diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 21 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c | 10 |
4 files changed, 40 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h index d5f3825cd479..cd4592ff70ae 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h @@ -208,6 +208,15 @@ struct amdgpu_gmc { */ u64 fb_start; u64 fb_end; + /* In the case of use GART table for vmid0 FB access, [fb_start, fb_end] + * will be squeezed to GART aperture. But we have a PSP FW issue to fix + * for now. To temporarily workaround the PSP FW issue, added below two + * variables to remember the original fb_start/end to re-enable FB + * aperture to workaround the PSP FW issue. Will delete it after we + * get a proper PSP FW fix. + */ + u64 fb_start_original; + u64 fb_end_original; unsigned vram_width; u64 real_vram_size; int vram_mtrr; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index cf8cfe620d8c..a4f96d931573 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -407,6 +407,16 @@ static int psp_tmr_init(struct psp_context *psp) AMDGPU_GEM_DOMAIN_VRAM, &psp->tmr_bo, &psp->tmr_mc_addr, pptr); + /* workaround the tmr_mc_addr: + * PSP requires an address in FB aperture. Right now driver produce + * tmr_mc_addr in the GART aperture. Convert it back to FB aperture + * for PSP. Will revert it after we get a fix from PSP FW. + */ + if (psp->adev->asic_type == CHIP_ALDEBARAN) { + psp->tmr_mc_addr -= psp->adev->gmc.fb_start; + psp->tmr_mc_addr += psp->adev->gmc.fb_start_original; + } + return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c index 62019885bda5..d189507dcef0 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c @@ -141,12 +141,21 @@ static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev) * FB aperture and AGP aperture. Disable them. */ if (adev->gmc.pdb0_bo) { - WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP, 0); - WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_BASE, 0x00FFFFFF); - WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0); - WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFF); - WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF); - WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0); + if (adev->asic_type == CHIP_ALDEBARAN) { + WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP, adev->gmc.fb_end_original >> 24); + WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_BASE, adev->gmc.fb_start_original >> 24); + WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0); + WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFF); + WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, adev->gmc.fb_start_original >> 18); + WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, adev->gmc.fb_end_original >> 18); + } else { + WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP, 0); + WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_BASE, 0x00FFFFFF); + WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0); + WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFF); + WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF); + WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0); + } } } diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c index d53b3751418d..4df0b730774f 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c @@ -47,6 +47,8 @@ static u64 mmhub_v1_7_get_fb_location(struct amdgpu_device *adev) adev->gmc.fb_start = base; adev->gmc.fb_end = top; + adev->gmc.fb_start_original = base; + adev->gmc.fb_end_original = top; return base; } @@ -124,10 +126,10 @@ static void mmhub_v1_7_init_system_aperture_regs(struct amdgpu_device *adev) if (adev->gmc.pdb0_bo) { WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_BOT, 0xFFFFFF); WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_TOP, 0); - WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_TOP, 0); - WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_BASE, 0x00FFFFFF); - WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF); - WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0); + WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_TOP, adev->gmc.fb_end_original >> 24); + WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_BASE, adev->gmc.fb_start_original >> 24); + WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_LOW_ADDR, adev->gmc.fb_start_original >> 18); + WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_HIGH_ADDR, adev->gmc.fb_end_original >> 18); } if (amdgpu_sriov_vf(adev)) return; |