Commit 78a5add8 authored by Harry Wentland's avatar Harry Wentland Committed by Simon Ser
Browse files

drm/colorop: Add NEXT property 



We'll construct color pipelines out of drm_colorop by
chaining them via the NEXT pointer. NEXT will point to
the next drm_colorop in the pipeline, or by 0 if we're
at the end of the pipeline.

Reviewed-by: default avatarSimon Ser <contact@emersion.fr>
Signed-off-by: default avatarAlex Hung <alex.hung@amd.com>
Signed-off-by: default avatarHarry Wentland <harry.wentland@amd.com>
Reviewed-by: default avatarDaniel Stone <daniels@collabora.com>
Reviewed-by: default avatarMelissa Wen <mwen@igalia.com>
Reviewed-by: default avatarSebastian Wick <sebastian.wick@redhat.com>
Signed-off-by: default avatarSimon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-9-alex.hung@amd.com
parent 8c5ea174

drivers/gpu/drm/drm_colorop.c

+27 −0
Original line number Diff line number Diff line
@@ -57,6 +57,7 @@ static int drm_plane_colorop_init(struct drm_device *dev, struct drm_colorop *co 
	colorop->dev = dev;

	colorop->type = type;

	colorop->plane = plane;

	colorop->next = NULL;



	list_add_tail(&colorop->head, &config->colorop_list);

	colorop->index = config->num_colorop++;
@@ -89,6 +90,16 @@ static int drm_plane_colorop_init(struct drm_device *dev, struct drm_colorop *co 
				   colorop->bypass_property,

				   1);



	/* next */

	prop = drm_property_create_object(dev, DRM_MODE_PROP_IMMUTABLE | DRM_MODE_PROP_ATOMIC,

					  "NEXT", DRM_MODE_OBJECT_COLOROP);

	if (!prop)

		return -ENOMEM;

	colorop->next_property = prop;

	drm_object_attach_property(&colorop->base,

				   colorop->next_property,

				   0);



	return ret;

}
@@ -260,3 +271,19 @@ const char *drm_get_colorop_curve_1d_type_name(enum drm_colorop_curve_1d_type ty 


	return colorop_curve_1d_type_names[type];

}



/**

 * drm_colorop_set_next_property - sets the next pointer

 * @colorop: drm colorop

 * @next: next colorop

 *

 * Should be used when constructing the color pipeline

 */

void drm_colorop_set_next_property(struct drm_colorop *colorop, struct drm_colorop *next)

{

	drm_object_property_set_value(&colorop->base,

				      colorop->next_property,

				      next ? next->base.id : 0);

	colorop->next = next;

}

EXPORT_SYMBOL(drm_colorop_set_next_property);

include/drm/drm_colorop.h

+17 −0
Original line number Diff line number Diff line
@@ -171,6 +171,14 @@ struct drm_colorop { 
	 */

	enum drm_colorop_type type;



	/**

	 * @next:

	 *

	 * Read-only

	 * Pointer to next drm_colorop in pipeline

	 */

	struct drm_colorop *next;



	/**

	 * @type_property:

	 *
@@ -198,6 +206,13 @@ struct drm_colorop { 
	 */

	struct drm_property *curve_1d_type_property;



	/**

	 * @next_property:

	 *

	 * Read-only property to next colorop in the pipeline

	 */

	struct drm_property *next_property;



};



#define obj_to_colorop(x) container_of(x, struct drm_colorop, base)
@@ -273,4 +288,6 @@ const char *drm_get_colorop_type_name(enum drm_colorop_type type); 
 */

const char *drm_get_colorop_curve_1d_type_name(enum drm_colorop_curve_1d_type type);



void drm_colorop_set_next_property(struct drm_colorop *colorop, struct drm_colorop *next);



#endif /* __DRM_COLOROP_H__ */