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1b61bea237
Add a new general DRM property named "color format" which can be used by userspace to request the display driver to output a particular color format. Possible string values for the new enum property are: - "AUTO" (setup by default, driver internally picks the color format) - "RGB" - "YUV 4:4:4" - "YUV 4:2:2" - "YUV 4:2:0" Drivers should advertise from this list the formats they support in an optimistic best-case scenario. EDID data from the sink can then be used in the kernel's atomic check phase to restrict this set of formats, as well as by userspace to make a correct choice in the first place. Co-developed-by: Werner Sembach <wse@tuxedocomputers.com> Signed-off-by: Werner Sembach <wse@tuxedocomputers.com> Co-developed-by: Andri Yngvason <andri@yngvason.is> Signed-off-by: Andri Yngvason <andri@yngvason.is> Signed-off-by: Marius Vlad <marius.vlad@collabora.com> Reviewed-by: Maxime Ripard <mripard@kernel.org> Reviewed-by: Daniel Stone <daniel@fooishbar.org> Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com> Link: https://patch.msgid.link/20260609-color-format-v17-3-35739b5782cc@collabora.com Signed-off-by: Daniel Stone <daniels@collabora.com>