diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_display.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index 8a48cb5b5875..1d4aaa9580f4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -191,7 +191,8 @@ int amdgpu_display_crtc_page_flip_target(struct drm_crtc *crtc, } if (!adev->enable_virtual_display) { - r = amdgpu_bo_pin(new_abo, amdgpu_display_supported_domains(adev)); + r = amdgpu_bo_pin(new_abo, + amdgpu_display_supported_domains(adev, new_abo->flags)); if (unlikely(r != 0)) { DRM_ERROR("failed to pin new abo buffer before flip\n"); goto unreserve; @@ -495,13 +496,25 @@ static const struct drm_framebuffer_funcs amdgpu_fb_funcs = { .create_handle = drm_gem_fb_create_handle, }; -uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev) +uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev, + uint64_t bo_flags) { uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM; #if defined(CONFIG_DRM_AMD_DC) - if (adev->asic_type >= CHIP_CARRIZO && adev->asic_type < CHIP_RAVEN && - adev->flags & AMD_IS_APU && + /* + * if amdgpu_bo_support_uswc returns false it means that USWC mappings + * is not supported for this board. But this mapping is required + * to avoid hang caused by placement of scanout BO in GTT on certain + * APUs. So force the BO placement to VRAM in case this architecture + * will not allow USWC mappings. + * Also, don't allow GTT domain if the BO doens't have USWC falg set. + */ + if (adev->asic_type >= CHIP_CARRIZO && + adev->asic_type <= CHIP_RAVEN && + (adev->flags & AMD_IS_APU) && + (bo_flags & AMDGPU_GEM_CREATE_CPU_GTT_USWC) && + amdgpu_bo_support_uswc(bo_flags) && amdgpu_device_asic_has_dc_support(adev->asic_type)) domain |= AMDGPU_GEM_DOMAIN_GTT; #endif |