**
@@ -656,6 +657,7 @@ static void vmw_user_surface_base_release(struct ttm_base_object **p_base)
struct vmw_resource *res = &user_srf->srf.res;
*p_base = NULL;
+ ttm_base_object_unref(&user_srf->backup_base);
vmw_resource_unreference(&res);
}
@@ -851,7 +853,8 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
res->backup_size,
true,
&backup_handle,
- &res->backup);
+ &res->backup,
+ &user_srf->backup_base);
if (unlikely(ret != 0)) {
vmw_resource_unreference(&res);
goto out_unlock;
@@ -1321,7 +1324,8 @@ int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
if (req->buffer_handle != SVGA3D_INVALID_ID) {
ret = vmw_user_dmabuf_lookup(tfile, req->buffer_handle,
- &res->backup);
+ &res->backup,
+ &user_srf->backup_base);
if (ret == 0 && res->backup->base.num_pages * PAGE_SIZE <
res->backup_size) {
DRM_ERROR("Surface backup buffer is too small.\n");
@@ -1335,7 +1339,8 @@ int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data,
req->drm_surface_flags &
drm_vmw_surface_flag_shareable,
&backup_handle,
- &res->backup);
+ &res->backup,
+ &user_srf->backup_base);
if (unlikely(ret != 0)) {
vmw_resource_unreference(&res);
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index d60c88df5234..4b3b6f8aff0c 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -968,7 +968,8 @@ static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone);
/*
* Generate a new unfragmented bio with the given size
- * This should never violate the device limitations
+ * This should never violate the device limitations (but only because
+ * max_segment_size is being constrained to PAGE_SIZE).
*
* This function may be called concurrently. If we allocate from the mempool
* concurrently, there is a possibility of deadlock. For example, if we have
@@ -2045,9 +2046,20 @@ static int crypt_iterate_devices(struct dm_target *ti,
return fn(ti, cc->dev, cc->start, ti->len, data);
}
+static void crypt_io_hints(struct dm_target *ti, struct queue_limits *limits)
+{
+ /*
+ * Unfortunate constraint that is required to avoid the potential
+ * for exceeding underlying device's max_segments limits -- due to
+ * crypt_alloc_buffer() possibly allocating pages for the encryption
+ * bio that are not as physically contiguous as the original bio.
+ */
+ limits->max_segment_size = PAGE_SIZE;
+}
+
static struct target_type crypt_target = {
.name = "crypt",
- .version = {1, 14, 0},
+ .version = {1, 14, 1},
.module = THIS_MODULE,
.ctr = crypt_ctr,
.dtr = crypt_dtr,
@@ -2058,6 +2070,7 @@ static struct target_type crypt_target = {
.resume = crypt_resume,
.message = crypt_message,
.iterate_devices = crypt_iterate_devices,
+ .io_hints = crypt_io_hints,
};
static int __init dm_crypt_init(void)
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 6578b7bc1fbb..6fcbfb063366 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -4249,6 +4249,10 @@ static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits)
{
struct thin_c *tc = ti->private;
struct pool *pool = tc->pool;
+ struct queue_limits *pool_limits = dm_get_queue_limits(pool->pool_md);
+
+ if (!pool_limits->discard_granularity)
+ return; /* pool's discard support is disabled */
limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT;
limits->max_discard_sectors = 2048 * 1024 * 16; /* 16G */
diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c
index 25868c2ec03e..02006f7109a8 100644
--- a/drivers/misc/cxl/sysfs.c
+++ b/drivers/misc/cxl/sysfs.c
@@ -592,6 +592,8 @@ int cxl_sysfs_afu_add(struct cxl_afu *afu)
/* conditionally create the add the binary file for error info buffer */
if (afu->eb_len) {
+ sysfs_attr_init(&afu->attr_eb.attr);
+
afu->attr_eb.attr.name = "afu_err_buff";
afu->attr_eb.attr.mode = S_IRUGO;
afu->attr_eb.size = afu->eb_len;
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index 10f71c732b59..816d0e94961c 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -326,7 +326,7 @@ static void arcdev_setup(struct net_device *dev)
dev->type = ARPHRD_ARCNET;
dev->netdev_ops = &arcnet_netdev_ops;
dev->header_ops = &arcnet_header_ops;
- dev->hard_header_len = sizeof(struct archdr);
+ dev->hard_header_len = sizeof(struct arc_hardware);
dev->mtu = choose_mtu();
dev->addr_len = ARCNET_ALEN;
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 6f13f7206762..f8baa897d1a0 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -2000,6 +2000,7 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port)
*/
reg = _mv88e6xxx_reg_read(ds, REG_PORT(port), PORT_PCS_CTRL);
if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port)) {
+ reg &= ~PORT_PCS_CTRL_UNFORCED;
reg |= PORT_PCS_CTRL_FORCE_LINK |
PORT_PCS_CTRL_LINK_UP |
PORT_PCS_CTRL_DUPLEX_FULL |
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
index cfa37041ab71..c4bb8027b3fb 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -689,16 +689,24 @@ static int xgene_enet_phy_connect(struct net_device *ndev)
netdev_dbg(ndev, "No phy-handle found in DT\n");
return -ENODEV;
}
- pdata->phy_dev = of_phy_find_device(phy_np);
- }
- phy_dev = pdata->phy_dev;
+ phy_dev = of_phy_connect(ndev, phy_np, &xgene_enet_adjust_link,
+ 0, pdata->phy_mode);
+ if (!phy_dev) {
+ netdev_err(ndev, "Could not connect to PHY\n");
+ return -ENODEV;
+ }
+
+ pdata->phy_dev = phy_dev;
+ } else {
+ phy_dev = pdata->phy_dev;
- if (!phy_dev ||
- phy_connect_direct(ndev, phy_dev, &xgene_enet_adjust_link,
- pdata->phy_mode)) {
- netdev_err(ndev, "Could not connect to PHY\n");
- return -ENODEV;
+ if (!phy_dev ||
+ phy_connect_direct(ndev, phy_dev, &xgene_enet_adjust_link,
+ pdata->phy_mode)) {
+ netdev_err(ndev, "Could not connect to PHY\n");
+ return -ENODEV;
+ }
}
pdata->phy_speed = SPEED_UNKNOWN;
diff --git a/drivers/net/ethernet/arc/emac_arc.c b/drivers/net/ethernet/arc/emac_arc.c
index f9cb99bfb511..ffd180570920 100644
--- a/drivers/net/ethernet/arc/emac_arc.c
+++ b/drivers/net/ethernet/arc/emac_arc.c
@@ -78,6 +78,7 @@ static const struct of_device_id emac_arc_dt_ids[] = {
{ .compatible = "snps,arc-emac" },
{ /* Sentinel */ }
};
+MODULE_DEVICE_TABLE(of, emac_arc_dt_ids);
static struct platform_driver emac_arc_driver = {
.probe = emac_arc_probe,
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index b9a5a97ed4dd..f1b5364f3521 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -2079,6 +2079,7 @@ static const struct of_device_id bcm_sysport_of_match[] = {
{ .compatible = "brcm,systemport" },
{ /* sentinel */ }
};
+MODULE_DEVICE_TABLE(of, bcm_sysport_of_match);
static struct platform_driver bcm_sysport_driver = {
.probe = bcm_sysport_probe,
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index ba936635322a..b5e64b02200c 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -1946,6 +1946,7 @@ struct bnx2x {
u16 vlan_cnt;
u16 vlan_credit;
u16 vxlan_dst_port;
+ u8 vxlan_dst_port_count;
bool accept_any_vlan;
};
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index e3da2bddf143..f1d62d5dbaff 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -3705,16 +3705,14 @@ out:
void bnx2x_update_mfw_dump(struct bnx2x *bp)
{
- struct timeval epoc;
u32 drv_ver;
u32 valid_dump;
if (!SHMEM2_HAS(bp, drv_info))
return;
- /* Update Driver load time */
- do_gettimeofday(&epoc);
- SHMEM2_WR(bp, drv_info.epoc, epoc.tv_sec);
+ /* Update Driver load time, possibly broken in y2038 */
+ SHMEM2_WR(bp, drv_info.epoc, (u32)ktime_get_real_seconds());
drv_ver = bnx2x_update_mng_version_utility(DRV_MODULE_VERSION, true);
SHMEM2_WR(bp, drv_info.drv_ver, drv_ver);
@@ -10110,12 +10108,18 @@ static void __bnx2x_add_vxlan_port(struct bnx2x *bp, u16 port)
if (!netif_running(bp->dev))
return;
- if (bp->vxlan_dst_port || !IS_PF(bp)) {
+ if (bp->vxlan_dst_port_count && bp->vxlan_dst_port == port) {
+ bp->vxlan_dst_port_count++;
+ return;
+ }
+
+ if (bp->vxlan_dst_port_count || !IS_PF(bp)) {
DP(BNX2X_MSG_SP, "Vxlan destination port limit reached\n");
return;
}
bp->vxlan_dst_port = port;
+ bp->vxlan_dst_port_count = 1;
bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_ADD_VXLAN_PORT, 0);
}
@@ -10130,10 +10134,14 @@ static void bnx2x_add_vxlan_port(struct net_device *netdev,
static void __bnx2x_del_vxlan_port(struct bnx2x *bp, u16 port)
{
- if (!bp->vxlan_dst_port || bp->vxlan_dst_port != port || !IS_PF(bp)) {
+ if (!bp->vxlan_dst_port_count || bp->vxlan_dst_port != port ||
+ !IS_PF(bp)) {
DP(BNX2X_MSG_SP, "Invalid vxlan port\n");
return;
}
+ bp->vxlan_dst_port--;
+ if (bp->vxlan_dst_port)
+ return;
if (netif_running(bp->dev)) {
bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_DEL_VXLAN_PORT, 0);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index c9bd7f16018e..ff702a707a91 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -4319,8 +4319,16 @@ static int bnx2x_setup_rss(struct bnx2x *bp,
/* RSS keys */
if (test_bit(BNX2X_RSS_SET_SRCH, &p->rss_flags)) {
- memcpy(&data->rss_key[0], &p->rss_key[0],
- sizeof(data->rss_key));
+ u8 *dst = (u8 *)(data->rss_key) + sizeof(data->rss_key);
+ const u8 *src = (const u8 *)p->rss_key;
+ int i;
+
+ /* Apparently, bnx2x reads this array in reverse order
+ * We need to byte swap rss_key to comply with Toeplitz specs.
+ */
+ for (i = 0; i < sizeof(data->rss_key); i++)
+ *--dst = *src++;
+
caps |= ETH_RSS_UPDATE_RAMROD_DATA_UPDATE_RSS_KEY;
}
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index fadbd0088d3e..3bc701e4c59e 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -3155,6 +3155,7 @@ static const struct of_device_id bcmgenet_match[] = {
{ .compatible = "brcm,genet-v4", .data = (void *)GENET_V4 },
{ },
};
+MODULE_DEVICE_TABLE(of, bcmgenet_match);
static int bcmgenet_probe(struct platform_device *pdev)
{
diff --git a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
index 5d0753cc7e73..04b0d16b210e 100644
--- a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
+++ b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c
@@ -2400,6 +2400,7 @@ bna_rx_create(struct bna *bna, struct bnad *bnad,
q0->rcb->id = 0;
q0->rx_packets = q0->rx_bytes = 0;
q0->rx_packets_with_error = q0->rxbuf_alloc_failed = 0;
+ q0->rxbuf_map_failed = 0;
bna_rxq_qpt_setup(q0, rxp, dpage_count, PAGE_SIZE,
&dqpt_mem[i], &dsqpt_mem[i], &dpage_mem[i]);
@@ -2428,6 +2429,7 @@ bna_rx_create(struct bna *bna, struct bnad *bnad,
: rx_cfg->q1_buf_size;
q1->rx_packets = q1->rx_bytes = 0;
q1->rx_packets_with_error = q1->rxbuf_alloc_failed = 0;
+ q1->rxbuf_map_failed = 0;
bna_rxq_qpt_setup(q1, rxp, hpage_count, PAGE_SIZE,
&hqpt_mem[i], &hsqpt_mem[i],
diff --git a/drivers/net/ethernet/brocade/bna/bna_types.h b/drivers/net/ethernet/brocade/bna/bna_types.h
index e0e797f2ea14..c438d032e8bf 100644
--- a/drivers/net/ethernet/brocade/bna/bna_types.h
+++ b/drivers/net/ethernet/brocade/bna/bna_types.h
@@ -587,6 +587,7 @@ struct bna_rxq {
u64 rx_bytes;
u64 rx_packets_with_error;
u64 rxbuf_alloc_failed;
+ u64 rxbuf_map_failed;
};
/* RxQ pair */
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c
index 506047c38607..21a0cfc3e7ec 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.c
+++ b/drivers/net/ethernet/brocade/bna/bnad.c
@@ -399,7 +399,13 @@ bnad_rxq_refill_page(struct bnad *bnad, struct bna_rcb *rcb, u32 nalloc)
}
dma_addr = dma_map_page(&bnad->pcidev->dev, page, page_offset,
- unmap_q->map_size, DMA_FROM_DEVICE);
+ unmap_q->map_size, DMA_FROM_DEVICE);
+ if (dma_mapping_error(&bnad->pcidev->dev, dma_addr)) {
+ put_page(page);
+ BNAD_UPDATE_CTR(bnad, rxbuf_map_failed);
+ rcb->rxq->rxbuf_map_failed++;
+ goto finishing;
+ }
unmap->page = page;
unmap->page_offset = page_offset;
@@ -454,8 +460,15 @@ bnad_rxq_refill_skb(struct bnad *bnad, struct bna_rcb *rcb, u32 nalloc)
rcb->rxq->rxbuf_alloc_failed++;
goto finishing;
}
+
dma_addr = dma_map_single(&bnad->pcidev->dev, skb->data,
buff_sz, DMA_FROM_DEVICE);
+ if (dma_mapping_error(&bnad->pcidev->dev, dma_addr)) {
+ dev_kfree_skb_any(skb);
+ BNAD_UPDATE_CTR(bnad, rxbuf_map_failed);
+ rcb->rxq->rxbuf_map_failed++;
+ goto finishing;
+ }
unmap->skb = skb;
dma_unmap_addr_set(&unmap->vector, dma_addr, dma_addr);
@@ -3025,6 +3038,11 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
unmap = head_unmap;
dma_addr = dma_map_single(&bnad->pcidev->dev, skb->data,
len, DMA_TO_DEVICE);
+ if (dma_mapping_error(&bnad->pcidev->dev, dma_addr)) {
+ dev_kfree_skb_any(skb);
+ BNAD_UPDATE_CTR(bnad, tx_skb_map_failed);
+ return NETDEV_TX_OK;
+ }
BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[0].host_addr);
txqent->vector[0].length = htons(len);
dma_unmap_addr_set(&unmap->vectors[0], dma_addr, dma_addr);
@@ -3056,6 +3074,15 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
dma_addr = skb_frag_dma_map(&bnad->pcidev->dev, frag,
0, size, DMA_TO_DEVICE);
+ if (dma_mapping_error(&bnad->pcidev->dev, dma_addr)) {
+ /* Undo the changes starting at tcb->producer_index */
+ bnad_tx_buff_unmap(bnad, unmap_q, q_depth,
+ tcb->producer_index);
+ dev_kfree_skb_any(skb);
+ BNAD_UPDATE_CTR(bnad, tx_skb_map_failed);
+ return NETDEV_TX_OK;
+ }
+
dma_unmap_len_set(&unmap->vectors[vect_id], dma_len, size);
BNA_SET_DMA_ADDR(dma_addr, &txqent->vector[vect_id].host_addr);
txqent->vector[vect_id].length = htons(size);
diff --git a/drivers/net/ethernet/brocade/bna/bnad.h b/drivers/net/ethernet/brocade/bna/bnad.h
index faedbf24777e..f4ed816b93ee 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.h
+++ b/drivers/net/ethernet/brocade/bna/bnad.h
@@ -175,6 +175,7 @@ struct bnad_drv_stats {
u64 tx_skb_headlen_zero;
u64 tx_skb_frag_zero;
u64 tx_skb_len_mismatch;
+ u64 tx_skb_map_failed;
u64 hw_stats_updates;
u64 netif_rx_dropped;
@@ -189,6 +190,7 @@ struct bnad_drv_stats {
u64 rx_unmap_q_alloc_failed;
u64 rxbuf_alloc_failed;
+ u64 rxbuf_map_failed;
};
/* Complete driver stats */
diff --git a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
index 2bdfc5dff4b1..0e4fdc3dd729 100644
--- a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
+++ b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
@@ -90,6 +90,7 @@ static const char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = {
"tx_skb_headlen_zero",
"tx_skb_frag_zero",
"tx_skb_len_mismatch",
+ "tx_skb_map_failed",
"hw_stats_updates",
"netif_rx_dropped",
@@ -102,6 +103,7 @@ static const char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = {
"tx_unmap_q_alloc_failed",
"rx_unmap_q_alloc_failed",
"rxbuf_alloc_failed",
+ "rxbuf_map_failed",
"mac_stats_clr_cnt",
"mac_frame_64",
@@ -807,6 +809,7 @@ bnad_per_q_stats_fill(struct bnad *bnad, u64 *buf, int bi)
rx_packets_with_error;
buf[bi++] = rcb->rxq->
rxbuf_alloc_failed;
+ buf[bi++] = rcb->rxq->rxbuf_map_failed;
buf[bi++] = rcb->producer_index;
buf[bi++] = rcb->consumer_index;
}
@@ -821,6 +824,7 @@ bnad_per_q_stats_fill(struct bnad *bnad, u64 *buf, int bi)
rx_packets_with_error;
buf[bi++] = rcb->rxq->
rxbuf_alloc_failed;
+ buf[bi++] = rcb->rxq->rxbuf_map_failed;
buf[bi++] = rcb->producer_index;
buf[bi++] = rcb->consumer_index;
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h
index 8353a6cbfcc2..03ed00c49823 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h
@@ -157,6 +157,11 @@ CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN
CH_PCI_ID_TABLE_FENTRY(0x5090), /* Custom T540-CR */
CH_PCI_ID_TABLE_FENTRY(0x5091), /* Custom T522-CR */
CH_PCI_ID_TABLE_FENTRY(0x5092), /* Custom T520-CR */
+ CH_PCI_ID_TABLE_FENTRY(0x5093), /* Custom T580-LP-CR */
+ CH_PCI_ID_TABLE_FENTRY(0x5094), /* Custom T540-CR */
+ CH_PCI_ID_TABLE_FENTRY(0x5095), /* Custom T540-CR-SO */
+ CH_PCI_ID_TABLE_FENTRY(0x5096), /* Custom T580-CR */
+ CH_PCI_ID_TABLE_FENTRY(0x5097), /* Custom T520-KR */
/* T6 adapters:
*/
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index 0a27805cbbbd..821540913343 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -582,6 +582,7 @@ struct be_adapter {
u16 pvid;
__be16 vxlan_port;
int vxlan_port_count;
+ int vxlan_port_aliases;
struct phy_info phy;
u8 wol_cap;
bool wol_en;
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 12687bf52b95..7bf51a1a0a77 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -5176,6 +5176,11 @@ static void be_add_vxlan_port(struct net_device *netdev, sa_family_t sa_family,
if (lancer_chip(adapter) || BEx_chip(adapter) || be_is_mc(adapter))
return;
+ if (adapter->vxlan_port == port && adapter->vxlan_port_count) {
+ adapter->vxlan_port_aliases++;
+ return;
+ }
+
if (adapter->flags & BE_FLAGS_VXLAN_OFFLOADS) {
dev_info(dev,
"Only one UDP port supported for VxLAN offloads\n");
@@ -5226,6 +5231,11 @@ static void be_del_vxlan_port(struct net_device *netdev, sa_family_t sa_family,
if (adapter->vxlan_port != port)
goto done;
+ if (adapter->vxlan_port_aliases) {
+ adapter->vxlan_port_aliases--;
+ return;
+ }
+
be_disable_vxlan_offloads(adapter);
dev_info(&adapter->pdev->dev,
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index 4b69d061d90f..710715fcb23d 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -1710,8 +1710,10 @@ static void gfar_configure_serdes(struct net_device *dev)
* everything for us? Resetting it takes the link down and requires
* several seconds for it to come back.
*/
- if (phy_read(tbiphy, MII_BMSR) & BMSR_LSTATUS)
+ if (phy_read(tbiphy, MII_BMSR) & BMSR_LSTATUS) {
+ put_device(&tbiphy->dev);
return;
+ }
/* Single clk mode, mii mode off(for serdes communication) */
phy_write(tbiphy, MII_TBICON, TBICON_CLK_SELECT);
@@ -1723,6 +1725,8 @@ static void gfar_configure_serdes(struct net_device *dev)
phy_write(tbiphy, MII_BMCR,
BMCR_ANENABLE | BMCR_ANRESTART | BMCR_FULLDPLX |
BMCR_SPEED1000);
+
+ put_device(&tbiphy->dev);
}
static int __gfar_is_rx_idle(struct gfar_private *priv)
@@ -1970,8 +1974,7 @@ static int register_grp_irqs(struct gfar_priv_grp *grp)
/* Install our interrupt handlers for Error,
* Transmit, and Receive
*/
- err = request_irq(gfar_irq(grp, ER)->irq, gfar_error,
- IRQF_NO_SUSPEND,
+ err = request_irq(gfar_irq(grp, ER)->irq, gfar_error, 0,
gfar_irq(grp, ER)->name, grp);
if (err < 0) {
netif_err(priv, intr, dev, "Can't get IRQ %d\n",
@@ -1979,6 +1982,8 @@ static int register_grp_irqs(struct gfar_priv_grp *grp)
goto err_irq_fail;
}
+ enable_irq_wake(gfar_irq(grp, ER)->irq);
+
err = request_irq(gfar_irq(grp, TX)->irq, gfar_transmit, 0,
gfar_irq(grp, TX)->name, grp);
if (err < 0) {
@@ -1994,14 +1999,14 @@ static int register_grp_irqs(struct gfar_priv_grp *grp)
goto rx_irq_fail;
}
} else {
- err = request_irq(gfar_irq(grp, TX)->irq, gfar_interrupt,
- IRQF_NO_SUSPEND,
+ err = request_irq(gfar_irq(grp, TX)->irq, gfar_interrupt, 0,
gfar_irq(grp, TX)->name, grp);
if (err < 0) {
netif_err(priv, intr, dev, "Can't get IRQ %d\n",
gfar_irq(grp, TX)->irq);
goto err_irq_fail;
}
+ enable_irq_wake(gfar_irq(grp, TX)->irq);
}
return 0;
diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 8e3cd77aa347..664d0c261269 100644
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -557,6 +557,7 @@ static const struct of_device_id match_table[] = {
{ .compatible = "fsl,etsec-ptp" },
{},
};
+MODULE_DEVICE_TABLE(of, match_table);
static struct platform_driver gianfar_ptp_driver = {
.driver = {
diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index 4dd40e057f40..650f7888e32b 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -1384,6 +1384,8 @@ static int adjust_enet_interface(struct ucc_geth_private *ugeth)
value = phy_read(tbiphy, ENET_TBI_MII_CR);
value &= ~0x1000; /* Turn off autonegotiation */
phy_write(tbiphy, ENET_TBI_MII_CR, value);
+
+ put_device(&tbiphy->dev);
}
init_check_frame_length_mode(ug_info->lengthCheckRx, &ug_regs->maccfg2);
@@ -1702,8 +1704,10 @@ static void uec_configure_serdes(struct net_device *dev)
* everything for us? Resetting it takes the link down and requires
* several seconds for it to come back.
*/
- if (phy_read(tbiphy, ENET_TBI_MII_SR) & TBISR_LSTATUS)
+ if (phy_read(tbiphy, ENET_TBI_MII_SR) & TBISR_LSTATUS) {
+ put_device(&tbiphy->dev);
return;
+ }
/* Single clk mode, mii mode off(for serdes communication) */
phy_write(tbiphy, ENET_TBI_MII_ANA, TBIANA_SETTINGS);
@@ -1711,6 +1715,8 @@ static void uec_configure_serdes(struct net_device *dev)
phy_write(tbiphy, ENET_TBI_MII_TBICON, TBICON_CLK_SELECT);
phy_write(tbiphy, ENET_TBI_MII_CR, TBICR_SETTINGS);
+
+ put_device(&tbiphy->dev);
}
/* Configure the PHY for dev.
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index fe2299ac4f5c..514df76fc70f 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -1479,6 +1479,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo,
struct mvneta_rx_desc *rx_desc = mvneta_rxq_next_desc_get(rxq);
struct sk_buff *skb;
unsigned char *data;
+ dma_addr_t phys_addr;
u32 rx_status;
int rx_bytes, err;
@@ -1486,6 +1487,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo,
rx_status = rx_desc->status;
rx_bytes = rx_desc->data_size - (ETH_FCS_LEN + MVNETA_MH_SIZE);
data = (unsigned char *)rx_desc->buf_cookie;
+ phys_addr = rx_desc->buf_phys_addr;
if (!mvneta_rxq_desc_is_first_last(rx_status) ||
(rx_status & MVNETA_RXD_ERR_SUMMARY)) {
@@ -1534,7 +1536,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo,
if (!skb)
goto err_drop_frame;
- dma_unmap_single(dev->dev.parent, rx_desc->buf_phys_addr,
+ dma_unmap_single(dev->dev.parent, phys_addr,
MVNETA_RX_BUF_SIZE(pp->pkt_size), DMA_FROM_DEVICE);
rcvd_pkts++;
@@ -3173,6 +3175,8 @@ static int mvneta_probe(struct platform_device *pdev)
struct phy_device *phy = of_phy_find_device(dn);
mvneta_fixed_link_update(pp, phy);
+
+ put_device(&phy->dev);
}
return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 4c7de8c44659..e7a5000aa12c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -1270,8 +1270,6 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
rss_context->hash_fn = MLX4_RSS_HASH_TOP;
memcpy(rss_context->rss_key, priv->rss_key,
MLX4_EN_RSS_KEY_SIZE);
- netdev_rss_key_fill(rss_context->rss_key,
- MLX4_EN_RSS_KEY_SIZE);
} else {
en_err(priv, "Unknown RSS hash function requested\n");
err = -EINVAL;
diff --git a/drivers/net/ethernet/micrel/ks8851.c b/drivers/net/ethernet/micrel/ks8851.c
index 66d4ab703f45..60f43ec22175 100644
--- a/drivers/net/ethernet/micrel/ks8851.c
+++ b/drivers/net/ethernet/micrel/ks8851.c
@@ -1601,6 +1601,7 @@ static const struct of_device_id ks8851_match_table[] = {
{ .compatible = "micrel,ks8851" },
{ }
};
+MODULE_DEVICE_TABLE(of, ks8851_match_table);
static struct spi_driver ks8851_driver = {
.driver = {
diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c
index becbb5f1f5a7..a10c928bbd6b 100644
--- a/drivers/net/ethernet/moxa/moxart_ether.c
+++ b/drivers/net/ethernet/moxa/moxart_ether.c
@@ -552,6 +552,7 @@ static const struct of_device_id moxart_mac_match[] = {
{ .compatible = "moxa,moxart-mac" },
{ }
};
+MODULE_DEVICE_TABLE(of, moxart_mac_match);
static struct platform_driver moxart_mac_driver = {
.probe = moxart_mac_probe,
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 06bcc734fe8d..d6696cfa11d2 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -536,6 +536,7 @@ struct qlcnic_hardware_context {
u8 extend_lb_time;
u8 phys_port_id[ETH_ALEN];
u8 lb_mode;
+ u8 vxlan_port_count;
u16 vxlan_port;
struct device *hwmon_dev;
u32 post_mode;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 8b08b20e8b30..d4481454b5f8 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -483,11 +483,17 @@ static void qlcnic_add_vxlan_port(struct net_device *netdev,
/* Adapter supports only one VXLAN port. Use very first port
* for enabling offload
*/
- if (!qlcnic_encap_rx_offload(adapter) || ahw->vxlan_port)
+ if (!qlcnic_encap_rx_offload(adapter))
return;
+ if (!ahw->vxlan_port_count) {
+ ahw->vxlan_port_count = 1;
+ ahw->vxlan_port = ntohs(port);
+ adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
+ return;
+ }
+ if (ahw->vxlan_port == ntohs(port))
+ ahw->vxlan_port_count++;
- ahw->vxlan_port = ntohs(port);
- adapter->flags |= QLCNIC_ADD_VXLAN_PORT;
}
static void qlcnic_del_vxlan_port(struct net_device *netdev,
@@ -496,11 +502,13 @@ static void qlcnic_del_vxlan_port(struct net_device *netdev,
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_hardware_context *ahw = adapter->ahw;
- if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port ||
+ if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count ||
(ahw->vxlan_port != ntohs(port)))
return;
- adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
+ ahw->vxlan_port_count--;
+ if (!ahw->vxlan_port_count)
+ adapter->flags |= QLCNIC_DEL_VXLAN_PORT;
}
static netdev_features_t qlcnic_features_check(struct sk_buff *skb,
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index d79e33b3c191..686334f4588d 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -157,6 +157,7 @@ enum {
NWayAdvert = 0x66, /* MII ADVERTISE */
NWayLPAR = 0x68, /* MII LPA */
NWayExpansion = 0x6A, /* MII Expansion */
+ TxDmaOkLowDesc = 0x82, /* Low 16 bit address of a Tx descriptor. */
Config5 = 0xD8, /* Config5 */
TxPoll = 0xD9, /* Tell chip to check Tx descriptors for work */
RxMaxSize = 0xDA, /* Max size of an Rx packet (8169 only) */
@@ -341,6 +342,7 @@ struct cp_private {
unsigned tx_tail;
struct cp_desc *tx_ring;
struct sk_buff *tx_skb[CP_TX_RING_SIZE];
+ u32 tx_opts[CP_TX_RING_SIZE];
unsigned rx_buf_sz;
unsigned wol_enabled : 1; /* Is Wake-on-LAN enabled? */
@@ -665,7 +667,7 @@ static void cp_tx (struct cp_private *cp)
BUG_ON(!skb);
dma_unmap_single(&cp->pdev->dev, le64_to_cpu(txd->addr),
- le32_to_cpu(txd->opts1) & 0xffff,
+ cp->tx_opts[tx_tail] & 0xffff,
PCI_DMA_TODEVICE);
if (status & LastFrag) {
@@ -733,7 +735,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
{
struct cp_private *cp = netdev_priv(dev);
unsigned entry;
- u32 eor, flags;
+ u32 eor, opts1;
unsigned long intr_flags;
__le32 opts2;
int mss = 0;
@@ -753,6 +755,21 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
mss = skb_shinfo(skb)->gso_size;
opts2 = cpu_to_le32(cp_tx_vlan_tag(skb));
+ opts1 = DescOwn;
+ if (mss)
+ opts1 |= LargeSend | ((mss & MSSMask) << MSSShift);
+ else if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ const struct iphdr *ip = ip_hdr(skb);
+ if (ip->protocol == IPPROTO_TCP)
+ opts1 |= IPCS | TCPCS;
+ else if (ip->protocol == IPPROTO_UDP)
+ opts1 |= IPCS | UDPCS;
+ else {
+ WARN_ONCE(1,
+ "Net bug: asked to checksum invalid Legacy IP packet\n");
+ goto out_dma_error;
+ }
+ }
if (skb_shinfo(skb)->nr_frags == 0) {
struct cp_desc *txd = &cp->tx_ring[entry];
@@ -768,31 +785,20 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
txd->addr = cpu_to_le64(mapping);
wmb();
- flags = eor | len | DescOwn | FirstFrag | LastFrag;
-
- if (mss)
- flags |= LargeSend | ((mss & MSSMask) << MSSShift);
- else if (skb->ip_summed == CHECKSUM_PARTIAL) {
- const struct iphdr *ip = ip_hdr(skb);
- if (ip->protocol == IPPROTO_TCP)
- flags |= IPCS | TCPCS;
- else if (ip->protocol == IPPROTO_UDP)
- flags |= IPCS | UDPCS;
- else
- WARN_ON(1); /* we need a WARN() */
- }
+ opts1 |= eor | len | FirstFrag | LastFrag;
- txd->opts1 = cpu_to_le32(flags);
+ txd->opts1 = cpu_to_le32(opts1);
wmb();
cp->tx_skb[entry] = skb;
- entry = NEXT_TX(entry);
+ cp->tx_opts[entry] = opts1;
+ netif_dbg(cp, tx_queued, cp->dev, "tx queued, slot %d, skblen %d\n",
+ entry, skb->len);
} else {
struct cp_desc *txd;
- u32 first_len, first_eor;
+ u32 first_len, first_eor, ctrl;
dma_addr_t first_mapping;
int frag, first_entry = entry;
- const struct iphdr *ip = ip_hdr(skb);
/* We must give this initial chunk to the device last.
* Otherwise we could race with the device.
@@ -805,14 +811,14 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
goto out_dma_error;
cp->tx_skb[entry] = skb;
- entry = NEXT_TX(entry);
for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
const skb_frag_t *this_frag = &skb_shinfo(skb)->frags[frag];
u32 len;
- u32 ctrl;
dma_addr_t mapping;
+ entry = NEXT_TX(entry);
+
len = skb_frag_size(this_frag);
mapping = dma_map_single(&cp->pdev->dev,
skb_frag_address(this_frag),
@@ -824,19 +830,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
eor = (entry == (CP_TX_RING_SIZE - 1)) ? RingEnd : 0;
- ctrl = eor | len | DescOwn;
-
- if (mss)
- ctrl |= LargeSend |
- ((mss & MSSMask) << MSSShift);
- else if (skb->ip_summed == CHECKSUM_PARTIAL) {
- if (ip->protocol == IPPROTO_TCP)
- ctrl |= IPCS | TCPCS;
- else if (ip->protocol == IPPROTO_UDP)
- ctrl |= IPCS | UDPCS;
- else
- BUG();
- }
+ ctrl = opts1 | eor | len;
if (frag == skb_shinfo(skb)->nr_frags - 1)
ctrl |= LastFrag;
@@ -849,8 +843,8 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
txd->opts1 = cpu_to_le32(ctrl);
wmb();
+ cp->tx_opts[entry] = ctrl;
cp->tx_skb[entry] = skb;
- entry = NEXT_TX(entry);
}
txd = &cp->tx_ring[first_entry];
@@ -858,27 +852,17 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
txd->addr = cpu_to_le64(first_mapping);
wmb();
- if (skb->ip_summed == CHECKSUM_PARTIAL) {
- if (ip->protocol == IPPROTO_TCP)
- txd->opts1 = cpu_to_le32(first_eor | first_len |
- FirstFrag | DescOwn |
- IPCS | TCPCS);
- else if (ip->protocol == IPPROTO_UDP)
- txd->opts1 = cpu_to_le32(first_eor | first_len |
- FirstFrag | DescOwn |
- IPCS | UDPCS);
- else
- BUG();
- } else
- txd->opts1 = cpu_to_le32(first_eor | first_len |
- FirstFrag | DescOwn);
+ ctrl = opts1 | first_eor | first_len | FirstFrag;
+ txd->opts1 = cpu_to_le32(ctrl);
wmb();
+
+ cp->tx_opts[first_entry] = ctrl;
+ netif_dbg(cp, tx_queued, cp->dev, "tx queued, slots %d-%d, skblen %d\n",
+ first_entry, entry, skb->len);
}
- cp->tx_head = entry;
+ cp->tx_head = NEXT_TX(entry);
netdev_sent_queue(dev, skb->len);
- netif_dbg(cp, tx_queued, cp->dev, "tx queued, slot %d, skblen %d\n",
- entry, skb->len);
if (TX_BUFFS_AVAIL(cp) <= (MAX_SKB_FRAGS + 1))
netif_stop_queue(dev);
@@ -1115,6 +1099,7 @@ static int cp_init_rings (struct cp_private *cp)
{
memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE);
cp->tx_ring[CP_TX_RING_SIZE - 1].opts1 = cpu_to_le32(RingEnd);
+ memset(cp->tx_opts, 0, sizeof(cp->tx_opts));
cp_init_rings_index(cp);
@@ -1151,7 +1136,7 @@ static void cp_clean_rings (struct cp_private *cp)
desc = cp->rx_ring + i;
dma_unmap_single(&cp->pdev->dev,le64_to_cpu(desc->addr),
cp->rx_buf_sz, PCI_DMA_FROMDEVICE);
- dev_kfree_skb(cp->rx_skb[i]);
+ dev_kfree_skb_any(cp->rx_skb[i]);
}
}
@@ -1164,7 +1149,7 @@ static void cp_clean_rings (struct cp_private *cp)
le32_to_cpu(desc->opts1) & 0xffff,
PCI_DMA_TODEVICE);
if (le32_to_cpu(desc->opts1) & LastFrag)
- dev_kfree_skb(skb);
+ dev_kfree_skb_any(skb);
cp->dev->stats.tx_dropped++;
}
}
@@ -1172,6 +1157,7 @@ static void cp_clean_rings (struct cp_private *cp)
memset(cp->rx_ring, 0, sizeof(struct cp_desc) * CP_RX_RING_SIZE);
memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE);
+ memset(cp->tx_opts, 0, sizeof(cp->tx_opts));
memset(cp->rx_skb, 0, sizeof(struct sk_buff *) * CP_RX_RING_SIZE);
memset(cp->tx_skb, 0, sizeof(struct sk_buff *) * CP_TX_RING_SIZE);
@@ -1249,7 +1235,7 @@ static void cp_tx_timeout(struct net_device *dev)
{
struct cp_private *cp = netdev_priv(dev);
unsigned long flags;
- int rc;
+ int rc, i;
netdev_warn(dev, "Transmit timeout, status %2x %4x %4x %4x\n",
cpr8(Cmd), cpr16(CpCmd),
@@ -1257,13 +1243,26 @@ static void cp_tx_timeout(struct net_device *dev)
spin_lock_irqsave(&cp->lock, flags);
+ netif_dbg(cp, tx_err, cp->dev, "TX ring head %d tail %d desc %x\n",
+ cp->tx_head, cp->tx_tail, cpr16(TxDmaOkLowDesc));
+ for (i = 0; i < CP_TX_RING_SIZE; i++) {
+ netif_dbg(cp, tx_err, cp->dev,
+ "TX slot %d @%p: %08x (%08x) %08x %llx %p\n",
+ i, &cp->tx_ring[i], le32_to_cpu(cp->tx_ring[i].opts1),
+ cp->tx_opts[i], le32_to_cpu(cp->tx_ring[i].opts2),
+ le64_to_cpu(cp->tx_ring[i].addr),
+ cp->tx_skb[i]);
+ }
+
cp_stop_hw(cp);
cp_clean_rings(cp);
rc = cp_init_rings(cp);
cp_start_hw(cp);
- cp_enable_irq(cp);
+ __cp_set_rx_mode(dev);
+ cpw16_f(IntrMask, cp_norx_intr_mask);
netif_wake_queue(dev);
+ napi_schedule_irqoff(&cp->napi);
spin_unlock_irqrestore(&cp->lock, flags);
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index b735fa22ac95..ebf6abc4853f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -161,11 +161,16 @@ int stmmac_mdio_reset(struct mii_bus *bus)
if (!gpio_request(reset_gpio, "mdio-reset")) {
gpio_direction_output(reset_gpio, active_low ? 1 : 0);
- udelay(data->delays[0]);
+ if (data->delays[0])
+ msleep(DIV_ROUND_UP(data->delays[0], 1000));
+
gpio_set_value(reset_gpio, active_low ? 0 : 1);
- udelay(data->delays[1]);
+ if (data->delays[1])
+ msleep(DIV_ROUND_UP(data->delays[1], 1000));
+
gpio_set_value(reset_gpio, active_low ? 1 : 0);
- udelay(data->delays[2]);
+ if (data->delays[2])
+ msleep(DIV_ROUND_UP(data->delays[2], 1000));
}
}
#endif
diff --git a/drivers/net/ethernet/sun/sunvnet.c b/drivers/net/ethernet/sun/sunvnet.c
index 53fe200e0b79..cc106d892e29 100644
--- a/drivers/net/ethernet/sun/sunvnet.c
+++ b/drivers/net/ethernet/sun/sunvnet.c
@@ -1756,7 +1756,8 @@ static const struct net_device_ops vnet_ops = {
#endif
};
-static struct vnet *vnet_new(const u64 *local_mac)
+static struct vnet *vnet_new(const u64 *local_mac,
+ struct vio_dev *vdev)
{
struct net_device *dev;
struct vnet *vp;
@@ -1790,6 +1791,8 @@ static struct vnet *vnet_new(const u64 *local_mac)
NETIF_F_HW_CSUM | NETIF_F_SG;
dev->features = dev->hw_features;
+ SET_NETDEV_DEV(dev, &vdev->dev);
+
err = register_netdev(dev);
if (err) {
pr_err("Cannot register net device, aborting\n");
@@ -1808,7 +1811,8 @@ err_out_free_dev:
return ERR_PTR(err);
}
-static struct vnet *vnet_find_or_create(const u64 *local_mac)
+static struct vnet *vnet_find_or_create(const u64 *local_mac,
+ struct vio_dev *vdev)
{
struct vnet *iter, *vp;
@@ -1821,7 +1825,7 @@ static struct vnet *vnet_find_or_create(const u64 *local_mac)
}
}
if (!vp)
- vp = vnet_new(local_mac);
+ vp = vnet_new(local_mac, vdev);
mutex_unlock(&vnet_list_mutex);
return vp;
@@ -1848,7 +1852,8 @@ static void vnet_cleanup(void)
static const char *local_mac_prop = "local-mac-address";
static struct vnet *vnet_find_parent(struct mdesc_handle *hp,
- u64 port_node)
+ u64 port_node,
+ struct vio_dev *vdev)
{
const u64 *local_mac = NULL;
u64 a;
@@ -1869,7 +1874,7 @@ static struct vnet *vnet_find_parent(struct mdesc_handle *hp,
if (!local_mac)
return ERR_PTR(-ENODEV);
- return vnet_find_or_create(local_mac);
+ return vnet_find_or_create(local_mac, vdev);
}
static struct ldc_channel_config vnet_ldc_cfg = {
@@ -1923,7 +1928,7 @@ static int vnet_port_probe(struct vio_dev *vdev, const struct vio_device_id *id)
hp = mdesc_grab();
- vp = vnet_find_parent(hp, vdev->mp);
+ vp = vnet_find_parent(hp, vdev->mp, vdev);
if (IS_ERR(vp)) {
pr_err("Cannot find port parent vnet\n");
err = PTR_ERR(vp);
diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c
index 1a5aca55ea9f..9f9832f0dea9 100644
--- a/drivers/net/ethernet/ti/netcp_core.c
+++ b/drivers/net/ethernet/ti/netcp_core.c
@@ -291,13 +291,6 @@ static int netcp_module_probe(struct netcp_device *netcp_device,
interface_list) {
struct netcp_intf_modpriv *intf_modpriv;
- /* If interface not registered then register now */
- if (!netcp_intf->netdev_registered)
- ret = netcp_register_interface(netcp_intf);
-
- if (ret)
- return -ENODEV;
-
intf_modpriv = devm_kzalloc(dev, sizeof(*intf_modpriv),
GFP_KERNEL);
if (!intf_modpriv)
@@ -306,6 +299,11 @@ static int netcp_module_probe(struct netcp_device *netcp_device,
interface = of_parse_phandle(netcp_intf->node_interface,
module->name, 0);
+ if (!interface) {
+ devm_kfree(dev, intf_modpriv);
+ continue;
+ }
+
intf_modpriv->netcp_priv = netcp_intf;
intf_modpriv->netcp_module = module;
list_add_tail(&intf_modpriv->intf_list,
@@ -323,6 +321,18 @@ static int netcp_module_probe(struct netcp_device *netcp_device,
continue;
}
}
+
+ /* Now register the interface with netdev */
+ list_for_each_entry(netcp_intf,
+ &netcp_device->interface_head,
+ interface_list) {
+ /* If interface not registered then register now */
+ if (!netcp_intf->netdev_registered) {
+ ret = netcp_register_interface(netcp_intf);
+ if (ret)
+ return -ENODEV;
+ }
+ }
return 0;
}
@@ -357,7 +367,6 @@ int netcp_register_module(struct netcp_module *module)
if (ret < 0)
goto fail;
}
-
mutex_unlock(&netcp_modules_lock);
return 0;
@@ -796,7 +805,7 @@ static void netcp_rxpool_free(struct netcp_intf *netcp)
netcp->rx_pool = NULL;
}
-static void netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq)
+static int netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq)
{
struct knav_dma_desc *hwdesc;
unsigned int buf_len, dma_sz;
@@ -810,7 +819,7 @@ static void netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq)
hwdesc = knav_pool_desc_get(netcp->rx_pool);
if (IS_ERR_OR_NULL(hwdesc)) {
dev_dbg(netcp->ndev_dev, "out of rx pool desc\n");
- return;
+ return -ENOMEM;
}
if (likely(fdq == 0)) {
@@ -862,25 +871,26 @@ static void netcp_allocate_rx_buf(struct netcp_intf *netcp, int fdq)
knav_pool_desc_map(netcp->rx_pool, hwdesc, sizeof(*hwdesc), &dma,
&dma_sz);
knav_queue_push(netcp->rx_fdq[fdq], dma, sizeof(*hwdesc), 0);
- return;
+ return 0;
fail:
knav_pool_desc_put(netcp->rx_pool, hwdesc);
+ return -ENOMEM;
}
/* Refill Rx FDQ with descriptors & attached buffers */
static void netcp_rxpool_refill(struct netcp_intf *netcp)
{
u32 fdq_deficit[KNAV_DMA_FDQ_PER_CHAN] = {0};
- int i;
+ int i, ret = 0;
/* Calculate the FDQ deficit and refill */
for (i = 0; i < KNAV_DMA_FDQ_PER_CHAN && netcp->rx_fdq[i]; i++) {
fdq_deficit[i] = netcp->rx_queue_depths[i] -
knav_queue_get_count(netcp->rx_fdq[i]);
- while (fdq_deficit[i]--)
- netcp_allocate_rx_buf(netcp, i);
+ while (fdq_deficit[i]-- && !ret)
+ ret = netcp_allocate_rx_buf(netcp, i);
} /* end for fdqs */
}
@@ -893,12 +903,12 @@ static int netcp_rx_poll(struct napi_struct *napi, int budget)
packets = netcp_process_rx_packets(netcp, budget);
+ netcp_rxpool_refill(netcp);
if (packets < budget) {
napi_complete(&netcp->rx_napi);
knav_queue_enable_notify(netcp->rx_queue);
}
- netcp_rxpool_refill(netcp);
return packets;
}
@@ -1384,7 +1394,6 @@ static void netcp_addr_sweep_del(struct netcp_intf *netcp)
continue;
dev_dbg(netcp->ndev_dev, "deleting address %pM, type %x\n",
naddr->addr, naddr->type);
- mutex_lock(&netcp_modules_lock);
for_each_module(netcp, priv) {
module = priv->netcp_module;
if (!module->del_addr)
@@ -1393,7 +1402,6 @@ static void netcp_addr_sweep_del(struct netcp_intf *netcp)
naddr);
WARN_ON(error);
}
- mutex_unlock(&netcp_modules_lock);
netcp_addr_del(netcp, naddr);
}
}
@@ -1410,7 +1418,7 @@ static void netcp_addr_sweep_add(struct netcp_intf *netcp)
continue;
dev_dbg(netcp->ndev_dev, "adding address %pM, type %x\n",
naddr->addr, naddr->type);
- mutex_lock(&netcp_modules_lock);
+
for_each_module(netcp, priv) {
module = priv->netcp_module;
if (!module->add_addr)
@@ -1418,7 +1426,6 @@ static void netcp_addr_sweep_add(struct netcp_intf *netcp)
error = module->add_addr(priv->module_priv, naddr);
WARN_ON(error);
}
- mutex_unlock(&netcp_modules_lock);
}
}
@@ -1432,6 +1439,7 @@ static void netcp_set_rx_mode(struct net_device *ndev)
ndev->flags & IFF_ALLMULTI ||
netdev_mc_count(ndev) > NETCP_MAX_MCAST_ADDR);
+ spin_lock(&netcp->lock);
/* first clear all marks */
netcp_addr_clear_mark(netcp);
@@ -1450,6 +1458,7 @@ static void netcp_set_rx_mode(struct net_device *ndev)
/* finally sweep and callout into modules */
netcp_addr_sweep_del(netcp);
netcp_addr_sweep_add(netcp);
+ spin_unlock(&netcp->lock);
}
static void netcp_free_navigator_resources(struct netcp_intf *netcp)
@@ -1614,7 +1623,6 @@ static int netcp_ndo_open(struct net_device *ndev)
goto fail;
}
- mutex_lock(&netcp_modules_lock);
for_each_module(netcp, intf_modpriv) {
module = intf_modpriv->netcp_module;
if (module->open) {
@@ -1625,7 +1633,6 @@ static int netcp_ndo_open(struct net_device *ndev)
}
}
}
- mutex_unlock(&netcp_modules_lock);
napi_enable(&netcp->rx_napi);
napi_enable(&netcp->tx_napi);
@@ -1642,7 +1649,6 @@ fail_open:
if (module->close)
module->close(intf_modpriv->module_priv, ndev);
}
- mutex_unlock(&netcp_modules_lock);
fail:
netcp_free_navigator_resources(netcp);
@@ -1666,7 +1672,6 @@ static int netcp_ndo_stop(struct net_device *ndev)
napi_disable(&netcp->rx_napi);
napi_disable(&netcp->tx_napi);
- mutex_lock(&netcp_modules_lock);
for_each_module(netcp, intf_modpriv) {
module = intf_modpriv->netcp_module;
if (module->close) {
@@ -1675,7 +1680,6 @@ static int netcp_ndo_stop(struct net_device *ndev)
dev_err(netcp->ndev_dev, "Close failed\n");
}
}
- mutex_unlock(&netcp_modules_lock);
/* Recycle Rx descriptors from completion queue */
netcp_empty_rx_queue(netcp);
@@ -1703,7 +1707,6 @@ static int netcp_ndo_ioctl(struct net_device *ndev,
if (!netif_running(ndev))
return -EINVAL;
- mutex_lock(&netcp_modules_lock);
for_each_module(netcp, intf_modpriv) {
module = intf_modpriv->netcp_module;
if (!module->ioctl)
@@ -1719,7 +1722,6 @@ static int netcp_ndo_ioctl(struct net_device *ndev,
}
out:
- mutex_unlock(&netcp_modules_lock);
return (ret == 0) ? 0 : err;
}
@@ -1754,11 +1756,12 @@ static int netcp_rx_add_vid(struct net_device *ndev, __be16 proto, u16 vid)
struct netcp_intf *netcp = netdev_priv(ndev);
struct netcp_intf_modpriv *intf_modpriv;
struct netcp_module *module;
+ unsigned long flags;
int err = 0;
dev_dbg(netcp->ndev_dev, "adding rx vlan id: %d\n", vid);
- mutex_lock(&netcp_modules_lock);
+ spin_lock_irqsave(&netcp->lock, flags);
for_each_module(netcp, intf_modpriv) {
module = intf_modpriv->netcp_module;
if ((module->add_vid) && (vid != 0)) {
@@ -1770,7 +1773,8 @@ static int netcp_rx_add_vid(struct net_device *ndev, __be16 proto, u16 vid)
}
}
}
- mutex_unlock(&netcp_modules_lock);
+ spin_unlock_irqrestore(&netcp->lock, flags);
+
return err;
}
@@ -1779,11 +1783,12 @@ static int netcp_rx_kill_vid(struct net_device *ndev, __be16 proto, u16 vid)
struct netcp_intf *netcp = netdev_priv(ndev);
struct netcp_intf_modpriv *intf_modpriv;
struct netcp_module *module;
+ unsigned long flags;
int err = 0;
dev_dbg(netcp->ndev_dev, "removing rx vlan id: %d\n", vid);
- mutex_lock(&netcp_modules_lock);
+ spin_lock_irqsave(&netcp->lock, flags);
for_each_module(netcp, intf_modpriv) {
module = intf_modpriv->netcp_module;
if (module->del_vid) {
@@ -1795,7 +1800,7 @@ static int netcp_rx_kill_vid(struct net_device *ndev, __be16 proto, u16 vid)
}
}
}
- mutex_unlock(&netcp_modules_lock);
+ spin_unlock_irqrestore(&netcp->lock, flags);
return err;
}
@@ -2040,7 +2045,6 @@ static int netcp_probe(struct platform_device *pdev)
struct device_node *child, *interfaces;
struct netcp_device *netcp_device;
struct device *dev = &pdev->dev;
- struct netcp_module *module;
int ret;
if (!node) {
@@ -2087,14 +2091,6 @@ static int netcp_probe(struct platform_device *pdev)
/* Add the device instance to the list */
list_add_tail(&netcp_device->device_list, &netcp_devices);
- /* Probe & attach any modules already registered */
- mutex_lock(&netcp_modules_lock);
- for_each_netcp_module(module) {
- ret = netcp_module_probe(netcp_device, module);
- if (ret < 0)
- dev_err(dev, "module(%s) probe failed\n", module->name);
- }
- mutex_unlock(&netcp_modules_lock);
return 0;
probe_quit_interface:
diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c
index 6f16d6aaf7b7..6bff8d82ceab 100644
--- a/drivers/net/ethernet/ti/netcp_ethss.c
+++ b/drivers/net/ethernet/ti/netcp_ethss.c
@@ -77,6 +77,7 @@
#define GBENU_ALE_OFFSET 0x1e000
#define GBENU_HOST_PORT_NUM 0
#define GBENU_NUM_ALE_ENTRIES 1024
+#define GBENU_SGMII_MODULE_SIZE 0x100
/* 10G Ethernet SS defines */
#define XGBE_MODULE_NAME "netcp-xgbe"
@@ -149,8 +150,8 @@
#define XGBE_STATS2_MODULE 2
/* s: 0-based slave_port */
-#define SGMII_BASE(s) \
- (((s) < 2) ? gbe_dev->sgmii_port_regs : gbe_dev->sgmii_port34_regs)
+#define SGMII_BASE(d, s) \
+ (((s) < 2) ? (d)->sgmii_port_regs : (d)->sgmii_port34_regs)
#define GBE_TX_QUEUE 648
#define GBE_TXHOOK_ORDER 0
@@ -1997,13 +1998,8 @@ static void netcp_ethss_update_link_state(struct gbe_priv *gbe_dev,
return;
if (!SLAVE_LINK_IS_XGMII(slave)) {
- if (gbe_dev->ss_version == GBE_SS_VERSION_14)
- sgmii_link_state =
- netcp_sgmii_get_port_link(SGMII_BASE(sp), sp);
- else
- sgmii_link_state =
- netcp_sgmii_get_port_link(
- gbe_dev->sgmii_port_regs, sp);
+ sgmii_link_state =
+ netcp_sgmii_get_port_link(SGMII_BASE(gbe_dev, sp), sp);
}
phy_link_state = gbe_phy_link_status(slave);
@@ -2100,17 +2096,11 @@ static void gbe_port_config(struct gbe_priv *gbe_dev, struct gbe_slave *slave,
static void gbe_sgmii_rtreset(struct gbe_priv *priv,
struct gbe_slave *slave, bool set)
{
- void __iomem *sgmii_port_regs;
-
if (SLAVE_LINK_IS_XGMII(slave))
return;
- if ((priv->ss_version == GBE_SS_VERSION_14) && (slave->slave_num >= 2))
- sgmii_port_regs = priv->sgmii_port34_regs;
- else
- sgmii_port_regs = priv->sgmii_port_regs;
-
- netcp_sgmii_rtreset(sgmii_port_regs, slave->slave_num, set);
+ netcp_sgmii_rtreset(SGMII_BASE(priv, slave->slave_num),
+ slave->slave_num, set);
}
static void gbe_slave_stop(struct gbe_intf *intf)
@@ -2136,17 +2126,12 @@ static void gbe_slave_stop(struct gbe_intf *intf)
static void gbe_sgmii_config(struct gbe_priv *priv, struct gbe_slave *slave)
{
- void __iomem *sgmii_port_regs;
-
- sgmii_port_regs = priv->sgmii_port_regs;
- if ((priv->ss_version == GBE_SS_VERSION_14) && (slave->slave_num >= 2))
- sgmii_port_regs = priv->sgmii_port34_regs;
+ if (SLAVE_LINK_IS_XGMII(slave))
+ return;
- if (!SLAVE_LINK_IS_XGMII(slave)) {
- netcp_sgmii_reset(sgmii_port_regs, slave->slave_num);
- netcp_sgmii_config(sgmii_port_regs, slave->slave_num,
- slave->link_interface);
- }
+ netcp_sgmii_reset(SGMII_BASE(priv, slave->slave_num), slave->slave_num);
+ netcp_sgmii_config(SGMII_BASE(priv, slave->slave_num), slave->slave_num,
+ slave->link_interface);
}
static int gbe_slave_open(struct gbe_intf *gbe_intf)
@@ -2997,6 +2982,14 @@ static int set_gbenu_ethss_priv(struct gbe_priv *gbe_dev,
gbe_dev->switch_regs = regs;
gbe_dev->sgmii_port_regs = gbe_dev->ss_regs + GBENU_SGMII_MODULE_OFFSET;
+
+ /* Although sgmii modules are mem mapped to one contiguous
+ * region on GBENU devices, setting sgmii_port34_regs allows
+ * consistent code when accessing sgmii api
+ */
+ gbe_dev->sgmii_port34_regs = gbe_dev->sgmii_port_regs +
+ (2 * GBENU_SGMII_MODULE_SIZE);
+
gbe_dev->host_port_regs = gbe_dev->switch_regs + GBENU_HOST_PORT_OFFSET;
for (i = 0; i < (gbe_dev->max_num_ports); i++)
diff --git a/drivers/net/ethernet/via/Kconfig b/drivers/net/ethernet/via/Kconfig
index 2f1264b882b9..d3d094742a7e 100644
--- a/drivers/net/ethernet/via/Kconfig
+++ b/drivers/net/ethernet/via/Kconfig
@@ -17,7 +17,7 @@ if NET_VENDOR_VIA
config VIA_RHINE
tristate "VIA Rhine support"
- depends on (PCI || OF_IRQ)
+ depends on PCI || (OF_IRQ && GENERIC_PCI_IOMAP)
depends on HAS_DMA
select CRC32
select MII
diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
index 6008eee01a33..cf468c87ce57 100644
--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
@@ -828,6 +828,8 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
if (!phydev)
dev_info(dev,
"MDIO of the phy is not registered yet\n");
+ else
+ put_device(&phydev->dev);
return 0;
}
diff --git a/drivers/net/fjes/fjes_hw.c b/drivers/net/fjes/fjes_hw.c
index b5f4a78da828..2d3848c9dc35 100644
--- a/drivers/net/fjes/fjes_hw.c
+++ b/drivers/net/fjes/fjes_hw.c
@@ -1011,11 +1011,11 @@ static void fjes_hw_update_zone_task(struct work_struct *work)
set_bit(epidx, &irq_bit);
break;
}
- }
-
- hw->ep_shm_info[epidx].es_status = info[epidx].es_status;
- hw->ep_shm_info[epidx].zone = info[epidx].zone;
+ hw->ep_shm_info[epidx].es_status =
+ info[epidx].es_status;
+ hw->ep_shm_info[epidx].zone = info[epidx].zone;
+ }
break;
}
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index da3259ce7c8d..8f5c02eed47d 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -126,6 +126,8 @@ static void geneve_rx(struct geneve_sock *gs, struct sk_buff *skb)
__be32 addr;
int err;
+ iph = ip_hdr(skb); /* outer IP header... */
+
if (gs->collect_md) {
static u8 zero_vni[3];
@@ -133,7 +135,6 @@ static void geneve_rx(struct geneve_sock *gs, struct sk_buff *skb)
addr = 0;
} else {
vni = gnvh->vni;
- iph = ip_hdr(skb); /* Still outer IP header... */
addr = iph->saddr;
}
@@ -178,7 +179,6 @@ static void geneve_rx(struct geneve_sock *gs, struct sk_buff *skb)
skb_reset_network_header(skb);
- iph = ip_hdr(skb); /* Now inner IP header... */
err = IP_ECN_decapsulate(iph, skb);
if (unlikely(err)) {
@@ -626,6 +626,7 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev)
struct geneve_sock *gs = geneve->sock;
struct ip_tunnel_info *info = NULL;
struct rtable *rt = NULL;
+ const struct iphdr *iip; /* interior IP header */
struct flowi4 fl4;
__u8 tos, ttl;
__be16 sport;
@@ -653,6 +654,8 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev)
sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
skb_reset_mac_header(skb);
+ iip = ip_hdr(skb);
+
if (info) {
const struct ip_tunnel_key *key = &info->key;
u8 *opts = NULL;
@@ -668,19 +671,16 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev)
if (unlikely(err))
goto err;
- tos = key->tos;
+ tos = ip_tunnel_ecn_encap(key->tos, iip, skb);
ttl = key->ttl;
df = key->tun_flags & TUNNEL_DONT_FRAGMENT ? htons(IP_DF) : 0;
} else {
- const struct iphdr *iip; /* interior IP header */
-
udp_csum = false;
err = geneve_build_skb(rt, skb, 0, geneve->vni,
0, NULL, udp_csum);
if (unlikely(err))
goto err;
- iip = ip_hdr(skb);
tos = ip_tunnel_ecn_encap(fl4.flowi4_tos, iip, skb);
ttl = geneve->ttl;
if (!ttl && IN_MULTICAST(ntohl(fl4.daddr)))
@@ -748,12 +748,8 @@ static void geneve_setup(struct net_device *dev)
dev->features |= NETIF_F_RXCSUM;
dev->features |= NETIF_F_GSO_SOFTWARE;
- dev->vlan_features = dev->features;
- dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX;
-
dev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_RXCSUM;
dev->hw_features |= NETIF_F_GSO_SOFTWARE;
- dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX;
netif_keep_dst(dev);
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_NO_QUEUE;
@@ -819,7 +815,7 @@ static struct geneve_dev *geneve_find_dev(struct geneve_net *gn,
static int geneve_configure(struct net *net, struct net_device *dev,
__be32 rem_addr, __u32 vni, __u8 ttl, __u8 tos,
- __u16 dst_port, bool metadata)
+ __be16 dst_port, bool metadata)
{
struct geneve_net *gn = net_generic(net, geneve_net_id);
struct geneve_dev *t, *geneve = netdev_priv(dev);
@@ -844,10 +840,10 @@ static int geneve_configure(struct net *net, struct net_device *dev,
geneve->ttl = ttl;
geneve->tos = tos;
- geneve->dst_port = htons(dst_port);
+ geneve->dst_port = dst_port;
geneve->collect_md = metadata;
- t = geneve_find_dev(gn, htons(dst_port), rem_addr, geneve->vni,
+ t = geneve_find_dev(gn, dst_port, rem_addr, geneve->vni,
&tun_on_same_port, &tun_collect_md);
if (t)
return -EBUSY;
@@ -871,7 +867,7 @@ static int geneve_configure(struct net *net, struct net_device *dev,
static int geneve_newlink(struct net *net, struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[])
{
- __u16 dst_port = GENEVE_UDP_PORT;
+ __be16 dst_port = htons(GENEVE_UDP_PORT);
__u8 ttl = 0, tos = 0;
bool metadata = false;
__be32 rem_addr;
@@ -890,7 +886,7 @@ static int geneve_newlink(struct net *net, struct net_device *dev,
tos = nla_get_u8(data[IFLA_GENEVE_TOS]);
if (data[IFLA_GENEVE_PORT])
- dst_port = nla_get_u16(data[IFLA_GENEVE_PORT]);
+ dst_port = nla_get_be16(data[IFLA_GENEVE_PORT]);
if (data[IFLA_GENEVE_COLLECT_METADATA])
metadata = true;
@@ -913,7 +909,7 @@ static size_t geneve_get_size(const struct net_device *dev)
nla_total_size(sizeof(struct in_addr)) + /* IFLA_GENEVE_REMOTE */
nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_TTL */
nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_TOS */
- nla_total_size(sizeof(__u16)) + /* IFLA_GENEVE_PORT */
+ nla_total_size(sizeof(__be16)) + /* IFLA_GENEVE_PORT */
nla_total_size(0) + /* IFLA_GENEVE_COLLECT_METADATA */
0;
}
@@ -935,7 +931,7 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev)
nla_put_u8(skb, IFLA_GENEVE_TOS, geneve->tos))
goto nla_put_failure;
- if (nla_put_u16(skb, IFLA_GENEVE_PORT, ntohs(geneve->dst_port)))
+ if (nla_put_be16(skb, IFLA_GENEVE_PORT, geneve->dst_port))
goto nla_put_failure;
if (geneve->collect_md) {
@@ -975,7 +971,7 @@ struct net_device *geneve_dev_create_fb(struct net *net, const char *name,
if (IS_ERR(dev))
return dev;
- err = geneve_configure(net, dev, 0, 0, 0, 0, dst_port, true);
+ err = geneve_configure(net, dev, 0, 0, 0, 0, htons(dst_port), true);
if (err) {
free_netdev(dev);
return ERR_PTR(err);
diff --git a/drivers/net/irda/ali-ircc.c b/drivers/net/irda/ali-ircc.c
index 58ae11a14bb6..64bb44d5d867 100644
--- a/drivers/net/irda/ali-ircc.c
+++ b/drivers/net/irda/ali-ircc.c
@@ -1031,7 +1031,6 @@ static void ali_ircc_fir_change_speed(struct ali_ircc_cb *priv, __u32 baud)
static void ali_ircc_sir_change_speed(struct ali_ircc_cb *priv, __u32 speed)
{
struct ali_ircc_cb *self = priv;
- unsigned long flags;
int iobase;
int fcr; /* FIFO control reg */
int lcr; /* Line control reg */
@@ -1061,8 +1060,6 @@ static void ali_ircc_sir_change_speed(struct ali_ircc_cb *priv, __u32 speed)
/* Update accounting for new speed */
self->io.speed = speed;
- spin_lock_irqsave(&self->lock, flags);
-
divisor = 115200/speed;
fcr = UART_FCR_ENABLE_FIFO;
@@ -1089,9 +1086,6 @@ static void ali_ircc_sir_change_speed(struct ali_ircc_cb *priv, __u32 speed)
/* without this, the connection will be broken after come back from FIR speed,
but with this, the SIR connection is harder to established */
outb((UART_MCR_DTR | UART_MCR_RTS | UART_MCR_OUT2), iobase+UART_MCR);
-
- spin_unlock_irqrestore(&self->lock, flags);
-
}
static void ali_ircc_change_dongle_speed(struct ali_ircc_cb *priv, int speed)
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index edd77342773a..248478c6f6e4 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -1111,10 +1111,10 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd,
return 0;
case TUNSETSNDBUF:
- if (get_user(u, up))
+ if (get_user(s, sp))
return -EFAULT;
- q->sk.sk_sndbuf = u;
+ q->sk.sk_sndbuf = s;
return 0;
case TUNGETVNETHDRSZ:
diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c
index fb1299c6326e..e23bf5b90e17 100644
--- a/drivers/net/phy/fixed_phy.c
+++ b/drivers/net/phy/fixed_phy.c
@@ -220,7 +220,7 @@ int fixed_phy_update_state(struct phy_device *phydev,
struct fixed_mdio_bus *fmb = &platform_fmb;
struct fixed_phy *fp;
- if (!phydev || !phydev->bus)
+ if (!phydev || phydev->bus != fmb->mii_bus)
return -EINVAL;
list_for_each_entry(fp, &fmb->phys, node) {
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index e6897b6a8a53..5de8d5827536 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -785,6 +785,7 @@ static int marvell_read_status(struct phy_device *phydev)
int adv;
int err;
int lpa;
+ int lpagb;
int status = 0;
/* Update the link, but return if there
@@ -802,10 +803,17 @@ static int marvell_read_status(struct phy_device *phydev)
if (lpa < 0)
return lpa;
+ lpagb = phy_read(phydev, MII_STAT1000);
+ if (lpagb < 0)
+ return lpagb;
+
adv = phy_read(phydev, MII_ADVERTISE);
if (adv < 0)
return adv;
+ phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb) |
+ mii_lpa_to_ethtool_lpa_t(lpa);
+
lpa &= adv;
if (status & MII_M1011_PHY_STATUS_FULLDUPLEX)
@@ -853,6 +861,7 @@ static int marvell_read_status(struct phy_device *phydev)
phydev->speed = SPEED_10;
phydev->pause = phydev->asym_pause = 0;
+ phydev->lp_advertising = 0;
}
return 0;
diff --git a/drivers/net/phy/mdio-bcm-unimac.c b/drivers/net/phy/mdio-bcm-unimac.c
index 6a52a7f0fa0d..4bde5e728fe0 100644
--- a/drivers/net/phy/mdio-bcm-unimac.c
+++ b/drivers/net/phy/mdio-bcm-unimac.c
@@ -244,6 +244,7 @@ static const struct of_device_id unimac_mdio_ids[] = {
{ .compatible = "brcm,unimac-mdio", },
{ /* sentinel */ },
};
+MODULE_DEVICE_TABLE(of, unimac_mdio_ids);
static struct platform_driver unimac_mdio_driver = {
.driver = {
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 7dc21e56a7aa..3bc9f03349f3 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -261,6 +261,7 @@ static const struct of_device_id mdio_gpio_of_match[] = {
{ .compatible = "virtual,mdio-gpio", },
{ /* sentinel */ }
};
+MODULE_DEVICE_TABLE(of, mdio_gpio_of_match);
static struct platform_driver mdio_gpio_driver = {
.probe = mdio_gpio_probe,
diff --git a/drivers/net/phy/mdio-mux.c b/drivers/net/phy/mdio-mux.c
index 4d4d25efc1e1..280c7c311f72 100644
--- a/drivers/net/phy/mdio-mux.c
+++ b/drivers/net/phy/mdio-mux.c
@@ -113,18 +113,18 @@ int mdio_mux_init(struct device *dev,
if (!parent_bus_node)
return -ENODEV;
- parent_bus = of_mdio_find_bus(parent_bus_node);
- if (parent_bus == NULL) {
- ret_val = -EPROBE_DEFER;
- goto err_parent_bus;
- }
-
pb = devm_kzalloc(dev, sizeof(*pb), GFP_KERNEL);
if (pb == NULL) {
ret_val = -ENOMEM;
goto err_parent_bus;
}
+ parent_bus = of_mdio_find_bus(parent_bus_node);
+ if (parent_bus == NULL) {
+ ret_val = -EPROBE_DEFER;
+ goto err_parent_bus;
+ }
+
pb->switch_data = data;
pb->switch_fn = switch_fn;
pb->current_child = -1;
@@ -173,6 +173,10 @@ int mdio_mux_init(struct device *dev,
dev_info(dev, "Version " DRV_VERSION "\n");
return 0;
}
+
+ /* balance the reference of_mdio_find_bus() took */
+ put_device(&pb->mii_bus->dev);
+
err_parent_bus:
of_node_put(parent_bus_node);
return ret_val;
@@ -189,6 +193,9 @@ void mdio_mux_uninit(void *mux_handle)
mdiobus_free(cb->mii_bus);
cb = cb->next;
}
+
+ /* balance the reference of_mdio_find_bus() in mdio_mux_init() took */
+ put_device(&pb->mii_bus->dev);
}
EXPORT_SYMBOL_GPL(mdio_mux_uninit);
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 02a4615b65f8..12f44c53cc8e 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -167,7 +167,9 @@ static int of_mdio_bus_match(struct device *dev, const void *mdio_bus_np)
* of_mdio_find_bus - Given an mii_bus node, find the mii_bus.
* @mdio_bus_np: Pointer to the mii_bus.
*
- * Returns a pointer to the mii_bus, or NULL if none found.
+ * Returns a reference to the mii_bus, or NULL if none found. The
+ * embedded struct device will have its reference count incremented,
+ * and this must be put once the bus is finished with.
*
* Because the association of a device_node and mii_bus is made via
* of_mdiobus_register(), the mii_bus cannot be found before it is
@@ -234,15 +236,18 @@ static inline void of_mdiobus_link_phydev(struct mii_bus *mdio,
#endif
/**
- * mdiobus_register - bring up all the PHYs on a given bus and attach them to bus
+ * __mdiobus_register - bring up all the PHYs on a given bus and attach them to bus
* @bus: target mii_bus
+ * @owner: module containing bus accessor functions
*
* Description: Called by a bus driver to bring up all the PHYs
- * on a given bus, and attach them to the bus.
+ * on a given bus, and attach them to the bus. Drivers should use
+ * mdiobus_register() rather than __mdiobus_register() unless they
+ * need to pass a specific owner module.
*
* Returns 0 on success or < 0 on error.
*/
-int mdiobus_register(struct mii_bus *bus)
+int __mdiobus_register(struct mii_bus *bus, struct module *owner)
{
int i, err;
@@ -253,6 +258,7 @@ int mdiobus_register(struct mii_bus *bus)
BUG_ON(bus->state != MDIOBUS_ALLOCATED &&
bus->state != MDIOBUS_UNREGISTERED);
+ bus->owner = owner;
bus->dev.parent = bus->parent;
bus->dev.class = &mdio_bus_class;
bus->dev.groups = NULL;
@@ -288,13 +294,16 @@ int mdiobus_register(struct mii_bus *bus)
error:
while (--i >= 0) {
- if (bus->phy_map[i])
- device_unregister(&bus->phy_map[i]->dev);
+ struct phy_device *phydev = bus->phy_map[i];
+ if (phydev) {
+ phy_device_remove(phydev);
+ phy_device_free(phydev);
+ }
}
device_del(&bus->dev);
return err;
}
-EXPORT_SYMBOL(mdiobus_register);
+EXPORT_SYMBOL(__mdiobus_register);
void mdiobus_unregister(struct mii_bus *bus)
{
@@ -304,9 +313,11 @@ void mdiobus_unregister(struct mii_bus *bus)
bus->state = MDIOBUS_UNREGISTERED;
for (i = 0; i < PHY_MAX_ADDR; i++) {
- if (bus->phy_map[i])
- device_unregister(&bus->phy_map[i]->dev);
- bus->phy_map[i] = NULL;
+ struct phy_device *phydev = bus->phy_map[i];
+ if (phydev) {
+ phy_device_remove(phydev);
+ phy_device_free(phydev);
+ }
}
device_del(&bus->dev);
}
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index c0f211127274..f761288abe66 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -384,6 +384,24 @@ int phy_device_register(struct phy_device *phydev)
EXPORT_SYMBOL(phy_device_register);
/**
+ * phy_device_remove - Remove a previously registered phy device from the MDIO bus
+ * @phydev: phy_device structure to remove
+ *
+ * This doesn't free the phy_device itself, it merely reverses the effects
+ * of phy_device_register(). Use phy_device_free() to free the device
+ * after calling this function.
+ */
+void phy_device_remove(struct phy_device *phydev)
+{
+ struct mii_bus *bus = phydev->bus;
+ int addr = phydev->addr;
+
+ device_del(&phydev->dev);
+ bus->phy_map[addr] = NULL;
+}
+EXPORT_SYMBOL(phy_device_remove);
+
+/**
* phy_find_first - finds the first PHY device on the bus
* @bus: the target MII bus
*/
@@ -578,14 +596,22 @@ EXPORT_SYMBOL(phy_init_hw);
* generic driver is used. The phy_device is given a ptr to
* the attaching device, and given a callback for link status
* change. The phy_device is returned to the attaching driver.
+ * This function takes a reference on the phy device.
*/
int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
u32 flags, phy_interface_t interface)
{
+ struct mii_bus *bus = phydev->bus;
struct device *d = &phydev->dev;
- struct module *bus_module;
int err;
+ if (!try_module_get(bus->owner)) {
+ dev_err(&dev->dev, "failed to get the bus module\n");
+ return -EIO;
+ }
+
+ get_device(d);
+
/* Assume that if there is no driver, that it doesn't
* exist, and we should use the genphy driver.
*/
@@ -600,20 +626,13 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
err = device_bind_driver(d);
if (err)
- return err;
+ goto error;
}
if (phydev->attached_dev) {
dev_err(&dev->dev, "PHY already attached\n");
- return -EBUSY;
- }
-
- /* Increment the bus module reference count */
- bus_module = phydev->bus->dev.driver ?
- phydev->bus->dev.driver->owner : NULL;
- if (!try_module_get(bus_module)) {
- dev_err(&dev->dev, "failed to get the bus module\n");
- return -EIO;
+ err = -EBUSY;
+ goto error;
}
phydev->attached_dev = dev;
@@ -636,6 +655,11 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
phy_resume(phydev);
return err;
+
+error:
+ put_device(d);
+ module_put(bus->owner);
+ return err;
}
EXPORT_SYMBOL(phy_attach_direct);
@@ -677,14 +701,15 @@ EXPORT_SYMBOL(phy_attach);
/**
* phy_detach - detach a PHY device from its network device
* @phydev: target phy_device struct
+ *
+ * This detaches the phy device from its network device and the phy
+ * driver, and drops the reference count taken in phy_attach_direct().
*/
void phy_detach(struct phy_device *phydev)
{
+ struct mii_bus *bus;
int i;
- if (phydev->bus->dev.driver)
- module_put(phydev->bus->dev.driver->owner);
-
phydev->attached_dev->phydev = NULL;
phydev->attached_dev = NULL;
phy_suspend(phydev);
@@ -700,6 +725,15 @@ void phy_detach(struct phy_device *phydev)
break;
}
}
+
+ /*
+ * The phydev might go away on the put_device() below, so avoid
+ * a use-after-free bug by reading the underlying bus first.
+ */
+ bus = phydev->bus;
+
+ put_device(&phydev->dev);
+ module_put(bus->owner);
}
EXPORT_SYMBOL(phy_detach);
diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c
index 17cad185169d..76cad712ddb2 100644
--- a/drivers/net/phy/vitesse.c
+++ b/drivers/net/phy/vitesse.c
@@ -66,7 +66,6 @@
#define PHY_ID_VSC8244 0x000fc6c0
#define PHY_ID_VSC8514 0x00070670
#define PHY_ID_VSC8574 0x000704a0
-#define PHY_ID_VSC8641 0x00070431
#define PHY_ID_VSC8662 0x00070660
#define PHY_ID_VSC8221 0x000fc550
#define PHY_ID_VSC8211 0x000fc4b0
@@ -273,18 +272,6 @@ static struct phy_driver vsc82xx_driver[] = {
.config_intr = &vsc82xx_config_intr,
.driver = { .owner = THIS_MODULE,},
}, {
- .phy_id = PHY_ID_VSC8641,
- .name = "Vitesse VSC8641",
- .phy_id_mask = 0x000ffff0,
- .features = PHY_GBIT_FEATURES,
- .flags = PHY_HAS_INTERRUPT,
- .config_init = &vsc824x_config_init,
- .config_aneg = &vsc82x4_config_aneg,
- .read_status = &genphy_read_status,
- .ack_interrupt = &vsc824x_ack_interrupt,
- .config_intr = &vsc82xx_config_intr,
- .driver = { .owner = THIS_MODULE,},
-}, {
.phy_id = PHY_ID_VSC8662,
.name = "Vitesse VSC8662",
.phy_id_mask = 0x000ffff0,
@@ -331,7 +318,6 @@ static struct mdio_device_id __maybe_unused vitesse_tbl[] = {
{ PHY_ID_VSC8244, 0x000fffc0 },
{ PHY_ID_VSC8514, 0x000ffff0 },
{ PHY_ID_VSC8574, 0x000ffff0 },
- { PHY_ID_VSC8641, 0x000ffff0 },
{ PHY_ID_VSC8662, 0x000ffff0 },
{ PHY_ID_VSC8221, 0x000ffff0 },
{ PHY_ID_VSC8211, 0x000ffff0 },
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 0481daf9201a..ed00446759b2 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -2755,6 +2755,7 @@ static struct ppp *ppp_create_interface(struct net *net, int unit,
*/
dev_net_set(dev, net);
+ rtnl_lock();
mutex_lock(&pn->all_ppp_mutex);
if (unit < 0) {
@@ -2785,7 +2786,7 @@ static struct ppp *ppp_create_interface(struct net *net, int unit,
ppp->file.index = unit;
sprintf(dev->name, "ppp%d", unit);
- ret = register_netdev(dev);
+ ret = register_netdevice(dev);
if (ret != 0) {
unit_put(&pn->units_idr, unit);
netdev_err(ppp->dev, "PPP: couldn't register device %s (%d)\n",
@@ -2797,6 +2798,7 @@ static struct ppp *ppp_create_interface(struct net *net, int unit,
atomic_inc(&ppp_unit_count);
mutex_unlock(&pn->all_ppp_mutex);
+ rtnl_unlock();
*retp = 0;
return ppp;
diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index 1610b79ae386..fbb9325d1f6e 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -583,4 +583,15 @@ config USB_VL600
http://ubuntuforums.org/showpost.php?p=10589647&postcount=17
+config USB_NET_CH9200
+ tristate "QingHeng CH9200 USB ethernet support"
+ depends on USB_USBNET
+ select MII
+ help
+ Choose this option if you have a USB ethernet adapter with a QinHeng
+ CH9200 chipset.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ch9200.
+
endif # USB_NET_DRIVERS
diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile
index cf6a0e610a7f..b5f04068dbe4 100644
--- a/drivers/net/usb/Makefile
+++ b/drivers/net/usb/Makefile
@@ -38,4 +38,4 @@ obj-$(CONFIG_USB_NET_HUAWEI_CDC_NCM) += huawei_cdc_ncm.o
obj-$(CONFIG_USB_VL600) += lg-vl600.o
obj-$(CONFIG_USB_NET_QMI_WWAN) += qmi_wwan.o
obj-$(CONFIG_USB_NET_CDC_MBIM) += cdc_mbim.o
-
+obj-$(CONFIG_USB_NET_CH9200) += ch9200.o
diff --git a/drivers/net/usb/ch9200.c b/drivers/net/usb/ch9200.c
new file mode 100644
index 000000000000..5e151e6a3e09
--- /dev/null
+++ b/drivers/net/usb/ch9200.c
@@ -0,0 +1,432 @@
+/*
+ * USB 10M/100M ethernet adapter
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/stddef.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+#include <linux/crc32.h>
+#include <linux/usb/usbnet.h>
+#include <linux/slab.h>
+
+#define CH9200_VID 0x1A86
+#define CH9200_PID_E092 0xE092
+
+#define CTRL_TIMEOUT_MS 1000
+
+#define CONTROL_TIMEOUT_MS 1000
+
+#define REQUEST_READ 0x0E
+#define REQUEST_WRITE 0x0F
+
+/* Address space:
+ * 00-63 : MII
+ * 64-128: MAC
+ *
+ * Note: all accesses must be 16-bit
+ */
+
+#define MAC_REG_CTRL 64
+#define MAC_REG_STATUS 66
+#define MAC_REG_INTERRUPT_MASK 68
+#define MAC_REG_PHY_COMMAND 70
+#define MAC_REG_PHY_DATA 72
+#define MAC_REG_STATION_L 74
+#define MAC_REG_STATION_M 76
+#define MAC_REG_STATION_H 78
+#define MAC_REG_HASH_L 80
+#define MAC_REG_HASH_M1 82
+#define MAC_REG_HASH_M2 84
+#define MAC_REG_HASH_H 86
+#define MAC_REG_THRESHOLD 88
+#define MAC_REG_FIFO_DEPTH 90
+#define MAC_REG_PAUSE 92
+#define MAC_REG_FLOW_CONTROL 94
+
+/* Control register bits
+ *
+ * Note: bits 13 and 15 are reserved
+ */
+#define LOOPBACK (0x01 << 14)
+#define BASE100X (0x01 << 12)
+#define MBPS_10 (0x01 << 11)
+#define DUPLEX_MODE (0x01 << 10)
+#define PAUSE_FRAME (0x01 << 9)
+#define PROMISCUOUS (0x01 << 8)
+#define MULTICAST (0x01 << 7)
+#define BROADCAST (0x01 << 6)
+#define HASH (0x01 << 5)
+#define APPEND_PAD (0x01 << 4)
+#define APPEND_CRC (0x01 << 3)
+#define TRANSMITTER_ACTION (0x01 << 2)
+#define RECEIVER_ACTION (0x01 << 1)
+#define DMA_ACTION (0x01 << 0)
+
+/* Status register bits
+ *
+ * Note: bits 7-15 are reserved
+ */
+#define ALIGNMENT (0x01 << 6)
+#define FIFO_OVER_RUN (0x01 << 5)
+#define FIFO_UNDER_RUN (0x01 << 4)
+#define RX_ERROR (0x01 << 3)
+#define RX_COMPLETE (0x01 << 2)
+#define TX_ERROR (0x01 << 1)
+#define TX_COMPLETE (0x01 << 0)
+
+/* FIFO depth register bits
+ *
+ * Note: bits 6 and 14 are reserved
+ */
+
+#define ETH_TXBD (0x01 << 15)
+#define ETN_TX_FIFO_DEPTH (0x01 << 8)
+#define ETH_RXBD (0x01 << 7)
+#define ETH_RX_FIFO_DEPTH (0x01 << 0)
+
+static int control_read(struct usbnet *dev,
+ unsigned char request, unsigned short value,
+ unsigned short index, void *data, unsigned short size,
+ int timeout)
+{
+ unsigned char *buf = NULL;
+ unsigned char request_type;
+ int err = 0;
+
+ if (request == REQUEST_READ)
+ request_type = (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER);
+ else
+ request_type = (USB_DIR_IN | USB_TYPE_VENDOR |
+ USB_RECIP_DEVICE);
+
+ netdev_dbg(dev->net, "Control_read() index=0x%02x size=%d\n",
+ index, size);
+
+ buf = kmalloc(size, GFP_KERNEL);
+ if (!buf) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+ err = usb_control_msg(dev->udev,
+ usb_rcvctrlpipe(dev->udev, 0),
+ request, request_type, value, index, buf, size,
+ timeout);
+ if (err == size)
+ memcpy(data, buf, size);
+ else if (err >= 0)
+ err = -EINVAL;
+ kfree(buf);
+
+ return err;
+
+err_out:
+ return err;
+}
+
+static int control_write(struct usbnet *dev, unsigned char request,
+ unsigned short value, unsigned short index,
+ void *data, unsigned short size, int timeout)
+{
+ unsigned char *buf = NULL;
+ unsigned char request_type;
+ int err = 0;
+
+ if (request == REQUEST_WRITE)
+ request_type = (USB_DIR_OUT | USB_TYPE_VENDOR |
+ USB_RECIP_OTHER);
+ else
+ request_type = (USB_DIR_OUT | USB_TYPE_VENDOR |
+ USB_RECIP_DEVICE);
+
+ netdev_dbg(dev->net, "Control_write() index=0x%02x size=%d\n",
+ index, size);
+
+ if (data) {
+ buf = kmalloc(size, GFP_KERNEL);
+ if (!buf) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+ memcpy(buf, data, size);
+ }
+
+ err = usb_control_msg(dev->udev,
+ usb_sndctrlpipe(dev->udev, 0),
+ request, request_type, value, index, buf, size,
+ timeout);
+ if (err >= 0 && err < size)
+ err = -EINVAL;
+ kfree(buf);
+
+ return 0;
+
+err_out:
+ return err;
+}
+
+static int ch9200_mdio_read(struct net_device *netdev, int phy_id, int loc)
+{
+ struct usbnet *dev = netdev_priv(netdev);
+ unsigned char buff[2];
+
+ netdev_dbg(netdev, "ch9200_mdio_read phy_id:%02x loc:%02x\n",
+ phy_id, loc);
+
+ if (phy_id != 0)
+ return -ENODEV;
+
+ control_read(dev, REQUEST_READ, 0, loc * 2, buff, 0x02,
+ CONTROL_TIMEOUT_MS);
+
+ return (buff[0] | buff[1] << 8);
+}
+
+static void ch9200_mdio_write(struct net_device *netdev,
+ int phy_id, int loc, int val)
+{
+ struct usbnet *dev = netdev_priv(netdev);
+ unsigned char buff[2];
+
+ netdev_dbg(netdev, "ch9200_mdio_write() phy_id=%02x loc:%02x\n",
+ phy_id, loc);
+
+ if (phy_id != 0)
+ return;
+
+ buff[0] = (unsigned char)val;
+ buff[1] = (unsigned char)(val >> 8);
+
+ control_write(dev, REQUEST_WRITE, 0, loc * 2, buff, 0x02,
+ CONTROL_TIMEOUT_MS);
+}
+
+static int ch9200_link_reset(struct usbnet *dev)
+{
+ struct ethtool_cmd ecmd;
+
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+
+ netdev_dbg(dev->net, "link_reset() speed:%d duplex:%d\n",
+ ecmd.speed, ecmd.duplex);
+
+ return 0;
+}
+
+static void ch9200_status(struct usbnet *dev, struct urb *urb)
+{
+ int link;
+ unsigned char *buf;
+
+ if (urb->actual_length < 16)
+ return;
+
+ buf = urb->transfer_buffer;
+ link = !!(buf[0] & 0x01);
+
+ if (link) {
+ netif_carrier_on(dev->net);
+ usbnet_defer_kevent(dev, EVENT_LINK_RESET);
+ } else {
+ netif_carrier_off(dev->net);
+ }
+}
+
+static struct sk_buff *ch9200_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
+ gfp_t flags)
+{
+ int i = 0;
+ int len = 0;
+ int tx_overhead = 0;
+
+ tx_overhead = 0x40;
+
+ len = skb->len;
+ if (skb_headroom(skb) < tx_overhead) {
+ struct sk_buff *skb2;
+
+ skb2 = skb_copy_expand(skb, tx_overhead, 0, flags);
+ dev_kfree_skb_any(skb);
+ skb = skb2;
+ if (!skb)
+ return NULL;
+ }
+
+ __skb_push(skb, tx_overhead);
+ /* usbnet adds padding if length is a multiple of packet size
+ * if so, adjust length value in header
+ */
+ if ((skb->len % dev->maxpacket) == 0)
+ len++;
+
+ skb->data[0] = len;
+ skb->data[1] = len >> 8;
+ skb->data[2] = 0x00;
+ skb->data[3] = 0x80;
+
+ for (i = 4; i < 48; i++)
+ skb->data[i] = 0x00;
+
+ skb->data[48] = len;
+ skb->data[49] = len >> 8;
+ skb->data[50] = 0x00;
+ skb->data[51] = 0x80;
+
+ for (i = 52; i < 64; i++)
+ skb->data[i] = 0x00;
+
+ return skb;
+}
+
+static int ch9200_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+ int len = 0;
+ int rx_overhead = 0;
+
+ rx_overhead = 64;
+
+ if (unlikely(skb->len < rx_overhead)) {
+ dev_err(&dev->udev->dev, "unexpected tiny rx frame\n");
+ return 0;
+ }
+
+ len = (skb->data[skb->len - 16] | skb->data[skb->len - 15] << 8);
+ skb_trim(skb, len);
+
+ return 1;
+}
+
+static int get_mac_address(struct usbnet *dev, unsigned char *data)
+{
+ int err = 0;
+ unsigned char mac_addr[0x06];
+ int rd_mac_len = 0;
+
+ netdev_dbg(dev->net, "get_mac_address:\n\tusbnet VID:%0x PID:%0x\n",
+ dev->udev->descriptor.idVendor,
+ dev->udev->descriptor.idProduct);
+
+ memset(mac_addr, 0, sizeof(mac_addr));
+ rd_mac_len = control_read(dev, REQUEST_READ, 0,
+ MAC_REG_STATION_L, mac_addr, 0x02,
+ CONTROL_TIMEOUT_MS);
+ rd_mac_len += control_read(dev, REQUEST_READ, 0, MAC_REG_STATION_M,
+ mac_addr + 2, 0x02, CONTROL_TIMEOUT_MS);
+ rd_mac_len += control_read(dev, REQUEST_READ, 0, MAC_REG_STATION_H,
+ mac_addr + 4, 0x02, CONTROL_TIMEOUT_MS);
+ if (rd_mac_len != ETH_ALEN)
+ err = -EINVAL;
+
+ data[0] = mac_addr[5];
+ data[1] = mac_addr[4];
+ data[2] = mac_addr[3];
+ data[3] = mac_addr[2];
+ data[4] = mac_addr[1];
+ data[5] = mac_addr[0];
+
+ return err;
+}
+
+static int ch9200_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int retval = 0;
+ unsigned char data[2];
+
+ retval = usbnet_get_endpoints(dev, intf);
+ if (retval)
+ return retval;
+
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = ch9200_mdio_read;
+ dev->mii.mdio_write = ch9200_mdio_write;
+ dev->mii.reg_num_mask = 0x1f;
+
+ dev->mii.phy_id_mask = 0x1f;
+
+ dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
+ dev->rx_urb_size = 24 * 64 + 16;
+ mii_nway_restart(&dev->mii);
+
+ data[0] = 0x01;
+ data[1] = 0x0F;
+ retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_THRESHOLD, data,
+ 0x02, CONTROL_TIMEOUT_MS);
+
+ data[0] = 0xA0;
+ data[1] = 0x90;
+ retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_FIFO_DEPTH, data,
+ 0x02, CONTROL_TIMEOUT_MS);
+
+ data[0] = 0x30;
+ data[1] = 0x00;
+ retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_PAUSE, data,
+ 0x02, CONTROL_TIMEOUT_MS);
+
+ data[0] = 0x17;
+ data[1] = 0xD8;
+ retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_FLOW_CONTROL,
+ data, 0x02, CONTROL_TIMEOUT_MS);
+
+ /* Undocumented register */
+ data[0] = 0x01;
+ data[1] = 0x00;
+ retval = control_write(dev, REQUEST_WRITE, 0, 254, data, 0x02,
+ CONTROL_TIMEOUT_MS);
+
+ data[0] = 0x5F;
+ data[1] = 0x0D;
+ retval = control_write(dev, REQUEST_WRITE, 0, MAC_REG_CTRL, data, 0x02,
+ CONTROL_TIMEOUT_MS);
+
+ retval = get_mac_address(dev, dev->net->dev_addr);
+
+ return retval;
+}
+
+static const struct driver_info ch9200_info = {
+ .description = "CH9200 USB to Network Adaptor",
+ .flags = FLAG_ETHER,
+ .bind = ch9200_bind,
+ .rx_fixup = ch9200_rx_fixup,
+ .tx_fixup = ch9200_tx_fixup,
+ .status = ch9200_status,
+ .link_reset = ch9200_link_reset,
+ .reset = ch9200_link_reset,
+};
+
+static const struct usb_device_id ch9200_products[] = {
+ {
+ USB_DEVICE(0x1A86, 0xE092),
+ .driver_info = (unsigned long)&ch9200_info,
+ },
+ {},
+};
+
+MODULE_DEVICE_TABLE(usb, ch9200_products);
+
+static struct usb_driver ch9200_driver = {
+ .name = "ch9200",
+ .id_table = ch9200_products,
+ .probe = usbnet_probe,
+ .disconnect = usbnet_disconnect,
+ .suspend = usbnet_suspend,
+ .resume = usbnet_resume,
+};
+
+module_usb_driver(ch9200_driver);
+
+MODULE_DESCRIPTION("QinHeng CH9200 USB Network device");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index e7094fbd7568..488c6f50df73 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -193,7 +193,8 @@ static netdev_tx_t vrf_process_v4_outbound(struct sk_buff *skb,
.flowi4_oif = vrf_dev->ifindex,
.flowi4_iif = LOOPBACK_IFINDEX,
.flowi4_tos = RT_TOS(ip4h->tos),
- .flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_VRFSRC,
+ .flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_VRFSRC |
+ FLOWI_FLAG_SKIP_NH_OIF,
.daddr = ip4h->daddr,
};
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index cf8b7f0473b3..bbac1d35ed4e 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -2392,10 +2392,6 @@ static void vxlan_setup(struct net_device *dev)
eth_hw_addr_random(dev);
ether_setup(dev);
- if (vxlan->default_dst.remote_ip.sa.sa_family == AF_INET6)
- dev->needed_headroom = ETH_HLEN + VXLAN6_HEADROOM;
- else
- dev->needed_headroom = ETH_HLEN + VXLAN_HEADROOM;
dev->netdev_ops = &vxlan_netdev_ops;
dev->destructor = free_netdev;
@@ -2640,8 +2636,11 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev,
dst->remote_ip.sa.sa_family = AF_INET;
if (dst->remote_ip.sa.sa_family == AF_INET6 ||
- vxlan->cfg.saddr.sa.sa_family == AF_INET6)
+ vxlan->cfg.saddr.sa.sa_family == AF_INET6) {
+ if (!IS_ENABLED(CONFIG_IPV6))
+ return -EPFNOSUPPORT;
use_ipv6 = true;
+ }
if (conf->remote_ifindex) {
struct net_device *lowerdev
@@ -2670,8 +2669,12 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev,
dev->needed_headroom = lowerdev->hard_header_len +
(use_ipv6 ? VXLAN6_HEADROOM : VXLAN_HEADROOM);
- } else if (use_ipv6)
+ } else if (use_ipv6) {
vxlan->flags |= VXLAN_F_IPV6;
+ dev->needed_headroom = ETH_HLEN + VXLAN6_HEADROOM;
+ } else {
+ dev->needed_headroom = ETH_HLEN + VXLAN_HEADROOM;
+ }
memcpy(&vxlan->cfg, conf, sizeof(*conf));
if (!vxlan->cfg.dst_port)
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 1350fa25cdb0..a87a868fed64 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -197,7 +197,8 @@ static int of_phy_match(struct device *dev, void *phy_np)
* of_phy_find_device - Give a PHY node, find the phy_device
* @phy_np: Pointer to the phy's device tree node
*
- * Returns a pointer to the phy_device.
+ * If successful, returns a pointer to the phy_device with the embedded
+ * struct device refcount incremented by one, or NULL on failure.
*/
struct phy_device *of_phy_find_device(struct device_node *phy_np)
{
@@ -217,7 +218,9 @@ EXPORT_SYMBOL(of_phy_find_device);
* @hndlr: Link state callback for the network device
* @iface: PHY data interface type
*
- * Returns a pointer to the phy_device if successful. NULL otherwise
+ * If successful, returns a pointer to the phy_device with the embedded
+ * struct device refcount incremented by one, or NULL on failure. The
+ * refcount must be dropped by calling phy_disconnect() or phy_detach().
*/
struct phy_device *of_phy_connect(struct net_device *dev,
struct device_node *phy_np,
@@ -225,13 +228,19 @@ struct phy_device *of_phy_connect(struct net_device *dev,
phy_interface_t iface)
{
struct phy_device *phy = of_phy_find_device(phy_np);
+ int ret;
if (!phy)
return NULL;
phy->dev_flags = flags;
- return phy_connect_direct(dev, phy, hndlr, iface) ? NULL : phy;
+ ret = phy_connect_direct(dev, phy, hndlr, iface);
+
+ /* refcount is held by phy_connect_direct() on success */
+ put_device(&phy->dev);
+
+ return ret ? NULL : phy;
}
EXPORT_SYMBOL(of_phy_connect);
@@ -241,17 +250,27 @@ EXPORT_SYMBOL(of_phy_connect);
* @phy_np: Node pointer for the PHY
* @flags: flags to pass to the PHY
* @iface: PHY data interface type
+ *
+ * If successful, returns a pointer to the phy_device with the embedded
+ * struct device refcount incremented by one, or NULL on failure. The
+ * refcount must be dropped by calling phy_disconnect() or phy_detach().
*/
struct phy_device *of_phy_attach(struct net_device *dev,
struct device_node *phy_np, u32 flags,
phy_interface_t iface)
{
struct phy_device *phy = of_phy_find_device(phy_np);
+ int ret;
if (!phy)
return NULL;
- return phy_attach_direct(dev, phy, flags, iface) ? NULL : phy;
+ ret = phy_attach_direct(dev, phy, flags, iface);
+
+ /* refcount is held by phy_attach_direct() on success */
+ put_device(&phy->dev);
+
+ return ret ? NULL : phy;
}
EXPORT_SYMBOL(of_phy_attach);
diff --git a/drivers/of/of_pci_irq.c b/drivers/of/of_pci_irq.c
index 1710d9dc7fc2..2306313c0029 100644
--- a/drivers/of/of_pci_irq.c
+++ b/drivers/of/of_pci_irq.c
@@ -38,8 +38,8 @@ int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq
*/
rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin);
if (rc != 0)
- return rc;
- /* No pin, exit */
+ goto err;
+ /* No pin, exit with no error message. */
if (pin == 0)
return -ENODEV;
@@ -53,8 +53,10 @@ int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq
ppnode = pci_bus_to_OF_node(pdev->bus);
/* No node for host bridge ? give up */
- if (ppnode == NULL)
- return -EINVAL;
+ if (ppnode == NULL) {
+ rc = -EINVAL;
+ goto err;
+ }
} else {
/* We found a P2P bridge, check if it has a node */
ppnode = pci_device_to_OF_node(ppdev);
@@ -86,7 +88,13 @@ int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq
out_irq->args[0] = pin;
laddr[0] = cpu_to_be32((pdev->bus->number << 16) | (pdev->devfn << 8));
laddr[1] = laddr[2] = cpu_to_be32(0);
- return of_irq_parse_raw(laddr, out_irq);
+ rc = of_irq_parse_raw(laddr, out_irq);
+ if (rc)
+ goto err;
+ return 0;
+err:
+ dev_err(&pdev->dev, "of_irq_parse_pci() failed with rc=%d\n", rc);
+ return rc;
}
EXPORT_SYMBOL_GPL(of_irq_parse_pci);
@@ -105,10 +113,8 @@ int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
int ret;
ret = of_irq_parse_pci(dev, &oirq);
- if (ret) {
- dev_err(&dev->dev, "of_irq_parse_pci() failed with rc=%d\n", ret);
+ if (ret)
return 0; /* Proper return code 0 == NO_IRQ */
- }
return irq_create_of_mapping(&oirq);
}
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index baec33c4e698..a0580afe1713 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -560,6 +560,9 @@ dino_fixup_bus(struct pci_bus *bus)
} else if (bus->parent) {
int i;
+ pci_read_bridge_bases(bus);
+
+
for(i = PCI_BRIDGE_RESOURCES; i < PCI_NUM_RESOURCES; i++) {
if((bus->self->resource[i].flags &
(IORESOURCE_IO | IORESOURCE_MEM)) == 0)
diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
index 7b9e89ba0465..a32c1f6c252c 100644
--- a/drivers/parisc/lba_pci.c
+++ b/drivers/parisc/lba_pci.c
@@ -693,6 +693,7 @@ lba_fixup_bus(struct pci_bus *bus)
if (bus->parent) {
int i;
/* PCI-PCI Bridge */
+ pci_read_bridge_bases(bus);
for (i = PCI_BRIDGE_RESOURCES; i < PCI_NUM_RESOURCES; i++)
pci_claim_bridge_resource(bus->self, i);
} else {
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 769f7e35f1a2..59ac36fe7c42 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -442,7 +442,8 @@ static const struct pci_vpd_ops pci_vpd_pci22_ops = {
static ssize_t pci_vpd_f0_read(struct pci_dev *dev, loff_t pos, size_t count,
void *arg)
{
- struct pci_dev *tdev = pci_get_slot(dev->bus, PCI_SLOT(dev->devfn));
+ struct pci_dev *tdev = pci_get_slot(dev->bus,
+ PCI_DEVFN(PCI_SLOT(dev->devfn), 0));
ssize_t ret;
if (!tdev)
@@ -456,7 +457,8 @@ static ssize_t pci_vpd_f0_read(struct pci_dev *dev, loff_t pos, size_t count,
static ssize_t pci_vpd_f0_write(struct pci_dev *dev, loff_t pos, size_t count,
const void *arg)
{
- struct pci_dev *tdev = pci_get_slot(dev->bus, PCI_SLOT(dev->devfn));
+ struct pci_dev *tdev = pci_get_slot(dev->bus,
+ PCI_DEVFN(PCI_SLOT(dev->devfn), 0));
ssize_t ret;
if (!tdev)
@@ -473,22 +475,6 @@ static const struct pci_vpd_ops pci_vpd_f0_ops = {
.release = pci_vpd_pci22_release,
};
-static int pci_vpd_f0_dev_check(struct pci_dev *dev)
-{
- struct pci_dev *tdev = pci_get_slot(dev->bus, PCI_SLOT(dev->devfn));
- int ret = 0;
-
- if (!tdev)
- return -ENODEV;
- if (!tdev->vpd || !tdev->multifunction ||
- dev->class != tdev->class || dev->vendor != tdev->vendor ||
- dev->device != tdev->device)
- ret = -ENODEV;
-
- pci_dev_put(tdev);
- return ret;
-}
-
int pci_vpd_pci22_init(struct pci_dev *dev)
{
struct pci_vpd_pci22 *vpd;
@@ -497,12 +483,7 @@ int pci_vpd_pci22_init(struct pci_dev *dev)
cap = pci_find_capability(dev, PCI_CAP_ID_VPD);
if (!cap)
return -ENODEV;
- if (dev->dev_flags & PCI_DEV_FLAGS_VPD_REF_F0) {
- int ret = pci_vpd_f0_dev_check(dev);
- if (ret)
- return ret;
- }
vpd = kzalloc(sizeof(*vpd), GFP_ATOMIC);
if (!vpd)
return -ENOMEM;
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 6fbd3f2b5992..d3346d23963b 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -256,6 +256,8 @@ bool pci_bus_clip_resource(struct pci_dev *dev, int idx)
res->start = start;
res->end = end;
+ res->flags &= ~IORESOURCE_UNSET;
+ orig_res.flags &= ~IORESOURCE_UNSET;
dev_printk(KERN_DEBUG, &dev->dev, "%pR clipped to %pR\n",
&orig_res, res);
diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index 367e28fa7564..c4f64bfee551 100644
--- a/drivers/pci/host/pci-rcar-gen2.c
+++ b/drivers/pci/host/pci-rcar-gen2.c
@@ -362,6 +362,7 @@ static int rcar_pci_probe(struct platform_device *pdev)
static struct of_device_id rcar_pci_of_match[] = {
{ .compatible = "renesas,pci-r8a7790", },
{ .compatible = "renesas,pci-r8a7791", },
+ { .compatible = "renesas,pci-r8a7794", },
{ },
};
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 0b2be174d981..8361d27e5eca 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -676,15 +676,20 @@ static struct irq_domain *pci_host_bridge_msi_domain(struct pci_bus *bus)
static void pci_set_bus_msi_domain(struct pci_bus *bus)
{
struct irq_domain *d;
+ struct pci_bus *b;
/*
- * Either bus is the root, and we must obtain it from the
- * firmware, or we inherit it from the bridge device.
+ * The bus can be a root bus, a subordinate bus, or a virtual bus
+ * created by an SR-IOV device. Walk up to the first bridge device
+ * found or derive the domain from the host bridge.
*/
- if (pci_is_root_bus(bus))
- d = pci_host_bridge_msi_domain(bus);
- else
- d = dev_get_msi_domain(&bus->self->dev);
+ for (b = bus, d = NULL; !d && !pci_is_root_bus(b); b = b->parent) {
+ if (b->self)
+ d = dev_get_msi_domain(&b->self->dev);
+ }
+
+ if (!d)
+ d = pci_host_bridge_msi_domain(b);
dev_set_msi_domain(&bus->dev, d);
}
@@ -855,9 +860,6 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
child->bridge_ctl = bctl;
}
- /* Read and initialize bridge resources */
- pci_read_bridge_bases(child);
-
cmax = pci_scan_child_bus(child);
if (cmax > subordinate)
dev_warn(&dev->dev, "bridge has subordinate %02x but max busn %02x\n",
@@ -918,9 +920,6 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
if (!is_cardbus) {
child->bridge_ctl = bctl;
-
- /* Read and initialize bridge resources */
- pci_read_bridge_bases(child);
max = pci_scan_child_bus(child);
} else {
/*
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 6a30252cd79f..b03373fd05ca 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1907,11 +1907,27 @@ static void quirk_netmos(struct pci_dev *dev)
DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_NETMOS, PCI_ANY_ID,
PCI_CLASS_COMMUNICATION_SERIAL, 8, quirk_netmos);
+/*
+ * Quirk non-zero PCI functions to route VPD access through function 0 for
+ * devices that share VPD resources between functions. The functions are
+ * expected to be identical devices.
+ */
static void quirk_f0_vpd_link(struct pci_dev *dev)
{
- if (!dev->multifunction || !PCI_FUNC(dev->devfn))
+ struct pci_dev *f0;
+
+ if (!PCI_FUNC(dev->devfn))
return;
- dev->dev_flags |= PCI_DEV_FLAGS_VPD_REF_F0;
+
+ f0 = pci_get_slot(dev->bus, PCI_DEVFN(PCI_SLOT(dev->devfn), 0));
+ if (!f0)
+ return;
+
+ if (f0->vpd && dev->class == f0->class &&
+ dev->vendor == f0->vendor && dev->device == f0->device)
+ dev->dev_flags |= PCI_DEV_FLAGS_VPD_REF_F0;
+
+ pci_dev_put(f0);
}
DECLARE_PCI_FIXUP_CLASS_EARLY(PCI_VENDOR_ID_INTEL, PCI_ANY_ID,
PCI_CLASS_NETWORK_ETHERNET, 8, quirk_f0_vpd_link);
diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c
index 738adfa5332b..52ea605f8130 100644
--- a/drivers/regulator/anatop-regulator.c
+++ b/drivers/regulator/anatop-regulator.c
@@ -318,6 +318,7 @@ static const struct of_device_id of_anatop_regulator_match_tbl[] = {
{ .compatible = "fsl,anatop-regulator", },
{ /* end */ }
};
+MODULE_DEVICE_TABLE(of, of_anatop_regulator_match_tbl);
static struct platform_driver anatop_regulator_driver = {
.driver = {
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 7a85ac9e32c5..7849187d91ae 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1394,15 +1394,15 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)
return 0;
r = regulator_dev_lookup(dev, rdev->supply_name, &ret);
- if (ret == -ENODEV) {
- /*
- * No supply was specified for this regulator and
- * there will never be one.
- */
- return 0;
- }
-
if (!r) {
+ if (ret == -ENODEV) {
+ /*
+ * No supply was specified for this regulator and
+ * there will never be one.
+ */
+ return 0;
+ }
+
if (have_full_constraints()) {
r = dummy_regulator_rdev;
} else {
@@ -1422,11 +1422,10 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)
return ret;
/* Cascade always-on state to supply */
- if (_regulator_is_enabled(rdev)) {
+ if (_regulator_is_enabled(rdev) && rdev->supply) {
ret = regulator_enable(rdev->supply);
if (ret < 0) {
- if (rdev->supply)
- _regulator_put(rdev->supply);
+ _regulator_put(rdev->supply);
return ret;
}
}
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 464018de7e97..7bba8b747f30 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -394,6 +394,7 @@ static const struct of_device_id regulator_gpio_of_match[] = {
{ .compatible = "regulator-gpio", },
{},
};
+MODULE_DEVICE_TABLE(of, regulator_gpio_of_match);
#endif
static struct platform_driver gpio_regulator_driver = {
diff --git a/drivers/regulator/pbias-regulator.c b/drivers/regulator/pbias-regulator.c
index 4fa7bcaf454e..f9d74d63be7c 100644
--- a/drivers/regulator/pbias-regulator.c
+++ b/drivers/regulator/pbias-regulator.c
@@ -45,6 +45,10 @@ struct pbias_regulator_data {
int voltage;
};
+struct pbias_of_data {
+ unsigned int offset;
+};
+
static const unsigned int pbias_volt_table[] = {
1800000,
3000000
@@ -102,8 +106,35 @@ static struct of_regulator_match pbias_matches[] = {
};
#define PBIAS_NUM_REGS ARRAY_SIZE(pbias_matches)
+/* Offset from SCM general area (and syscon) base */
+
+static const struct pbias_of_data pbias_of_data_omap2 = {
+ .offset = 0x230,
+};
+
+static const struct pbias_of_data pbias_of_data_omap3 = {
+ .offset = 0x2b0,
+};
+
+static const struct pbias_of_data pbias_of_data_omap4 = {
+ .offset = 0x60,
+};
+
+static const struct pbias_of_data pbias_of_data_omap5 = {
+ .offset = 0x60,
+};
+
+static const struct pbias_of_data pbias_of_data_dra7 = {
+ .offset = 0xe00,
+};
+
static const struct of_device_id pbias_of_match[] = {
{ .compatible = "ti,pbias-omap", },
+ { .compatible = "ti,pbias-omap2", .data = &pbias_of_data_omap2, },
+ { .compatible = "ti,pbias-omap3", .data = &pbias_of_data_omap3, },
+ { .compatible = "ti,pbias-omap4", .data = &pbias_of_data_omap4, },
+ { .compatible = "ti,pbias-omap5", .data = &pbias_of_data_omap5, },
+ { .compatible = "ti,pbias-dra7", .data = &pbias_of_data_dra7, },
{},
};
MODULE_DEVICE_TABLE(of, pbias_of_match);
@@ -118,6 +149,9 @@ static int pbias_regulator_probe(struct platform_device *pdev)
const struct pbias_reg_info *info;
int ret = 0;
int count, idx, data_idx = 0;
+ const struct of_device_id *match;
+ const struct pbias_of_data *data;
+ unsigned int offset;
count = of_regulator_match(&pdev->dev, np, pbias_matches,
PBIAS_NUM_REGS);
@@ -133,6 +167,20 @@ static int pbias_regulator_probe(struct platform_device *pdev)
if (IS_ERR(syscon))
return PTR_ERR(syscon);
+ match = of_match_device(of_match_ptr(pbias_of_match), &pdev->dev);
+ if (match && match->data) {
+ data = match->data;
+ offset = data->offset;
+ } else {
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -EINVAL;
+
+ offset = res->start;
+ dev_WARN(&pdev->dev,
+ "using legacy dt data for pbias offset\n");
+ }
+
cfg.regmap = syscon;
cfg.dev = &pdev->dev;
@@ -145,10 +193,6 @@ static int pbias_regulator_probe(struct platform_device *pdev)
if (!info)
return -ENODEV;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -EINVAL;
-
drvdata[data_idx].syscon = syscon;
drvdata[data_idx].info = info;
drvdata[data_idx].desc.name = info->name;
@@ -158,9 +202,9 @@ static int pbias_regulator_probe(struct platform_device *pdev)
drvdata[data_idx].desc.volt_table = pbias_volt_table;
drvdata[data_idx].desc.n_voltages = 2;
drvdata[data_idx].desc.enable_time = info->enable_time;
- drvdata[data_idx].desc.vsel_reg = res->start;
+ drvdata[data_idx].desc.vsel_reg = offset;
drvdata[data_idx].desc.vsel_mask = info->vmode;
- drvdata[data_idx].desc.enable_reg = res->start;
+ drvdata[data_idx].desc.enable_reg = offset;
drvdata[data_idx].desc.enable_mask = info->enable_mask;
drvdata[data_idx].desc.enable_val = info->enable;
drvdata[data_idx].desc.disable_val = info->disable_val;
diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c
index 7f97223f95c5..a02c1b961039 100644
--- a/drivers/regulator/tps65218-regulator.c
+++ b/drivers/regulator/tps65218-regulator.c
@@ -73,7 +73,7 @@ static const struct regulator_linear_range dcdc4_ranges[] = {
};
static struct tps_info tps65218_pmic_regs[] = {
- TPS65218_INFO(DCDC1, "DCDC1", 850000, 167500),
+ TPS65218_INFO(DCDC1, "DCDC1", 850000, 1675000),
TPS65218_INFO(DCDC2, "DCDC2", 850000, 1675000),
TPS65218_INFO(DCDC3, "DCDC3", 900000, 3400000),
TPS65218_INFO(DCDC4, "DCDC4", 1175000, 3400000),
diff --git a/drivers/regulator/vexpress.c b/drivers/regulator/vexpress.c
index bed9d3ee4198..c810cbbd463f 100644
--- a/drivers/regulator/vexpress.c
+++ b/drivers/regulator/vexpress.c
@@ -103,6 +103,7 @@ static const struct of_device_id vexpress_regulator_of_match[] = {
{ .compatible = "arm,vexpress-volt", },
{ }
};
+MODULE_DEVICE_TABLE(of, vexpress_regulator_of_match);
static struct platform_driver vexpress_regulator_driver = {
.probe = vexpress_regulator_probe,
diff --git a/drivers/sh/pm_runtime.c b/drivers/sh/pm_runtime.c
index d3d1891cda3c..25abd4eb7d10 100644
--- a/drivers/sh/pm_runtime.c
+++ b/drivers/sh/pm_runtime.c
@@ -35,20 +35,11 @@ static struct pm_clk_notifier_block platform_bus_notifier = {
static int __init sh_pm_runtime_init(void)
{
if (IS_ENABLED(CONFIG_ARCH_SHMOBILE_MULTI)) {
- if (!of_machine_is_compatible("renesas,emev2") &&
- !of_machine_is_compatible("renesas,r7s72100") &&
-#ifndef CONFIG_PM_GENERIC_DOMAINS_OF
- !of_machine_is_compatible("renesas,r8a73a4") &&
- !of_machine_is_compatible("renesas,r8a7740") &&
- !of_machine_is_compatible("renesas,sh73a0") &&
-#endif
- !of_machine_is_compatible("renesas,r8a7778") &&
- !of_machine_is_compatible("renesas,r8a7779") &&
- !of_machine_is_compatible("renesas,r8a7790") &&
- !of_machine_is_compatible("renesas,r8a7791") &&
- !of_machine_is_compatible("renesas,r8a7792") &&
- !of_machine_is_compatible("renesas,r8a7793") &&
- !of_machine_is_compatible("renesas,r8a7794"))
+ if (!of_find_compatible_node(NULL, NULL,
+ "renesas,cpg-mstp-clocks"))
+ return 0;
+ if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS_OF) &&
+ of_find_node_with_property(NULL, "#power-domain-cells"))
return 0;
}
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index bf9ed380bb1c..63318e2afba1 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1720,6 +1720,7 @@ static int atmel_spi_runtime_resume(struct device *dev)
return clk_prepare_enable(as->clk);
}
+#ifdef CONFIG_PM_SLEEP
static int atmel_spi_suspend(struct device *dev)
{
struct spi_master *master = dev_get_drvdata(dev);
@@ -1756,6 +1757,7 @@ static int atmel_spi_resume(struct device *dev)
return ret;
}
+#endif
static const struct dev_pm_ops atmel_spi_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(atmel_spi_suspend, atmel_spi_resume)
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
index e7874a6171ec..3e8eeb23d4e9 100644
--- a/drivers/spi/spi-bcm2835.c
+++ b/drivers/spi/spi-bcm2835.c
@@ -386,14 +386,14 @@ static bool bcm2835_spi_can_dma(struct spi_master *master,
/* otherwise we only allow transfers within the same page
* to avoid wasting time on dma_mapping when it is not practical
*/
- if (((size_t)tfr->tx_buf & PAGE_MASK) + tfr->len > PAGE_SIZE) {
+ if (((size_t)tfr->tx_buf & (PAGE_SIZE - 1)) + tfr->len > PAGE_SIZE) {
dev_warn_once(&spi->dev,
"Unaligned spi tx-transfer bridging page\n");
return false;
}
- if (((size_t)tfr->rx_buf & PAGE_MASK) + tfr->len > PAGE_SIZE) {
+ if (((size_t)tfr->rx_buf & (PAGE_SIZE - 1)) + tfr->len > PAGE_SIZE) {
dev_warn_once(&spi->dev,
- "Unaligned spi tx-transfer bridging page\n");
+ "Unaligned spi rx-transfer bridging page\n");
return false;
}
diff --git a/drivers/spi/spi-meson-spifc.c b/drivers/spi/spi-meson-spifc.c
index 5468fc70dbf8..2465259f6241 100644
--- a/drivers/spi/spi-meson-spifc.c
+++ b/drivers/spi/spi-meson-spifc.c
@@ -444,6 +444,7 @@ static const struct of_device_id meson_spifc_dt_match[] = {
{ .compatible = "amlogic,meson6-spifc", },
{ },
};
+MODULE_DEVICE_TABLE(of, meson_spifc_dt_match);
static struct platform_driver meson_spifc_driver = {
.probe = meson_spifc_probe,
diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 5f6315c47920..ecb6c58238c4 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -85,7 +85,7 @@ struct mtk_spi {
void __iomem *base;
u32 state;
u32 pad_sel;
- struct clk *spi_clk, *parent_clk;
+ struct clk *parent_clk, *sel_clk, *spi_clk;
struct spi_transfer *cur_transfer;
u32 xfer_len;
struct scatterlist *tx_sgl, *rx_sgl;
@@ -173,22 +173,6 @@ static void mtk_spi_config(struct mtk_spi *mdata,
writel(mdata->pad_sel, mdata->base + SPI_PAD_SEL_REG);
}
-static int mtk_spi_prepare_hardware(struct spi_master *master)
-{
- struct spi_transfer *trans;
- struct mtk_spi *mdata = spi_master_get_devdata(master);
- struct spi_message *msg = master->cur_msg;
-
- trans = list_first_entry(&msg->transfers, struct spi_transfer,
- transfer_list);
- if (!trans->cs_change) {
- mdata->state = MTK_SPI_IDLE;
- mtk_spi_reset(mdata);
- }
-
- return 0;
-}
-
static int mtk_spi_prepare_message(struct spi_master *master,
struct spi_message *msg)
{
@@ -228,11 +212,15 @@ static void mtk_spi_set_cs(struct spi_device *spi, bool enable)
struct mtk_spi *mdata = spi_master_get_devdata(spi->master);
reg_val = readl(mdata->base + SPI_CMD_REG);
- if (!enable)
+ if (!enable) {
reg_val |= SPI_CMD_PAUSE_EN;
- else
+ writel(reg_val, mdata->base + SPI_CMD_REG);
+ } else {
reg_val &= ~SPI_CMD_PAUSE_EN;
- writel(reg_val, mdata->base + SPI_CMD_REG);
+ writel(reg_val, mdata->base + SPI_CMD_REG);
+ mdata->state = MTK_SPI_IDLE;
+ mtk_spi_reset(mdata);
+ }
}
static void mtk_spi_prepare_transfer(struct spi_master *master,
@@ -509,7 +497,6 @@ static int mtk_spi_probe(struct platform_device *pdev)
master->mode_bits = SPI_CPOL | SPI_CPHA;
master->set_cs = mtk_spi_set_cs;
- master->prepare_transfer_hardware = mtk_spi_prepare_hardware;
master->prepare_message = mtk_spi_prepare_message;
master->transfer_one = mtk_spi_transfer_one;
master->can_dma = mtk_spi_can_dma;
@@ -576,13 +563,6 @@ static int mtk_spi_probe(struct platform_device *pdev)
goto err_put_master;
}
- mdata->spi_clk = devm_clk_get(&pdev->dev, "spi-clk");
- if (IS_ERR(mdata->spi_clk)) {
- ret = PTR_ERR(mdata->spi_clk);
- dev_err(&pdev->dev, "failed to get spi-clk: %d\n", ret);
- goto err_put_master;
- }
-
mdata->parent_clk = devm_clk_get(&pdev->dev, "parent-clk");
if (IS_ERR(mdata->parent_clk)) {
ret = PTR_ERR(mdata->parent_clk);
@@ -590,13 +570,27 @@ static int mtk_spi_probe(struct platform_device *pdev)
goto err_put_master;
}
+ mdata->sel_clk = devm_clk_get(&pdev->dev, "sel-clk");
+ if (IS_ERR(mdata->sel_clk)) {
+ ret = PTR_ERR(mdata->sel_clk);
+ dev_err(&pdev->dev, "failed to get sel-clk: %d\n", ret);
+ goto err_put_master;
+ }
+
+ mdata->spi_clk = devm_clk_get(&pdev->dev, "spi-clk");
+ if (IS_ERR(mdata->spi_clk)) {
+ ret = PTR_ERR(mdata->spi_clk);
+ dev_err(&pdev->dev, "failed to get spi-clk: %d\n", ret);
+ goto err_put_master;
+ }
+
ret = clk_prepare_enable(mdata->spi_clk);
if (ret < 0) {
dev_err(&pdev->dev, "failed to enable spi_clk (%d)\n", ret);
goto err_put_master;
}
- ret = clk_set_parent(mdata->spi_clk, mdata->parent_clk);
+ ret = clk_set_parent(mdata->sel_clk, mdata->parent_clk);
if (ret < 0) {
dev_err(&pdev->dev, "failed to clk_set_parent (%d)\n", ret);
goto err_disable_clk;
@@ -630,7 +624,6 @@ static int mtk_spi_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
mtk_spi_reset(mdata);
- clk_disable_unprepare(mdata->spi_clk);
spi_master_put(master);
return 0;
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index fdd791977041..a8ef38ebb9c9 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -654,6 +654,10 @@ static irqreturn_t ssp_int(int irq, void *dev_id)
if (!(sccr1_reg & SSCR1_TIE))
mask &= ~SSSR_TFS;
+ /* Ignore RX timeout interrupt if it is disabled */
+ if (!(sccr1_reg & SSCR1_TINTE))
+ mask &= ~SSSR_TINT;
+
if (!(status & mask))
return IRQ_NONE;
diff --git a/drivers/spi/spi-xtensa-xtfpga.c b/drivers/spi/spi-xtensa-xtfpga.c
index 2e32ea2f194f..be6155cba9de 100644
--- a/drivers/spi/spi-xtensa-xtfpga.c
+++ b/drivers/spi/spi-xtensa-xtfpga.c
@@ -34,13 +34,13 @@ struct xtfpga_spi {
static inline void xtfpga_spi_write32(const struct xtfpga_spi *spi,
unsigned addr, u32 val)
{
- iowrite32(val, spi->regs + addr);
+ __raw_writel(val, spi->regs + addr);
}
static inline unsigned int xtfpga_spi_read32(const struct xtfpga_spi *spi,
unsigned addr)
{
- return ioread32(spi->regs + addr);
+ return __raw_readl(spi->regs + addr);
}
static inline void xtfpga_spi_wait_busy(struct xtfpga_spi *xspi)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 3abb3903f2ad..a5f53de813d3 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1610,8 +1610,7 @@ static struct class spi_master_class = {
*
* The caller is responsible for assigning the bus number and initializing
* the master's methods before calling spi_register_master(); and (after errors
- * adding the device) calling spi_master_put() and kfree() to prevent a memory
- * leak.
+ * adding the device) calling spi_master_put() to prevent a memory leak.
*/
struct spi_master *spi_alloc_master(struct device *dev, unsigned size)
{
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index fba92a526531..ef008e52f953 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -651,7 +651,8 @@ static int spidev_release(struct inode *inode, struct file *filp)
kfree(spidev->rx_buffer);
spidev->rx_buffer = NULL;
- spidev->speed_hz = spidev->spi->max_speed_hz;
+ if (spidev->spi)
+ spidev->speed_hz = spidev->spi->max_speed_hz;
/* ... after we unbound from the underlying device? */
spin_lock_irq(&spidev->spi_lock);
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 039004400987..5aabc4bc0d75 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -163,7 +163,7 @@ config THERMAL_EMULATION
config HISI_THERMAL
tristate "Hisilicon thermal driver"
- depends on ARCH_HISI && CPU_THERMAL && OF
+ depends on (ARCH_HISI && CPU_THERMAL && OF) || COMPILE_TEST
help
Enable this to plug hisilicon's thermal sensor driver into the Linux
thermal framework. cpufreq is used as the cooling device to throttle
@@ -182,7 +182,7 @@ config IMX_THERMAL
config SPEAR_THERMAL
bool "SPEAr thermal sensor driver"
- depends on PLAT_SPEAR
+ depends on PLAT_SPEAR || COMPILE_TEST
depends on OF
help
Enable this to plug the SPEAr thermal sensor driver into the Linux
@@ -190,7 +190,7 @@ config SPEAR_THERMAL
config ROCKCHIP_THERMAL
tristate "Rockchip thermal driver"
- depends on ARCH_ROCKCHIP
+ depends on ARCH_ROCKCHIP || COMPILE_TEST
depends on RESET_CONTROLLER
help
Rockchip thermal driver provides support for Temperature sensor
@@ -208,7 +208,7 @@ config RCAR_THERMAL
config KIRKWOOD_THERMAL
tristate "Temperature sensor on Marvell Kirkwood SoCs"
- depends on MACH_KIRKWOOD
+ depends on MACH_KIRKWOOD || COMPILE_TEST
depends on OF
help
Support for the Kirkwood thermal sensor driver into the Linux thermal
@@ -216,7 +216,7 @@ config KIRKWOOD_THERMAL
config DOVE_THERMAL
tristate "Temperature sensor on Marvell Dove SoCs"
- depends on ARCH_DOVE || MACH_DOVE
+ depends on ARCH_DOVE || MACH_DOVE || COMPILE_TEST
depends on OF
help
Support for the Dove thermal sensor driver in the Linux thermal
@@ -234,7 +234,7 @@ config DB8500_THERMAL
config ARMADA_THERMAL
tristate "Armada 370/XP thermal management"
- depends on ARCH_MVEBU
+ depends on ARCH_MVEBU || COMPILE_TEST
depends on OF
help
Enable this option if you want to have support for thermal management
@@ -349,11 +349,12 @@ config INTEL_PCH_THERMAL
programmable trip points and other information.
menu "Texas Instruments thermal drivers"
+depends on ARCH_HAS_BANDGAP || COMPILE_TEST
source "drivers/thermal/ti-soc-thermal/Kconfig"
endmenu
menu "Samsung thermal drivers"
-depends on ARCH_EXYNOS
+depends on ARCH_EXYNOS || COMPILE_TEST
source "drivers/thermal/samsung/Kconfig"
endmenu
@@ -364,7 +365,7 @@ endmenu
config QCOM_SPMI_TEMP_ALARM
tristate "Qualcomm SPMI PMIC Temperature Alarm"
- depends on OF && SPMI && IIO
+ depends on OF && (SPMI || COMPILE_TEST) && IIO
select REGMAP_SPMI
help
This enables a thermal sysfs driver for Qualcomm plug-and-play (QPNP)
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index 620dcd405ff6..42c6f71bdcc1 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -262,7 +262,9 @@ static int cpufreq_thermal_notifier(struct notifier_block *nb,
* efficiently. Power is stored in mW, frequency in KHz. The
* resulting table is in ascending order.
*
- * Return: 0 on success, -E* on error.
+ * Return: 0 on success, -EINVAL if there are no OPPs for any CPUs,
+ * -ENOMEM if we run out of memory or -EAGAIN if an OPP was
+ * added/enabled while the function was executing.
*/
static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device,
u32 capacitance)
@@ -273,8 +275,6 @@ static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device,
int num_opps = 0, cpu, i, ret = 0;
unsigned long freq;
- rcu_read_lock();
-
for_each_cpu(cpu, &cpufreq_device->allowed_cpus) {
dev = get_cpu_device(cpu);
if (!dev) {
@@ -284,24 +284,20 @@ static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device,
}
num_opps = dev_pm_opp_get_opp_count(dev);
- if (num_opps > 0) {
+ if (num_opps > 0)
break;
- } else if (num_opps < 0) {
- ret = num_opps;
- goto unlock;
- }
+ else if (num_opps < 0)
+ return num_opps;
}
- if (num_opps == 0) {
- ret = -EINVAL;
- goto unlock;
- }
+ if (num_opps == 0)
+ return -EINVAL;
power_table = kcalloc(num_opps, sizeof(*power_table), GFP_KERNEL);
- if (!power_table) {
- ret = -ENOMEM;
- goto unlock;
- }
+ if (!power_table)
+ return -ENOMEM;
+
+ rcu_read_lock();
for (freq = 0, i = 0;
opp = dev_pm_opp_find_freq_ceil(dev, &freq), !IS_ERR(opp);
@@ -309,6 +305,12 @@ static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device,
u32 freq_mhz, voltage_mv;
u64 power;
+ if (i >= num_opps) {
+ rcu_read_unlock();
+ ret = -EAGAIN;
+ goto free_power_table;
+ }
+
freq_mhz = freq / 1000000;
voltage_mv = dev_pm_opp_get_voltage(opp) / 1000;
@@ -326,17 +328,22 @@ static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_device,
power_table[i].power = power;
}
- if (i == 0) {
+ rcu_read_unlock();
+
+ if (i != num_opps) {
ret = PTR_ERR(opp);
- goto unlock;
+ goto free_power_table;
}
cpufreq_device->cpu_dev = dev;
cpufreq_device->dyn_power_table = power_table;
cpufreq_device->dyn_power_table_entries = i;
-unlock:
- rcu_read_unlock();
+ return 0;
+
+free_power_table:
+ kfree(power_table);
+
return ret;
}
@@ -847,7 +854,7 @@ __cpufreq_cooling_register(struct device_node *np,
ret = get_idr(&cpufreq_idr, &cpufreq_dev->id);
if (ret) {
cool_dev = ERR_PTR(ret);
- goto free_table;
+ goto free_power_table;
}
snprintf(dev_name, sizeof(dev_name), "thermal-cpufreq-%d",
@@ -889,6 +896,8 @@ __cpufreq_cooling_register(struct device_node *np,
remove_idr:
release_idr(&cpufreq_idr, cpufreq_dev->id);
+free_power_table:
+ kfree(cpufreq_dev->dyn_power_table);
free_table:
kfree(cpufreq_dev->freq_table);
free_time_in_idle_timestamp:
@@ -1039,6 +1048,7 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
thermal_cooling_device_unregister(cpufreq_dev->cool_dev);
release_idr(&cpufreq_idr, cpufreq_dev->id);
+ kfree(cpufreq_dev->dyn_power_table);
kfree(cpufreq_dev->time_in_idle_timestamp);
kfree(cpufreq_dev->time_in_idle);
kfree(cpufreq_dev->freq_table);
diff --git a/drivers/thermal/db8500_cpufreq_cooling.c b/drivers/thermal/db8500_cpufreq_cooling.c
index 607b62c7e611..e58bd0b658b5 100644
--- a/drivers/thermal/db8500_cpufreq_cooling.c
+++ b/drivers/thermal/db8500_cpufreq_cooling.c
@@ -72,6 +72,7 @@ static const struct of_device_id db8500_cpufreq_cooling_match[] = {
{ .compatible = "stericsson,db8500-cpufreq-cooling" },
{},
};
+MODULE_DEVICE_TABLE(of, db8500_cpufreq_cooling_match);
#endif
static struct platform_driver db8500_cpufreq_cooling_driver = {
diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c
index 9c8a7aad0252..7ff96270c933 100644
--- a/drivers/thermal/power_allocator.c
+++ b/drivers/thermal/power_allocator.c
@@ -24,6 +24,8 @@
#include "thermal_core.h"
+#define INVALID_TRIP -1
+
#define FRAC_BITS 10
#define int_to_frac(x) ((x) << FRAC_BITS)
#define frac_to_int(x) ((x) >> FRAC_BITS)
@@ -56,16 +58,21 @@ static inline s64 div_frac(s64 x, s64 y)
/**
* struct power_allocator_params - parameters for the power allocator governor
+ * @allocated_tzp: whether we have allocated tzp for this thermal zone and
+ * it needs to be freed on unbind
* @err_integral: accumulated error in the PID controller.
* @prev_err: error in the previous iteration of the PID controller.
* Used to calculate the derivative term.
* @trip_switch_on: first passive trip point of the thermal zone. The
* governor switches on when this trip point is crossed.
+ * If the thermal zone only has one passive trip point,
+ * @trip_switch_on should be INVALID_TRIP.
* @trip_max_desired_temperature: last passive trip point of the thermal
* zone. The temperature we are
* controlling for.
*/
struct power_allocator_params {
+ bool allocated_tzp;
s64 err_integral;
s32 prev_err;
int trip_switch_on;
@@ -73,6 +80,88 @@ struct power_allocator_params {
};
/**
+ * estimate_sustainable_power() - Estimate the sustainable power of a thermal zone
+ * @tz: thermal zone we are operating in
+ *
+ * For thermal zones that don't provide a sustainable_power in their
+ * thermal_zone_params, estimate one. Calculate it using the minimum
+ * power of all the cooling devices as that gives a valid value that
+ * can give some degree of functionality. For optimal performance of
+ * this governor, provide a sustainable_power in the thermal zone's
+ * thermal_zone_params.
+ */
+static u32 estimate_sustainable_power(struct thermal_zone_device *tz)
+{
+ u32 sustainable_power = 0;
+ struct thermal_instance *instance;
+ struct power_allocator_params *params = tz->governor_data;
+
+ list_for_each_entry(instance, &tz->thermal_instances, tz_node) {
+ struct thermal_cooling_device *cdev = instance->cdev;
+ u32 min_power;
+
+ if (instance->trip != params->trip_max_desired_temperature)
+ continue;
+
+ if (power_actor_get_min_power(cdev, tz, &min_power))
+ continue;
+
+ sustainable_power += min_power;
+ }
+
+ return sustainable_power;
+}
+
+/**
+ * estimate_pid_constants() - Estimate the constants for the PID controller
+ * @tz: thermal zone for which to estimate the constants
+ * @sustainable_power: sustainable power for the thermal zone
+ * @trip_switch_on: trip point number for the switch on temperature
+ * @control_temp: target temperature for the power allocator governor
+ * @force: whether to force the update of the constants
+ *
+ * This function is used to update the estimation of the PID
+ * controller constants in struct thermal_zone_parameters.
+ * Sustainable power is provided in case it was estimated. The
+ * estimated sustainable_power should not be stored in the
+ * thermal_zone_parameters so it has to be passed explicitly to this
+ * function.
+ *
+ * If @force is not set, the values in the thermal zone's parameters
+ * are preserved if they are not zero. If @force is set, the values
+ * in thermal zone's parameters are overwritten.
+ */
+static void estimate_pid_constants(struct thermal_zone_device *tz,
+ u32 sustainable_power, int trip_switch_on,
+ int control_temp, bool force)
+{
+ int ret;
+ int switch_on_temp;
+ u32 temperature_threshold;
+
+ ret = tz->ops->get_trip_temp(tz, trip_switch_on, &switch_on_temp);
+ if (ret)
+ switch_on_temp = 0;
+
+ temperature_threshold = control_temp - switch_on_temp;
+
+ if (!tz->tzp->k_po || force)
+ tz->tzp->k_po = int_to_frac(sustainable_power) /
+ temperature_threshold;
+
+ if (!tz->tzp->k_pu || force)
+ tz->tzp->k_pu = int_to_frac(2 * sustainable_power) /
+ temperature_threshold;
+
+ if (!tz->tzp->k_i || force)
+ tz->tzp->k_i = int_to_frac(10) / 1000;
+ /*
+ * The default for k_d and integral_cutoff is 0, so we can
+ * leave them as they are.
+ */
+}
+
+/**
* pid_controller() - PID controller
* @tz: thermal zone we are operating in
* @current_temp: the current temperature in millicelsius
@@ -98,10 +187,20 @@ static u32 pid_controller(struct thermal_zone_device *tz,
{
s64 p, i, d, power_range;
s32 err, max_power_frac;
+ u32 sustainable_power;
struct power_allocator_params *params = tz->governor_data;
max_power_frac = int_to_frac(max_allocatable_power);
+ if (tz->tzp->sustainable_power) {
+ sustainable_power = tz->tzp->sustainable_power;
+ } else {
+ sustainable_power = estimate_sustainable_power(tz);
+ estimate_pid_constants(tz, sustainable_power,
+ params->trip_switch_on, control_temp,
+ true);
+ }
+
err = control_temp - current_temp;
err = int_to_frac(err);
@@ -139,7 +238,7 @@ static u32 pid_controller(struct thermal_zone_device *tz,
power_range = p + i + d;
/* feed-forward the known sustainable dissipatable power */
- power_range = tz->tzp->sustainable_power + frac_to_int(power_range);
+ power_range = sustainable_power + frac_to_int(power_range);
power_range = clamp(power_range, (s64)0, (s64)max_allocatable_power);
@@ -247,6 +346,11 @@ static int allocate_power(struct thermal_zone_device *tz,
}
}
+ if (!num_actors) {
+ ret = -ENODEV;
+ goto unlock;
+ }
+
/*
* We need to allocate five arrays of the same size:
* req_power, max_power, granted_power, extra_actor_power and
@@ -340,43 +444,66 @@ unlock:
return ret;
}
-static int get_governor_trips(struct thermal_zone_device *tz,
- struct power_allocator_params *params)
+/**
+ * get_governor_trips() - get the number of the two trip points that are key for this governor
+ * @tz: thermal zone to operate on
+ * @params: pointer to private data for this governor
+ *
+ * The power allocator governor works optimally with two trips points:
+ * a "switch on" trip point and a "maximum desired temperature". These
+ * are defined as the first and last passive trip points.
+ *
+ * If there is only one trip point, then that's considered to be the
+ * "maximum desired temperature" trip point and the governor is always
+ * on. If there are no passive or active trip points, then the
+ * governor won't do anything. In fact, its throttle function
+ * won't be called at all.
+ */
+static void get_governor_trips(struct thermal_zone_device *tz,
+ struct power_allocator_params *params)
{
- int i, ret, last_passive;
+ int i, last_active, last_passive;
bool found_first_passive;
found_first_passive = false;
- last_passive = -1;
- ret = -EINVAL;
+ last_active = INVALID_TRIP;
+ last_passive = INVALID_TRIP;
for (i = 0; i < tz->trips; i++) {
enum thermal_trip_type type;
+ int ret;
ret = tz->ops->get_trip_type(tz, i, &type);
- if (ret)
- return ret;
+ if (ret) {
+ dev_warn(&tz->device,
+ "Failed to get trip point %d type: %d\n", i,
+ ret);
+ continue;
+ }
- if (!found_first_passive) {
- if (type == THERMAL_TRIP_PASSIVE) {
+ if (type == THERMAL_TRIP_PASSIVE) {
+ if (!found_first_passive) {
params->trip_switch_on = i;
found_first_passive = true;
+ } else {
+ last_passive = i;
}
- } else if (type == THERMAL_TRIP_PASSIVE) {
- last_passive = i;
+ } else if (type == THERMAL_TRIP_ACTIVE) {
+ last_active = i;
} else {
break;
}
}
- if (last_passive != -1) {
+ if (last_passive != INVALID_TRIP) {
params->trip_max_desired_temperature = last_passive;
- ret = 0;
+ } else if (found_first_passive) {
+ params->trip_max_desired_temperature = params->trip_switch_on;
+ params->trip_switch_on = INVALID_TRIP;
} else {
- ret = -EINVAL;
+ params->trip_switch_on = INVALID_TRIP;
+ params->trip_max_desired_temperature = last_active;
}
-
- return ret;
}
static void reset_pid_controller(struct power_allocator_params *params)
@@ -405,60 +532,45 @@ static void allow_maximum_power(struct thermal_zone_device *tz)
* power_allocator_bind() - bind the power_allocator governor to a thermal zone
* @tz: thermal zone to bind it to
*
- * Check that the thermal zone is valid for this governor, that is, it
- * has two thermal trips. If so, initialize the PID controller
- * parameters and bind it to the thermal zone.
+ * Initialize the PID controller parameters and bind it to the thermal
+ * zone.
*
- * Return: 0 on success, -EINVAL if the trips were invalid or -ENOMEM
- * if we ran out of memory.
+ * Return: 0 on success, or -ENOMEM if we ran out of memory.
*/
static int power_allocator_bind(struct thermal_zone_device *tz)
{
int ret;
struct power_allocator_params *params;
- int switch_on_temp, control_temp;
- u32 temperature_threshold;
-
- if (!tz->tzp || !tz->tzp->sustainable_power) {
- dev_err(&tz->device,
- "power_allocator: missing sustainable_power\n");
- return -EINVAL;
- }
+ int control_temp;
params = kzalloc(sizeof(*params), GFP_KERNEL);
if (!params)
return -ENOMEM;
- ret = get_governor_trips(tz, params);
- if (ret) {
- dev_err(&tz->device,
- "thermal zone %s has wrong trip setup for power allocator\n",
- tz->type);
- goto free;
- }
+ if (!tz->tzp) {
+ tz->tzp = kzalloc(sizeof(*tz->tzp), GFP_KERNEL);
+ if (!tz->tzp) {
+ ret = -ENOMEM;
+ goto free_params;
+ }
- ret = tz->ops->get_trip_temp(tz, params->trip_switch_on,
- &switch_on_temp);
- if (ret)
- goto free;
+ params->allocated_tzp = true;
+ }
- ret = tz->ops->get_trip_temp(tz, params->trip_max_desired_temperature,
- &control_temp);
- if (ret)
- goto free;
+ if (!tz->tzp->sustainable_power)
+ dev_warn(&tz->device, "power_allocator: sustainable_power will be estimated\n");
- temperature_threshold = control_temp - switch_on_temp;
+ get_governor_trips(tz, params);
- tz->tzp->k_po = tz->tzp->k_po ?:
- int_to_frac(tz->tzp->sustainable_power) / temperature_threshold;
- tz->tzp->k_pu = tz->tzp->k_pu ?:
- int_to_frac(2 * tz->tzp->sustainable_power) /
- temperature_threshold;
- tz->tzp->k_i = tz->tzp->k_i ?: int_to_frac(10) / 1000;
- /*
- * The default for k_d and integral_cutoff is 0, so we can
- * leave them as they are.
- */
+ if (tz->trips > 0) {
+ ret = tz->ops->get_trip_temp(tz,
+ params->trip_max_desired_temperature,
+ &control_temp);
+ if (!ret)
+ estimate_pid_constants(tz, tz->tzp->sustainable_power,
+ params->trip_switch_on,
+ control_temp, false);
+ }
reset_pid_controller(params);
@@ -466,14 +578,23 @@ static int power_allocator_bind(struct thermal_zone_device *tz)
return 0;
-free:
+free_params:
kfree(params);
+
return ret;
}
static void power_allocator_unbind(struct thermal_zone_device *tz)
{
+ struct power_allocator_params *params = tz->governor_data;
+
dev_dbg(&tz->device, "Unbinding from thermal zone %d\n", tz->id);
+
+ if (params->allocated_tzp) {
+ kfree(tz->tzp);
+ tz->tzp = NULL;
+ }
+
kfree(tz->governor_data);
tz->governor_data = NULL;
}
@@ -499,13 +620,7 @@ static int power_allocator_throttle(struct thermal_zone_device *tz, int trip)
ret = tz->ops->get_trip_temp(tz, params->trip_switch_on,
&switch_on_temp);
- if (ret) {
- dev_warn(&tz->device,
- "Failed to get switch on temperature: %d\n", ret);
- return ret;
- }
-
- if (current_temp < switch_on_temp) {
+ if (!ret && (current_temp < switch_on_temp)) {
tz->passive = 0;
reset_pid_controller(params);
allow_maximum_power(tz);
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 5e5fc7015c7f..d9e525cc9c1c 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -1013,6 +1013,34 @@ int power_actor_get_max_power(struct thermal_cooling_device *cdev,
}
/**
+ * power_actor_get_min_power() - get the mainimum power that a cdev can consume
+ * @cdev: pointer to &thermal_cooling_device
+ * @tz: a valid thermal zone device pointer
+ * @min_power: pointer in which to store the minimum power
+ *
+ * Calculate the minimum power consumption in milliwatts that the
+ * cooling device can currently consume and store it in @min_power.
+ *
+ * Return: 0 on success, -EINVAL if @cdev doesn't support the
+ * power_actor API or -E* on other error.
+ */
+int power_actor_get_min_power(struct thermal_cooling_device *cdev,
+ struct thermal_zone_device *tz, u32 *min_power)
+{
+ unsigned long max_state;
+ int ret;
+
+ if (!cdev_is_power_actor(cdev))
+ return -EINVAL;
+
+ ret = cdev->ops->get_max_state(cdev, &max_state);
+ if (ret)
+ return ret;
+
+ return cdev->ops->state2power(cdev, tz, max_state, min_power);
+}
+
+/**
* power_actor_set_power() - limit the maximum power that a cooling device can consume
* @cdev: pointer to &thermal_cooling_device
* @instance: thermal instance to update
diff --git a/drivers/thermal/ti-soc-thermal/Kconfig b/drivers/thermal/ti-soc-thermal/Kconfig
index bd4c7beba679..cb6686ff09ae 100644
--- a/drivers/thermal/ti-soc-thermal/Kconfig
+++ b/drivers/thermal/ti-soc-thermal/Kconfig
@@ -1,7 +1,5 @@
config TI_SOC_THERMAL
tristate "Texas Instruments SoCs temperature sensor driver"
- depends on THERMAL
- depends on ARCH_HAS_BANDGAP
help
If you say yes here you get support for the Texas Instruments
OMAP4460+ on die bandgap temperature sensor support. The register
@@ -24,7 +22,7 @@ config TI_THERMAL
config OMAP4_THERMAL
bool "Texas Instruments OMAP4 thermal support"
depends on TI_SOC_THERMAL
- depends on ARCH_OMAP4
+ depends on ARCH_OMAP4 || COMPILE_TEST
help
If you say yes here you get thermal support for the Texas Instruments
OMAP4 SoC family. The current chip supported are:
@@ -38,7 +36,7 @@ config OMAP4_THERMAL
config OMAP5_THERMAL
bool "Texas Instruments OMAP5 thermal support"
depends on TI_SOC_THERMAL
- depends on SOC_OMAP5
+ depends on SOC_OMAP5 || COMPILE_TEST
help
If you say yes here you get thermal support for the Texas Instruments
OMAP5 SoC family. The current chip supported are:
@@ -50,7 +48,7 @@ config OMAP5_THERMAL
config DRA752_THERMAL
bool "Texas Instruments DRA752 thermal support"
depends on TI_SOC_THERMAL
- depends on SOC_DRA7XX
+ depends on SOC_DRA7XX || COMPILE_TEST
help
If you say yes here you get thermal support for the Texas Instruments
DRA752 SoC family. The current chip supported are: