diff options
author | Simon Ser <contact@emersion.fr> | 2023-11-22 19:19:40 +0300 |
---|---|---|
committer | Simon Ser <contact@emersion.fr> | 2023-11-23 19:13:13 +0300 |
commit | e4d983acffff270ccee417445a69b9ed198658b1 (patch) | |
tree | 1b7392b11d92122926c345d3cf65377e5d13fb6d /include | |
parent | 4b4af74ab9719d17538a97f43137e93296ec7437 (diff) | |
download | linux-e4d983acffff270ccee417445a69b9ed198658b1.tar.xz |
drm: introduce DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP
This new kernel capability indicates whether async page-flips are
supported via the atomic uAPI. DRM clients can use it to check
for support before feeding DRM_MODE_PAGE_FLIP_ASYNC to the kernel.
Make it clear that DRM_CAP_ASYNC_PAGE_FLIP is for legacy uAPI only.
Signed-off-by: Simon Ser <contact@emersion.fr>
Reviewed-by: André Almeida <andrealmeid@igalia.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: André Almeida <andrealmeid@igalia.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patchwork.freedesktop.org/patch/msgid/20231122161941.320564-4-andrealmeid@igalia.com
Diffstat (limited to 'include')
-rw-r--r-- | include/uapi/drm/drm.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h index 8662b5aeea0c..796de831f4a0 100644 --- a/include/uapi/drm/drm.h +++ b/include/uapi/drm/drm.h @@ -713,7 +713,8 @@ struct drm_gem_open { /** * DRM_CAP_ASYNC_PAGE_FLIP * - * If set to 1, the driver supports &DRM_MODE_PAGE_FLIP_ASYNC. + * If set to 1, the driver supports &DRM_MODE_PAGE_FLIP_ASYNC for legacy + * page-flips. */ #define DRM_CAP_ASYNC_PAGE_FLIP 0x7 /** @@ -773,6 +774,13 @@ struct drm_gem_open { * :ref:`drm_sync_objects`. */ #define DRM_CAP_SYNCOBJ_TIMELINE 0x14 +/** + * DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP + * + * If set to 1, the driver supports &DRM_MODE_PAGE_FLIP_ASYNC for atomic + * commits. + */ +#define DRM_CAP_ATOMIC_ASYNC_PAGE_FLIP 0x15 /* DRM_IOCTL_GET_CAP ioctl argument type */ struct drm_get_cap { |