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path: root/drivers/gpu/drm/radeon/r100.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
-rw-r--r--drivers/gpu/drm/radeon/r100.c474
1 files changed, 300 insertions, 174 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index e6cce24de802..c9e93eabcf16 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -32,6 +32,9 @@
#include "radeon_reg.h"
#include "radeon.h"
#include "r100d.h"
+#include "rs100d.h"
+#include "rv200d.h"
+#include "rv250d.h"
#include <linux/firmware.h>
#include <linux/platform_device.h>
@@ -60,18 +63,7 @@ MODULE_FIRMWARE(FIRMWARE_R520);
/* This files gather functions specifics to:
* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
- *
- * Some of these functions might be used by newer ASICs.
*/
-int r200_init(struct radeon_device *rdev);
-void r100_hdp_reset(struct radeon_device *rdev);
-void r100_gpu_init(struct radeon_device *rdev);
-int r100_gui_wait_for_idle(struct radeon_device *rdev);
-int r100_mc_wait_for_idle(struct radeon_device *rdev);
-void r100_gpu_wait_for_vsync(struct radeon_device *rdev);
-void r100_gpu_wait_for_vsync2(struct radeon_device *rdev);
-int r100_debugfs_mc_info_init(struct radeon_device *rdev);
-
/*
* PCI GART
@@ -152,136 +144,6 @@ void r100_pci_gart_fini(struct radeon_device *rdev)
radeon_gart_fini(rdev);
}
-
-/*
- * MC
- */
-void r100_mc_disable_clients(struct radeon_device *rdev)
-{
- uint32_t ov0_scale_cntl, crtc_ext_cntl, crtc_gen_cntl, crtc2_gen_cntl;
-
- /* FIXME: is this function correct for rs100,rs200,rs300 ? */
- if (r100_gui_wait_for_idle(rdev)) {
- printk(KERN_WARNING "Failed to wait GUI idle while "
- "programming pipes. Bad things might happen.\n");
- }
-
- /* stop display and memory access */
- ov0_scale_cntl = RREG32(RADEON_OV0_SCALE_CNTL);
- WREG32(RADEON_OV0_SCALE_CNTL, ov0_scale_cntl & ~RADEON_SCALER_ENABLE);
- crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
- WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl | RADEON_CRTC_DISPLAY_DIS);
- crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
-
- r100_gpu_wait_for_vsync(rdev);
-
- WREG32(RADEON_CRTC_GEN_CNTL,
- (crtc_gen_cntl & ~(RADEON_CRTC_CUR_EN | RADEON_CRTC_ICON_EN)) |
- RADEON_CRTC_DISP_REQ_EN_B | RADEON_CRTC_EXT_DISP_EN);
-
- if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
- crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
-
- r100_gpu_wait_for_vsync2(rdev);
- WREG32(RADEON_CRTC2_GEN_CNTL,
- (crtc2_gen_cntl &
- ~(RADEON_CRTC2_CUR_EN | RADEON_CRTC2_ICON_EN)) |
- RADEON_CRTC2_DISP_REQ_EN_B);
- }
-
- udelay(500);
-}
-
-void r100_mc_setup(struct radeon_device *rdev)
-{
- uint32_t tmp;
- int r;
-
- r = r100_debugfs_mc_info_init(rdev);
- if (r) {
- DRM_ERROR("Failed to register debugfs file for R100 MC !\n");
- }
- /* Write VRAM size in case we are limiting it */
- WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
- /* Novell bug 204882 for RN50/M6/M7 with 8/16/32MB VRAM,
- * if the aperture is 64MB but we have 32MB VRAM
- * we report only 32MB VRAM but we have to set MC_FB_LOCATION
- * to 64MB, otherwise the gpu accidentially dies */
- tmp = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1;
- tmp = REG_SET(RADEON_MC_FB_TOP, tmp >> 16);
- tmp |= REG_SET(RADEON_MC_FB_START, rdev->mc.vram_location >> 16);
- WREG32(RADEON_MC_FB_LOCATION, tmp);
-
- /* Enable bus mastering */
- tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
- WREG32(RADEON_BUS_CNTL, tmp);
-
- if (rdev->flags & RADEON_IS_AGP) {
- tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
- tmp = REG_SET(RADEON_MC_AGP_TOP, tmp >> 16);
- tmp |= REG_SET(RADEON_MC_AGP_START, rdev->mc.gtt_location >> 16);
- WREG32(RADEON_MC_AGP_LOCATION, tmp);
- WREG32(RADEON_AGP_BASE, rdev->mc.agp_base);
- } else {
- WREG32(RADEON_MC_AGP_LOCATION, 0x0FFFFFFF);
- WREG32(RADEON_AGP_BASE, 0);
- }
-
- tmp = RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL;
- tmp |= (7 << 28);
- WREG32(RADEON_HOST_PATH_CNTL, tmp | RADEON_HDP_SOFT_RESET | RADEON_HDP_READ_BUFFER_INVALIDATE);
- (void)RREG32(RADEON_HOST_PATH_CNTL);
- WREG32(RADEON_HOST_PATH_CNTL, tmp);
- (void)RREG32(RADEON_HOST_PATH_CNTL);
-}
-
-int r100_mc_init(struct radeon_device *rdev)
-{
- int r;
-
- if (r100_debugfs_rbbm_init(rdev)) {
- DRM_ERROR("Failed to register debugfs file for RBBM !\n");
- }
-
- r100_gpu_init(rdev);
- /* Disable gart which also disable out of gart access */
- r100_pci_gart_disable(rdev);
-
- /* Setup GPU memory space */
- rdev->mc.gtt_location = 0xFFFFFFFFUL;
- if (rdev->flags & RADEON_IS_AGP) {
- r = radeon_agp_init(rdev);
- if (r) {
- printk(KERN_WARNING "[drm] Disabling AGP\n");
- rdev->flags &= ~RADEON_IS_AGP;
- rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
- } else {
- rdev->mc.gtt_location = rdev->mc.agp_base;
- }
- }
- r = radeon_mc_setup(rdev);
- if (r) {
- return r;
- }
-
- r100_mc_disable_clients(rdev);
- if (r100_mc_wait_for_idle(rdev)) {
- printk(KERN_WARNING "Failed to wait MC idle while "
- "programming pipes. Bad things might happen.\n");
- }
-
- r100_mc_setup(rdev);
- return 0;
-}
-
-void r100_mc_fini(struct radeon_device *rdev)
-{
-}
-
-
-/*
- * Interrupts
- */
int r100_irq_set(struct radeon_device *rdev)
{
uint32_t tmp = 0;
@@ -324,7 +186,7 @@ static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
int r100_irq_process(struct radeon_device *rdev)
{
- uint32_t status;
+ uint32_t status, msi_rearm;
status = r100_irq_ack(rdev);
if (!status) {
@@ -347,6 +209,21 @@ int r100_irq_process(struct radeon_device *rdev)
}
status = r100_irq_ack(rdev);
}
+ if (rdev->msi_enabled) {
+ switch (rdev->family) {
+ case CHIP_RS400:
+ case CHIP_RS480:
+ msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
+ WREG32(RADEON_AIC_CNTL, msi_rearm);
+ WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
+ break;
+ default:
+ msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
+ WREG32(RADEON_MSI_REARM_EN, msi_rearm);
+ WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
+ break;
+ }
+ }
return IRQ_HANDLED;
}
@@ -358,10 +235,6 @@ u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
return RREG32(RADEON_CRTC2_CRNT_FRAME);
}
-
-/*
- * Fence emission
- */
void r100_fence_ring_emit(struct radeon_device *rdev,
struct radeon_fence *fence)
{
@@ -377,16 +250,12 @@ void r100_fence_ring_emit(struct radeon_device *rdev,
radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
}
-
-/*
- * Writeback
- */
int r100_wb_init(struct radeon_device *rdev)
{
int r;
if (rdev->wb.wb_obj == NULL) {
- r = radeon_object_create(rdev, NULL, 4096,
+ r = radeon_object_create(rdev, NULL, RADEON_GPU_PAGE_SIZE,
true,
RADEON_GEM_DOMAIN_GTT,
false, &rdev->wb.wb_obj);
@@ -504,10 +373,6 @@ int r100_copy_blit(struct radeon_device *rdev,
return r;
}
-
-/*
- * CP
- */
static int r100_cp_wait_for_idle(struct radeon_device *rdev)
{
unsigned i;
@@ -612,6 +477,7 @@ static int r100_cp_init_microcode(struct radeon_device *rdev)
}
return err;
}
+
static void r100_cp_load_microcode(struct radeon_device *rdev)
{
const __be32 *fw_data;
@@ -712,19 +578,19 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
indirect1_start = 16;
/* cp setup */
WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
- WREG32(RADEON_CP_RB_CNTL,
-#ifdef __BIG_ENDIAN
- RADEON_BUF_SWAP_32BIT |
-#endif
- REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
+ tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
REG_SET(RADEON_MAX_FETCH, max_fetch) |
RADEON_RB_NO_UPDATE);
+#ifdef __BIG_ENDIAN
+ tmp |= RADEON_BUF_SWAP_32BIT;
+#endif
+ WREG32(RADEON_CP_RB_CNTL, tmp);
+
/* Set ring address */
DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)rdev->cp.gpu_addr);
WREG32(RADEON_CP_RB_BASE, rdev->cp.gpu_addr);
/* Force read & write ptr to 0 */
- tmp = RREG32(RADEON_CP_RB_CNTL);
WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
WREG32(RADEON_CP_RB_RPTR_WR, 0);
WREG32(RADEON_CP_RB_WPTR, 0);
@@ -978,7 +844,7 @@ int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
header = radeon_get_ib_value(p, h_idx);
crtc_id = radeon_get_ib_value(p, h_idx + 5);
- reg = header >> 2;
+ reg = CP_PACKET0_GET_REG(header);
mutex_lock(&p->rdev->ddev->mode_config.mutex);
obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
if (!obj) {
@@ -1990,7 +1856,7 @@ void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
r100_pll_errata_after_data(rdev);
}
-int r100_init(struct radeon_device *rdev)
+void r100_set_safe_registers(struct radeon_device *rdev)
{
if (ASIC_IS_RN50(rdev)) {
rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
@@ -1999,9 +1865,8 @@ int r100_init(struct radeon_device *rdev)
rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
} else {
- return r200_init(rdev);
+ r200_set_safe_registers(rdev);
}
- return 0;
}
/*
@@ -2299,9 +2164,11 @@ void r100_bandwidth_update(struct radeon_device *rdev)
mode1 = &rdev->mode_info.crtcs[0]->base.mode;
pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
}
- if (rdev->mode_info.crtcs[1]->base.enabled) {
- mode2 = &rdev->mode_info.crtcs[1]->base.mode;
- pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
+ if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
+ if (rdev->mode_info.crtcs[1]->base.enabled) {
+ mode2 = &rdev->mode_info.crtcs[1]->base.mode;
+ pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
+ }
}
min_mem_eff.full = rfixed_const_8(0);
@@ -2512,7 +2379,7 @@ void r100_bandwidth_update(struct radeon_device *rdev)
/*
Find the total latency for the display data.
*/
- disp_latency_overhead.full = rfixed_const(80);
+ disp_latency_overhead.full = rfixed_const(8);
disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;
@@ -2710,8 +2577,11 @@ void r100_bandwidth_update(struct radeon_device *rdev)
static inline void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
{
DRM_ERROR("pitch %d\n", t->pitch);
+ DRM_ERROR("use_pitch %d\n", t->use_pitch);
DRM_ERROR("width %d\n", t->width);
+ DRM_ERROR("width_11 %d\n", t->width_11);
DRM_ERROR("height %d\n", t->height);
+ DRM_ERROR("height_11 %d\n", t->height_11);
DRM_ERROR("num levels %d\n", t->num_levels);
DRM_ERROR("depth %d\n", t->txdepth);
DRM_ERROR("bpp %d\n", t->cpp);
@@ -2771,15 +2641,17 @@ static int r100_cs_track_texture_check(struct radeon_device *rdev,
else
w = track->textures[u].pitch / (1 << i);
} else {
- w = track->textures[u].width / (1 << i);
+ w = track->textures[u].width;
if (rdev->family >= CHIP_RV515)
w |= track->textures[u].width_11;
+ w = w / (1 << i);
if (track->textures[u].roundup_w)
w = roundup_pow_of_two(w);
}
- h = track->textures[u].height / (1 << i);
+ h = track->textures[u].height;
if (rdev->family >= CHIP_RV515)
h |= track->textures[u].height_11;
+ h = h / (1 << i);
if (track->textures[u].roundup_h)
h = roundup_pow_of_two(h);
size += w * h;
@@ -3114,7 +2986,7 @@ void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
WREG32(R_000740_CP_CSQ_CNTL, 0);
/* Save few CRTC registers */
- save->GENMO_WT = RREG32(R_0003C0_GENMO_WT);
+ save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
@@ -3124,7 +2996,7 @@ void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
}
/* Disable VGA aperture access */
- WREG32(R_0003C0_GENMO_WT, C_0003C0_VGA_RAM_EN & save->GENMO_WT);
+ WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
/* Disable cursor, overlay, crtc */
WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
@@ -3156,10 +3028,264 @@ void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
rdev->mc.vram_location);
}
/* Restore CRTC registers */
- WREG32(R_0003C0_GENMO_WT, save->GENMO_WT);
+ WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
}
}
+
+void r100_vga_render_disable(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ tmp = RREG8(R_0003C2_GENMO_WT);
+ WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
+}
+
+static void r100_debugfs(struct radeon_device *rdev)
+{
+ int r;
+
+ r = r100_debugfs_mc_info_init(rdev);
+ if (r)
+ dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
+}
+
+static void r100_mc_program(struct radeon_device *rdev)
+{
+ struct r100_mc_save save;
+
+ /* Stops all mc clients */
+ r100_mc_stop(rdev, &save);
+ if (rdev->flags & RADEON_IS_AGP) {
+ WREG32(R_00014C_MC_AGP_LOCATION,
+ S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
+ S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
+ WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
+ if (rdev->family > CHIP_RV200)
+ WREG32(R_00015C_AGP_BASE_2,
+ upper_32_bits(rdev->mc.agp_base) & 0xff);
+ } else {
+ WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
+ WREG32(R_000170_AGP_BASE, 0);
+ if (rdev->family > CHIP_RV200)
+ WREG32(R_00015C_AGP_BASE_2, 0);
+ }
+ /* Wait for mc idle */
+ if (r100_mc_wait_for_idle(rdev))
+ dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
+ /* Program MC, should be a 32bits limited address space */
+ WREG32(R_000148_MC_FB_LOCATION,
+ S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
+ S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
+ r100_mc_resume(rdev, &save);
+}
+
+void r100_clock_startup(struct radeon_device *rdev)
+{
+ u32 tmp;
+
+ if (radeon_dynclks != -1 && radeon_dynclks)
+ radeon_legacy_set_clock_gating(rdev, 1);
+ /* We need to force on some of the block */
+ tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
+ tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
+ if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
+ tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
+ WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
+}
+
+static int r100_startup(struct radeon_device *rdev)
+{
+ int r;
+
+ r100_mc_program(rdev);
+ /* Resume clock */
+ r100_clock_startup(rdev);
+ /* Initialize GPU configuration (# pipes, ...) */
+ r100_gpu_init(rdev);
+ /* Initialize GART (initialize after TTM so we can allocate
+ * memory through TTM but finalize after TTM) */
+ if (rdev->flags & RADEON_IS_PCI) {
+ r = r100_pci_gart_enable(rdev);
+ if (r)
+ return r;
+ }
+ /* Enable IRQ */
+ rdev->irq.sw_int = true;
+ r100_irq_set(rdev);
+ /* 1M ring buffer */
+ r = r100_cp_init(rdev, 1024 * 1024);
+ if (r) {
+ dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
+ return r;
+ }
+ r = r100_wb_init(rdev);
+ if (r)
+ dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
+ r = r100_ib_init(rdev);
+ if (r) {
+ dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
+ return r;
+ }
+ return 0;
+}
+
+int r100_resume(struct radeon_device *rdev)
+{
+ /* Make sur GART are not working */
+ if (rdev->flags & RADEON_IS_PCI)
+ r100_pci_gart_disable(rdev);
+ /* Resume clock before doing reset */
+ r100_clock_startup(rdev);
+ /* Reset gpu before posting otherwise ATOM will enter infinite loop */
+ if (radeon_gpu_reset(rdev)) {
+ dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
+ RREG32(R_000E40_RBBM_STATUS),
+ RREG32(R_0007C0_CP_STAT));
+ }
+ /* post */
+ radeon_combios_asic_init(rdev->ddev);
+ /* Resume clock after posting */
+ r100_clock_startup(rdev);
+ return r100_startup(rdev);
+}
+
+int r100_suspend(struct radeon_device *rdev)
+{
+ r100_cp_disable(rdev);
+ r100_wb_disable(rdev);
+ r100_irq_disable(rdev);
+ if (rdev->flags & RADEON_IS_PCI)
+ r100_pci_gart_disable(rdev);
+ return 0;
+}
+
+void r100_fini(struct radeon_device *rdev)
+{
+ r100_suspend(rdev);
+ r100_cp_fini(rdev);
+ r100_wb_fini(rdev);
+ r100_ib_fini(rdev);
+ radeon_gem_fini(rdev);
+ if (rdev->flags & RADEON_IS_PCI)
+ r100_pci_gart_fini(rdev);
+ radeon_irq_kms_fini(rdev);
+ radeon_fence_driver_fini(rdev);
+ radeon_object_fini(rdev);
+ radeon_atombios_fini(rdev);
+ kfree(rdev->bios);
+ rdev->bios = NULL;
+}
+
+int r100_mc_init(struct radeon_device *rdev)
+{
+ int r;
+ u32 tmp;
+
+ /* Setup GPU memory space */
+ rdev->mc.vram_location = 0xFFFFFFFFUL;
+ rdev->mc.gtt_location = 0xFFFFFFFFUL;
+ if (rdev->flags & RADEON_IS_IGP) {
+ tmp = G_00015C_MC_FB_START(RREG32(R_00015C_NB_TOM));
+ rdev->mc.vram_location = tmp << 16;
+ }
+ if (rdev->flags & RADEON_IS_AGP) {
+ r = radeon_agp_init(rdev);
+ if (r) {
+ printk(KERN_WARNING "[drm] Disabling AGP\n");
+ rdev->flags &= ~RADEON_IS_AGP;
+ rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
+ } else {
+ rdev->mc.gtt_location = rdev->mc.agp_base;
+ }
+ }
+ r = radeon_mc_setup(rdev);
+ if (r)
+ return r;
+ return 0;
+}
+
+int r100_init(struct radeon_device *rdev)
+{
+ int r;
+
+ /* Register debugfs file specific to this group of asics */
+ r100_debugfs(rdev);
+ /* Disable VGA */
+ r100_vga_render_disable(rdev);
+ /* Initialize scratch registers */
+ radeon_scratch_init(rdev);
+ /* Initialize surface registers */
+ radeon_surface_init(rdev);
+ /* TODO: disable VGA need to use VGA request */
+ /* BIOS*/
+ if (!radeon_get_bios(rdev)) {
+ if (ASIC_IS_AVIVO(rdev))
+ return -EINVAL;
+ }
+ if (rdev->is_atom_bios) {
+ dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
+ return -EINVAL;
+ } else {
+ r = radeon_combios_init(rdev);
+ if (r)
+ return r;
+ }
+ /* Reset gpu before posting otherwise ATOM will enter infinite loop */
+ if (radeon_gpu_reset(rdev)) {
+ dev_warn(rdev->dev,
+ "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
+ RREG32(R_000E40_RBBM_STATUS),
+ RREG32(R_0007C0_CP_STAT));
+ }
+ /* check if cards are posted or not */
+ if (!radeon_card_posted(rdev) && rdev->bios) {
+ DRM_INFO("GPU not posted. posting now...\n");
+ radeon_combios_asic_init(rdev->ddev);
+ }
+ /* Set asic errata */
+ r100_errata(rdev);
+ /* Initialize clocks */
+ radeon_get_clock_info(rdev->ddev);
+ /* Get vram informations */
+ r100_vram_info(rdev);
+ /* Initialize memory controller (also test AGP) */
+ r = r100_mc_init(rdev);
+ if (r)
+ return r;
+ /* Fence driver */
+ r = radeon_fence_driver_init(rdev);
+ if (r)
+ return r;
+ r = radeon_irq_kms_init(rdev);
+ if (r)
+ return r;
+ /* Memory manager */
+ r = radeon_object_init(rdev);
+ if (r)
+ return r;
+ if (rdev->flags & RADEON_IS_PCI) {
+ r = r100_pci_gart_init(rdev);
+ if (r)
+ return r;
+ }
+ r100_set_safe_registers(rdev);
+ rdev->accel_working = true;
+ r = r100_startup(rdev);
+ if (r) {
+ /* Somethings want wront with the accel init stop accel */
+ dev_err(rdev->dev, "Disabling GPU acceleration\n");
+ r100_suspend(rdev);
+ r100_cp_fini(rdev);
+ r100_wb_fini(rdev);
+ r100_ib_fini(rdev);
+ if (rdev->flags & RADEON_IS_PCI)
+ r100_pci_gart_fini(rdev);
+ radeon_irq_kms_fini(rdev);
+ rdev->accel_working = false;
+ }
+ return 0;
+}