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drm/colorop: Add NEXT property

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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: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@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/20251115000237.3561250-9-alex.hung@amd.com
This commit is contained in:
Harry Wentland
2025-11-14 17:01:33 -07:00
committed by Simon Ser
parent 8c5ea1745f
commit 78a5add824
2 changed files with 44 additions and 0 deletions
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27
drivers/gpu/drm/drm_colorop.c
View File

@@ -57,6 +57,7 @@ static int drm_plane_colorop_init(struct drm_device *dev, struct drm_colorop *co
colorop->dev = dev; colorop->dev = dev;
colorop->type = type; colorop->type = type;
colorop->plane = plane; colorop->plane = plane;
colorop->next = NULL;
list_add_tail(&colorop->head, &config->colorop_list); list_add_tail(&colorop->head, &config->colorop_list);
colorop->index = config->num_colorop++; 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, colorop->bypass_property,
1); 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; 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]; 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);

17
include/drm/drm_colorop.h
View File

@@ -171,6 +171,14 @@ struct drm_colorop {
*/ */
enum drm_colorop_type type; enum drm_colorop_type type;
/**
* @next:
*
* Read-only
* Pointer to next drm_colorop in pipeline
*/
struct drm_colorop *next;
/** /**
* @type_property: * @type_property:
* *
@@ -198,6 +206,13 @@ struct drm_colorop {
*/ */
struct drm_property *curve_1d_type_property; 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) #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); 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__ */ #endif /* __DRM_COLOROP_H__ */