diff options
| author | Timur Kristóf <timur.kristof@gmail.com> | 2025-11-19 10:25:43 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-12-08 13:56:31 -0500 |
| commit | c3cd568d31b6d41fc201b1d0506e4f6cab7e488a (patch) | |
| tree | 0adea62844cd733fb55c339d0a36bb5c8ec03d80 /include | |
| parent | 550c6f5b90d21b84d62e658f2e986ea24bf3adb4 (diff) | |
drm/amdgpu/uapi: Clarify comment on AMDGPU_VM_PAGE_PRT
In the context of the amdgpu uAPI, the PRT flag is referring only
to unmapped pages of a partially resident texture (aka. sparse
resource), but not the full resource.
Virtual addresses marked with this flag behave as follows:
- Reads return zero
- Writes are discarded
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/drm/amdgpu_drm.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index c705fbcad3e3..351c2fb2df90 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -883,7 +883,7 @@ struct drm_amdgpu_gem_list_handles_entry { #define AMDGPU_VM_PAGE_WRITEABLE (1 << 2) /* executable mapping, new for VI */ #define AMDGPU_VM_PAGE_EXECUTABLE (1 << 3) -/* partially resident texture */ +/* unmapped page of partially resident textures */ #define AMDGPU_VM_PAGE_PRT (1 << 4) /* MTYPE flags use bit 5 to 8 */ #define AMDGPU_VM_MTYPE_MASK (0xf << 5) |