From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> Document in which order the CTM matrix elements are stored. Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> --- include/uapi/drm/drm_mode.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index 46becedf5b2f..43691058d28f 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -834,6 +834,11 @@ struct drm_color_ctm { /* * Conversion matrix in S31.32 sign-magnitude * (not two's complement!) format. + * + * out matrix in + * |R| |0 1 2| |R| + * |G| = |3 4 5| x |G| + * |B| |6 7 8| |B| */ __u64 matrix[9]; }; -- 2.39.2