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| author | Maxime Ripard <maxime.ripard@free-electrons.com> | 2017-12-22 15:29:26 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2018-01-29 12:07:47 +0100 |
| commit | 4cc4e1b40f3ff5227c9f326542b75947b464a635 (patch) | |
| tree | 16a85f97d97e5722d11d92dc5ff8d5568e161866 /include/drm/drm_fourcc.h | |
| parent | drm/stm: ltdc: use crtc_mode_fixup to update adjusted_mode clock (diff) | |
| download | linux-4cc4e1b40f3ff5227c9f326542b75947b464a635.tar.xz linux-4cc4e1b40f3ff5227c9f326542b75947b464a635.zip | |
drm/fourcc: Add a alpha field to drm_format_info
There's a bunch of drivers that duplicate the same function to know if a
particular format embeds an alpha component or not.
Let's create a field in the drm_format_info to avoid duplicating that logic
and looking up formats all the time.
Cc: Eric Anholt <eric@anholt.net>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Mark Yao <mark.yao@rock-chips.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Reviewed-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9cd9951d147ff810c1f6f68d79e7983361ed6b68.1516617243.git-series.maxime.ripard@free-electrons.com
Diffstat (limited to 'include/drm/drm_fourcc.h')
| -rw-r--r-- | include/drm/drm_fourcc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h index 6942e84b6edd..3e86408dac9f 100644 --- a/include/drm/drm_fourcc.h +++ b/include/drm/drm_fourcc.h @@ -38,6 +38,7 @@ struct drm_mode_fb_cmd2; * @cpp: Number of bytes per pixel (per plane) * @hsub: Horizontal chroma subsampling factor * @vsub: Vertical chroma subsampling factor + * @has_alpha: Does the format embeds an alpha component? */ struct drm_format_info { u32 format; @@ -46,6 +47,7 @@ struct drm_format_info { u8 cpp[3]; u8 hsub; u8 vsub; + bool has_alpha; }; /** |