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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-14 11:07:56 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-14 11:07:56 -0800 |
commit | 1d36dffa5d887715dacca0f717f4519b7be5e498 (patch) | |
tree | a68f7c00dbb3036a67806ed6c6b8cc61c3cff60d /drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c | |
parent | 2c85ebc57b3e1817b6ce1a6b703928e113a90442 (diff) | |
parent | b10733527bfd864605c33ab2e9a886eec317ec39 (diff) | |
download | linux-1d36dffa5d887715dacca0f717f4519b7be5e498.tar.bz2 |
Merge tag 'drm-next-2020-12-11' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"Not a huge amount of big things here, AMD has support for a few new HW
variants (vangogh, green sardine, dimgrey cavefish), Intel has some
more DG1 enablement. We have a few big reworks of the TTM layers and
interfaces, GEM and atomic internal API reworks cross tree. fbdev is
marked orphaned in here as well to reflect the current reality.
core:
- documentation updates
- deprecate DRM_FORMAT_MOD_NONE
- atomic crtc enable/disable rework
- GEM convert drivers to gem object functions
- remove SCATTER_LIST_MAX_SEGMENT
sched:
- avoid infinite waits
ttm:
- remove AGP support
- don't modify caching for swapout
- ttm pinning rework
- major TTM reworks
- new backend allocator
- multihop support
vram-helper:
- top down BO placement fix
- TTM changes
- GEM object support
displayport:
- DP 2.0 DPCD prep work
- DP MST extended DPCD caps
fbdev:
- mark as orphaned
amdgpu:
- Initial Vangogh support
- Green Sardine support
- Dimgrey Cavefish support
- SG display support for renoir
- SMU7 improvements
- gfx9+ modiifier support
- CI BACO fixes
radeon:
- expose voltage via hwmon on SUMO
amdkfd:
- fix unique id handling
i915:
- more DG1 enablement
- bigjoiner support
- integer scaling filter support
- async flip support
- ICL+ DSI command mode
- Improve display shutdown
- Display refactoring
- eLLC machine fbdev loading fix
- dma scatterlist fixes
- TGL hang fixes
- eLLC display buffer caching on SKL+
- MOCS PTE seeting for gen9+
msm:
- Shutdown hook
- GPU cooling device support
- DSI 7nm and 10nm phy/pll updates
- sm8150/sm2850 DPU support
- GEM locking re-work
- LLCC system cache support
aspeed:
- sysfs output config support
ast:
- LUT fix
- new display mode
gma500:
- remove 2d framebuffer accel
panfrost:
- move gpu reset to a worker
exynos:
- new HDMI mode support
mediatek:
- MT8167 support
- yaml bindings
- MIPI DSI phy code moved
etnaviv:
- new perf counter
- more lockdep annotation
hibmc:
- i2c DDC support
ingenic:
- pixel clock reset fix
- reserved memory support
- allow both DMA channels at once
- different pixel format support
- 30/24/8-bit palette modes
tilcdc:
- don't keep vblank irq enabled
vc4:
- new maintainer added
- DSI registration fix
virtio:
- blob resource support
- host visible and cross-device support
- uuid api support"
* tag 'drm-next-2020-12-11' of git://anongit.freedesktop.org/drm/drm: (1754 commits)
drm/amdgpu: Initialise drm_gem_object_funcs for imported BOs
drm/amdgpu: fix size calculation with stolen vga memory
drm/amdgpu: remove amdgpu_ttm_late_init and amdgpu_bo_late_init
drm/amdgpu: free the pre-OS console framebuffer after the first modeset
drm/amdgpu: enable runtime pm using BACO on CI dGPUs
drm/amdgpu/cik: enable BACO reset on Bonaire
drm/amd/pm: update smu10.h WORKLOAD_PPLIB setting for raven
drm/amd/pm: remove one unsupported smu function for vangogh
drm/amd/display: setup system context for APUs
drm/amd/display: add S/G support for Vangogh
drm/amdkfd: Fix leak in dmabuf import
drm/amdgpu: use AMDGPU_NUM_VMID when possible
drm/amdgpu: fix sdma instance fw version and feature version init
drm/amd/pm: update driver if version for dimgrey_cavefish
drm/amd/display: 3.2.115
drm/amd/display: [FW Promotion] Release 0.0.45
drm/amd/display: Revert DCN2.1 dram_clock_change_latency update
drm/amd/display: Enable gpu_vm_support for dcn3.01
drm/amd/display: Fixed the audio noise during mode switching with HDCP mode on
drm/amd/display: Add wm table for Renoir
...
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c new file mode 100644 index 000000000000..aa36022670f9 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c @@ -0,0 +1,341 @@ +/* + * Copyright 2020 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#include "amdgpu.h" +#include "amdgpu_atombios.h" +#include "nbio_v7_2.h" + +#include "nbio/nbio_7_2_0_offset.h" +#include "nbio/nbio_7_2_0_sh_mask.h" +#include <uapi/linux/kfd_ioctl.h> + +static void nbio_v7_2_remap_hdp_registers(struct amdgpu_device *adev) +{ + WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL, + adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL); + WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL, + adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL); +} + +static u32 nbio_v7_2_get_rev_id(struct amdgpu_device *adev) +{ + u32 tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0); + + tmp &= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK; + tmp >>= RCC_STRAP0_RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT; + + return tmp; +} + +static void nbio_v7_2_mc_access_enable(struct amdgpu_device *adev, bool enable) +{ + if (enable) + WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN, + BIF_BX0_BIF_FB_EN__FB_READ_EN_MASK | + BIF_BX0_BIF_FB_EN__FB_WRITE_EN_MASK); + else + WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN, 0); +} + +static void nbio_v7_2_hdp_flush(struct amdgpu_device *adev, + struct amdgpu_ring *ring) +{ + if (!ring || !ring->funcs->emit_wreg) + WREG32_NO_KIQ((adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL) >> 2, 0); + else + amdgpu_ring_emit_wreg(ring, (adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL) >> 2, 0); +} + +static u32 nbio_v7_2_get_memsize(struct amdgpu_device *adev) +{ + return RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_CONFIG_MEMSIZE); +} + +static void nbio_v7_2_sdma_doorbell_range(struct amdgpu_device *adev, int instance, + bool use_doorbell, int doorbell_index, + int doorbell_size) +{ + u32 reg = SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_SDMA0_DOORBELL_RANGE); + u32 doorbell_range = RREG32_PCIE_PORT(reg); + + if (use_doorbell) { + doorbell_range = REG_SET_FIELD(doorbell_range, + GDC0_BIF_SDMA0_DOORBELL_RANGE, + OFFSET, doorbell_index); + doorbell_range = REG_SET_FIELD(doorbell_range, + GDC0_BIF_SDMA0_DOORBELL_RANGE, + SIZE, doorbell_size); + } else { + doorbell_range = REG_SET_FIELD(doorbell_range, + GDC0_BIF_SDMA0_DOORBELL_RANGE, + SIZE, 0); + } + + WREG32_PCIE_PORT(reg, doorbell_range); +} + +static void nbio_v7_2_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell, + int doorbell_index, int instance) +{ + u32 reg = SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_VCN0_DOORBELL_RANGE); + u32 doorbell_range = RREG32_PCIE_PORT(reg); + + if (use_doorbell) { + doorbell_range = REG_SET_FIELD(doorbell_range, + GDC0_BIF_VCN0_DOORBELL_RANGE, OFFSET, + doorbell_index); + doorbell_range = REG_SET_FIELD(doorbell_range, + GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 8); + } else { + doorbell_range = REG_SET_FIELD(doorbell_range, + GDC0_BIF_VCN0_DOORBELL_RANGE, SIZE, 0); + } + + WREG32_PCIE_PORT(reg, doorbell_range); +} + +static void nbio_v7_2_enable_doorbell_aperture(struct amdgpu_device *adev, + bool enable) +{ + u32 reg; + + reg = RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN); + reg = REG_SET_FIELD(reg, RCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN, + BIF_DOORBELL_APER_EN, enable ? 1 : 0); + + WREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_0_RCC_DOORBELL_APER_EN, reg); +} + +static void nbio_v7_2_enable_doorbell_selfring_aperture(struct amdgpu_device *adev, + bool enable) +{ + u32 tmp = 0; + + if (enable) { + tmp = REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, + DOORBELL_SELFRING_GPA_APER_EN, 1) | + REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, + DOORBELL_SELFRING_GPA_APER_MODE, 1) | + REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, + DOORBELL_SELFRING_GPA_APER_SIZE, 0); + + WREG32_SOC15(NBIO, 0, + regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW, + lower_32_bits(adev->doorbell.base)); + WREG32_SOC15(NBIO, 0, + regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH, + upper_32_bits(adev->doorbell.base)); + } + + WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, + tmp); +} + + +static void nbio_v7_2_ih_doorbell_range(struct amdgpu_device *adev, + bool use_doorbell, int doorbell_index) +{ + u32 ih_doorbell_range = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_IH_DOORBELL_RANGE)); + + if (use_doorbell) { + ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, + GDC0_BIF_IH_DOORBELL_RANGE, OFFSET, + doorbell_index); + ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, + GDC0_BIF_IH_DOORBELL_RANGE, SIZE, + 2); + } else { + ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, + GDC0_BIF_IH_DOORBELL_RANGE, SIZE, + 0); + } + + WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regGDC0_BIF_IH_DOORBELL_RANGE), + ih_doorbell_range); +} + +static void nbio_v7_2_ih_control(struct amdgpu_device *adev) +{ + u32 interrupt_cntl; + + /* setup interrupt control */ + WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL2, + adev->dummy_page_addr >> 8); + + interrupt_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL); + /* + * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi + * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN + */ + interrupt_cntl = REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL, + IH_DUMMY_RD_OVERRIDE, 0); + + /* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */ + interrupt_cntl = REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL, + IH_REQ_NONSNOOP_EN, 0); + + WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL, interrupt_cntl); +} + +static void nbio_v7_2_update_medium_grain_clock_gating(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regCPM_CONTROL)); + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) { + data |= (CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK | + CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK); + } else { + data &= ~(CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK | + CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK | + CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK); + } + + if (def != data) + WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regCPM_CONTROL), data); +} + +static void nbio_v7_2_update_medium_grain_light_sleep(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2)); + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) { + data |= (PCIE_CNTL2__SLV_MEM_LS_EN_MASK | + PCIE_CNTL2__MST_MEM_LS_EN_MASK | + PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK); + } else { + data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK | + PCIE_CNTL2__MST_MEM_LS_EN_MASK | + PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK); + } + + if (def != data) + WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2), data); +} + +static void nbio_v7_2_get_clockgating_state(struct amdgpu_device *adev, + u32 *flags) +{ + int data; + + /* AMD_CG_SUPPORT_BIF_MGCG */ + data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regCPM_CONTROL)); + if (data & CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK) + *flags |= AMD_CG_SUPPORT_BIF_MGCG; + + /* AMD_CG_SUPPORT_BIF_LS */ + data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CNTL2)); + if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK) + *flags |= AMD_CG_SUPPORT_BIF_LS; +} + +static u32 nbio_v7_2_get_hdp_flush_req_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_REQ); +} + +static u32 nbio_v7_2_get_hdp_flush_done_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_DONE); +} + +static u32 nbio_v7_2_get_pcie_index_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_INDEX2); +} + +static u32 nbio_v7_2_get_pcie_data_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_DATA2); +} + +static u32 nbio_v7_2_get_pcie_port_index_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_INDEX); +} + +static u32 nbio_v7_2_get_pcie_port_data_offset(struct amdgpu_device *adev) +{ + return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_RSMU_DATA); +} + +const struct nbio_hdp_flush_reg nbio_v7_2_hdp_flush_reg = { + .ref_and_mask_cp0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP0_MASK, + .ref_and_mask_cp1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP1_MASK, + .ref_and_mask_cp2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP2_MASK, + .ref_and_mask_cp3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP3_MASK, + .ref_and_mask_cp4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP4_MASK, + .ref_and_mask_cp5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP5_MASK, + .ref_and_mask_cp6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP6_MASK, + .ref_and_mask_cp7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP7_MASK, + .ref_and_mask_cp8 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP8_MASK, + .ref_and_mask_cp9 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP9_MASK, + .ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK, + .ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK, +}; + +static void nbio_v7_2_init_registers(struct amdgpu_device *adev) +{ + uint32_t def, data; + + def = data = RREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CONFIG_CNTL)); + data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1); + data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1); + + if (def != data) + WREG32_PCIE_PORT(SOC15_REG_OFFSET(NBIO, 0, regPCIE_CONFIG_CNTL), + data); +} + +const struct amdgpu_nbio_funcs nbio_v7_2_funcs = { + .get_hdp_flush_req_offset = nbio_v7_2_get_hdp_flush_req_offset, + .get_hdp_flush_done_offset = nbio_v7_2_get_hdp_flush_done_offset, + .get_pcie_index_offset = nbio_v7_2_get_pcie_index_offset, + .get_pcie_data_offset = nbio_v7_2_get_pcie_data_offset, + .get_pcie_port_index_offset = nbio_v7_2_get_pcie_port_index_offset, + .get_pcie_port_data_offset = nbio_v7_2_get_pcie_port_data_offset, + .get_rev_id = nbio_v7_2_get_rev_id, + .mc_access_enable = nbio_v7_2_mc_access_enable, + .hdp_flush = nbio_v7_2_hdp_flush, + .get_memsize = nbio_v7_2_get_memsize, + .sdma_doorbell_range = nbio_v7_2_sdma_doorbell_range, + .vcn_doorbell_range = nbio_v7_2_vcn_doorbell_range, + .enable_doorbell_aperture = nbio_v7_2_enable_doorbell_aperture, + .enable_doorbell_selfring_aperture = nbio_v7_2_enable_doorbell_selfring_aperture, + .ih_doorbell_range = nbio_v7_2_ih_doorbell_range, + .update_medium_grain_clock_gating = nbio_v7_2_update_medium_grain_clock_gating, + .update_medium_grain_light_sleep = nbio_v7_2_update_medium_grain_light_sleep, + .get_clockgating_state = nbio_v7_2_get_clockgating_state, + .ih_control = nbio_v7_2_ih_control, + .init_registers = nbio_v7_2_init_registers, + .remap_hdp_registers = nbio_v7_2_remap_hdp_registers, +}; 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