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drm: Add chroma siting properties

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Signed-off-by: Dom Cobley <popcornmix@gmail.com>
This commit is contained in:
Dom Cobley
2022-01-26 15:58:13 +00:00
parent e38e88b773
commit b8dbf9bec1
5 changed files with 97 additions and 0 deletions
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14
drivers/gpu/drm/drm_atomic_state_helper.c
View File

@@ -268,6 +268,20 @@ void __drm_atomic_helper_plane_state_reset(struct drm_plane_state *plane_state,
plane_state->color_range = val;
}
if (plane->chroma_siting_h_property) {
if (!drm_object_property_get_default_value(&plane->base,
plane->chroma_siting_h_property,
&val))
plane_state->chroma_siting_h = val;
}
if (plane->chroma_siting_v_property) {
if (!drm_object_property_get_default_value(&plane->base,
plane->chroma_siting_v_property,
&val))
plane_state->chroma_siting_v = val;
}
if (plane->zpos_property) {
if (!drm_object_property_get_default_value(&plane->base,
plane->zpos_property,

8
drivers/gpu/drm/drm_atomic_uapi.c
View File

@@ -540,6 +540,10 @@ static int drm_atomic_plane_set_property(struct drm_plane *plane,
state->color_encoding = val;
} else if (property == plane->color_range_property) {
state->color_range = val;
} else if (property == plane->chroma_siting_h_property) {
state->chroma_siting_h = val;
} else if (property == plane->chroma_siting_v_property) {
state->chroma_siting_v = val;
} else if (property == config->prop_fb_damage_clips) {
ret = drm_property_replace_blob_from_id(dev,
&state->fb_damage_clips,
@@ -622,6 +626,10 @@ drm_atomic_plane_get_property(struct drm_plane *plane,
*val = state->color_encoding;
} else if (property == plane->color_range_property) {
*val = state->color_range;
} else if (property == plane->chroma_siting_h_property) {
*val = state->chroma_siting_h;
} else if (property == plane->chroma_siting_v_property) {
*val = state->chroma_siting_v;
} else if (property == config->prop_fb_damage_clips) {
*val = (state->fb_damage_clips) ?
state->fb_damage_clips->base.id : 0;

36
drivers/gpu/drm/drm_color_mgmt.c
View File

@@ -594,6 +594,42 @@ int drm_plane_create_color_properties(struct drm_plane *plane,
}
EXPORT_SYMBOL(drm_plane_create_color_properties);
/**
* drm_plane_create_chroma_siting_properties - chroma siting related plane properties
* @plane: plane object
*
* Create and attach plane specific CHROMA_SITING
* properties to @plane.
*/
int drm_plane_create_chroma_siting_properties(struct drm_plane *plane,
int32_t default_chroma_siting_h,
int32_t default_chroma_siting_v)
{
struct drm_device *dev = plane->dev;
struct drm_property *prop;
prop = drm_property_create_range(dev, 0, "CHROMA_SITING_H",
0, 1<<16);
if (!prop)
return -ENOMEM;
plane->chroma_siting_h_property = prop;
drm_object_attach_property(&plane->base, prop, default_chroma_siting_h);
prop = drm_property_create_range(dev, 0, "CHROMA_SITING_V",
0, 1<<16);
if (!prop)
return -ENOMEM;
plane->chroma_siting_v_property = prop;
drm_object_attach_property(&plane->base, prop, default_chroma_siting_v);
if (plane->state) {
plane->state->chroma_siting_h = default_chroma_siting_h;
plane->state->chroma_siting_v = default_chroma_siting_v;
}
return 0;
}
EXPORT_SYMBOL(drm_plane_create_chroma_siting_properties);
/**
* drm_color_lut_check - check validity of lookup table
* @lut: property blob containing LUT to check

3
include/drm/drm_color_mgmt.h
View File

@@ -91,6 +91,9 @@ int drm_plane_create_color_properties(struct drm_plane *plane,
enum drm_color_encoding default_encoding,
enum drm_color_range default_range);
int drm_plane_create_chroma_siting_properties(struct drm_plane *plane,
int32_t default_chroma_siting_h, int32_t default_chroma_siting_v);
/**
* enum drm_color_lut_tests - hw-specific LUT tests to perform
*

36
include/drm/drm_plane.h
View File

@@ -183,6 +183,24 @@ struct drm_plane_state {
*/
enum drm_color_range color_range;
/**
* @chroma_siting_h:
*
* Location of chroma samples horizontally compared to luma
* 0 means chroma is sited with left luma
* 0x8000 is interstitial. 0x10000 is sited with right luma
*/
int32_t chroma_siting_h;
/**
* @chroma_siting_v:
*
* Location of chroma samples vertically compared to luma
* 0 means chroma is sited with top luma
* 0x8000 is interstitial. 0x10000 is sited with bottom luma
*/
int32_t chroma_siting_v;
/**
* @fb_damage_clips:
*
@@ -803,6 +821,24 @@ struct drm_plane {
* @kmsg_panic: Used to register a panic notifier for this plane
*/
struct kmsg_dumper kmsg_panic;
/**
* @chroma_siting_h_property:
*
* Optional "CHROMA_SITING_H" property for specifying
* chroma siting for YUV formats.
* See drm_plane_create_chroma_siting_properties().
*/
struct drm_property *chroma_siting_h_property;
/**
* @chroma_siting_v_property:
*
* Optional "CHROMA_SITING_V" property for specifying
* chroma siting for YUV formats.
* See drm_plane_create_chroma_siting_properties().
*/
struct drm_property *chroma_siting_v_property;
};
#define obj_to_plane(x) container_of(x, struct drm_plane, base)