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drm/fourcc: Add drm_format_info.is_color_indexed flag

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Add a flag to struct drm_format_info to indicate if a format is
color-indexed, similar to the existing .is_yuv flag.

This way generic code and drivers can just check this flag, instead of
checking against a list of fourcc formats.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/90cd390b2b4d481661f966de7b504f1702d80dfd.1657294931.git.geert@linux-m68k.org
This commit is contained in:
Geert Uytterhoeven 2022-07-08 20:20:47 +02:00 committed by Sam Ravnborg
parent 96dc635d55
commit dc1dc76bd9
2 changed files with 4 additions and 1 deletions
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2
drivers/gpu/drm/drm_fourcc.c
View File

@ -132,7 +132,7 @@ EXPORT_SYMBOL(drm_driver_legacy_fb_format);
const struct drm_format_info *__drm_format_info(u32 format)
{
static const struct drm_format_info formats[] = {
{ .format = DRM_FORMAT_C8, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .hsub = 1, .vsub = 1 },
{ .format = DRM_FORMAT_C8, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .hsub = 1, .vsub = 1, .is_color_indexed = true },
{ .format = DRM_FORMAT_R8, .depth = 8, .num_planes = 1, .cpp = { 1, 0, 0 }, .hsub = 1, .vsub = 1 },
{ .format = DRM_FORMAT_R10, .depth = 10, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
{ .format = DRM_FORMAT_R12, .depth = 12, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },

3
include/drm/drm_fourcc.h
View File

@ -138,6 +138,9 @@ struct drm_format_info {
/** @is_yuv: Is it a YUV format? */
bool is_yuv;
/** @is_color_indexed: Is it a color-indexed format? */
bool is_color_indexed;
};
/**