diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/drm_colorop.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_colorop.c b/drivers/gpu/drm/drm_colorop.c index 6dd685b7348b..6f9c27d216c1 100644 --- a/drivers/gpu/drm/drm_colorop.c +++ b/drivers/gpu/drm/drm_colorop.c @@ -31,6 +31,37 @@ #include "drm_crtc_internal.h" +/** + * DOC: overview + * + * When userspace signals the &DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE it + * should use the COLOR_PIPELINE plane property and associated colorops + * for any color operation on the &drm_plane. Setting of all old color + * properties, such as COLOR_ENCODING and COLOR_RANGE, will be rejected + * and the values of the properties will be ignored. + * + * Colorops are only advertised and valid for atomic drivers and atomic + * userspace that signals the &DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE + * client cap. + * + * A colorop represents a single color operation. Colorops are chained + * via the NEXT property and make up color pipelines. Color pipelines + * are advertised and selected via the COLOR_PIPELINE &drm_plane + * property. + * + * A colorop will be of a certain type, advertised by the read-only TYPE + * property. Each type of colorop will advertise a different set of + * properties and is programmed in a different manner. Types can be + * enumerated 1D curves, 1D LUTs, 3D LUTs, matrices, etc. See the + * &drm_colorop_type documentation for information on each type. + * + * If a colorop advertises the BYPASS property it can be bypassed. + * + * Information about colorop and color pipeline design decisions can be + * found at rfc/color_pipeline.rst, but note that this document will + * grow stale over time. + */ + static const struct drm_prop_enum_list drm_colorop_type_enum_list[] = { { DRM_COLOROP_1D_CURVE, "1D Curve" }, }; |