diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 9 |
1 files changed, 9 insertions, 0 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; |