[PATCH v2 02/10] drm/fourcc: Add drm_format_info.is_color_indexed flag
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: 2022-03-07 20:54:30
Also in:
dri-devel, linux-m68k, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Linus Torvalds
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> --- 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; }; /**
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2.25.1