On Tue, Apr 09, 2024 at 12:04:05PM +0200, Louis Chauvet wrote: > diff --git a/drivers/gpu/drm/drm_blend.c b/drivers/gpu/drm/drm_blend.c > index 6e74de833466..8d4b317eb9d7 100644 > --- a/drivers/gpu/drm/drm_blend.c > +++ b/drivers/gpu/drm/drm_blend.c > @@ -321,6 +321,11 @@ EXPORT_SYMBOL(drm_plane_create_rotation_property); > * transforms the hardware supports, this function may not > * be able to produce a supported transform, so the caller should > * check the result afterwards. > + * > + * If the rotation is not fully supported, this function will add a rotation of 180 > + * (ROTATE_90 would become ROTATE_270) and add a reflection on X and Y. > + * The resulting transformation is the same (REFLECT_X | REFLECT_Y | ROTATE_180 > + * is a no-op), but some unsupported flags are removed. > */ > unsigned int drm_rotation_simplify(unsigned int rotation, > unsigned int supported_rotations) > The wording LGTM, thanks! Reviewed-by: Bagas Sanjaya <bagasdotme@xxxxxxxxx> -- An old man doll... just what I always wanted! - Clara
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