[PATCH v2 02/10] 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@xxxxxxxxxxxxxx>
---
v2:
  - New.
---
 drivers/gpu/drm/drm_fourcc.c | 2 +-
 include/drm/drm_fourcc.h     | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
index cf48ea0b2cb70ba8..6c76bd821d17e7c7 100644
--- a/drivers/gpu/drm/drm_fourcc.c
+++ b/drivers/gpu/drm/drm_fourcc.c
@@ -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 },
diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h
index 3800a7ad7f0cda7a..532ae78ca747e6c4 100644
--- a/include/drm/drm_fourcc.h
+++ b/include/drm/drm_fourcc.h
@@ -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;
 };
 
 /**
-- 
2.25.1




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