diff options
| author | Alex Hung <alex.hung@amd.com> | 2025-11-14 17:02:05 -0700 |
|---|---|---|
| committer | Simon Ser <contact@emersion.fr> | 2025-11-26 23:03:35 +0100 |
| commit | 3410108037d5b01fb35d2e4e92c17c3abdf89186 (patch) | |
| tree | b3251560edb5a0f0ad91550ebb99175eb4924d82 /include | |
| parent | 16e0f785b87fec137937787c77363b136b9a6cf9 (diff) | |
drm/colorop: Add multiplier type
This introduces a new drm_colorop_type: DRM_COLOROP_MULTIPLIER.
It's a simple multiplier to all pixel values. The value is
specified via a S31.32 fixed point provided via the
"MULTIPLIER" property.
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Melissa Wen <mwen@igalia.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-41-alex.hung@amd.com
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drm_colorop.h | 16 | ||||
| -rw-r--r-- | include/uapi/drm/drm_mode.h | 11 |
2 files changed, 27 insertions, 0 deletions
diff --git a/include/drm/drm_colorop.h b/include/drm/drm_colorop.h index 529af9f8266d..a4f6a22fa1f9 100644 --- a/include/drm/drm_colorop.h +++ b/include/drm/drm_colorop.h @@ -145,6 +145,13 @@ struct drm_colorop_state { enum drm_colorop_curve_1d_type curve_1d_type; /** + * @multiplier: + * + * Multiplier to 'gain' the plane. Format is S31.32 sign-magnitude. + */ + uint64_t multiplier; + + /** * @data: * * Data blob for any TYPE that requires such a blob. The @@ -272,6 +279,13 @@ struct drm_colorop { struct drm_property *curve_1d_type_property; /** + * @multiplier_property: + * + * Multiplier property for plane gain + */ + struct drm_property *multiplier_property; + + /** * @size_property: * * Size property for custom LUT from userspace. @@ -329,6 +343,8 @@ int drm_plane_colorop_curve_1d_lut_init(struct drm_device *dev, struct drm_color struct drm_plane *plane, uint32_t lut_size); int drm_plane_colorop_ctm_3x4_init(struct drm_device *dev, struct drm_colorop *colorop, struct drm_plane *plane); +int drm_plane_colorop_mult_init(struct drm_device *dev, struct drm_colorop *colorop, + struct drm_plane *plane); struct drm_colorop_state * drm_atomic_helper_colorop_duplicate_state(struct drm_colorop *colorop); diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index bec524e2fa32..cac25c0ca37b 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -931,6 +931,17 @@ enum drm_colorop_type { * | B | | 8 9 10 12 | | B | */ DRM_COLOROP_CTM_3X4, + + /** + * @DRM_COLOROP_MULTIPLIER: + * + * enum string "Multiplier" + * + * A simple multiplier, applied to all color values. The + * multiplier is specified as a S31.32 via the MULTIPLIER + * property. + */ + DRM_COLOROP_MULTIPLIER, }; /** |