diff options
| author | Boris Brezillon <boris.brezillon@collabora.com> | 2025-12-08 11:08:36 +0100 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@collabora.com> | 2025-12-09 13:09:36 +0100 |
| commit | 2396d65d94fc75d39f096b9777f9edc9c8e677c1 (patch) | |
| tree | 73083fad44611a13b1e36eb13d1171e8df7531d4 /include/uapi | |
| parent | 3ae6637378e64e56634ce257cb354636ada96d69 (diff) | |
drm/panfrost: Expose the selected coherency protocol to the UMD
Will be needed if we want to skip CPU cache maintenance operations when
the GPU can snoop CPU caches.
v2:
- New commit
v3:
- Fix the coherency values (enum instead of bitmask)
v4:
- Fix init/test on coherency_features
v5:
- No changes
v6:
- Collect R-b
v7:
- No changes
v8:
- No changes
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://patch.msgid.link/20251208100841.730527-10-boris.brezillon@collabora.com
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/drm/panfrost_drm.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/uapi/drm/panfrost_drm.h b/include/uapi/drm/panfrost_drm.h index 1956431bb391..0c59714ae42b 100644 --- a/include/uapi/drm/panfrost_drm.h +++ b/include/uapi/drm/panfrost_drm.h @@ -228,6 +228,13 @@ enum drm_panfrost_param { DRM_PANFROST_PARAM_SYSTEM_TIMESTAMP, DRM_PANFROST_PARAM_SYSTEM_TIMESTAMP_FREQUENCY, DRM_PANFROST_PARAM_ALLOWED_JM_CTX_PRIORITIES, + DRM_PANFROST_PARAM_SELECTED_COHERENCY, +}; + +enum drm_panfrost_gpu_coherency { + DRM_PANFROST_GPU_COHERENCY_ACE_LITE = 0, + DRM_PANFROST_GPU_COHERENCY_ACE = 1, + DRM_PANFROST_GPU_COHERENCY_NONE = 31, }; struct drm_panfrost_get_param { |