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drm: add CRTC properties

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The i915 driver needs this for the rotation and overscan compensation
properties. Other drivers might need this too.

Reviewed-by: Rob Clark <rob.clark@linaro.org>
Tested-by: Rob Clark <rob.clark@linaro.org>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Paulo Zanoni 2012-05-15 18:09:05 -03:00 committed by Dave Airlie
parent 7f88a9bedf
commit bffd9de029
2 changed files with 28 additions and 1 deletions
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20
drivers/gpu/drm/drm_crtc.c
View File

@ -384,6 +384,8 @@ int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
if (ret) if (ret)
goto out; goto out;
crtc->base.properties = &crtc->properties;
list_add_tail(&crtc->head, &dev->mode_config.crtc_list); list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
dev->mode_config.num_crtc++; dev->mode_config.num_crtc++;
@ -3141,6 +3143,21 @@ static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj,
return ret; return ret;
} }
static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj,
struct drm_property *property,
uint64_t value)
{
int ret = -EINVAL;
struct drm_crtc *crtc = obj_to_crtc(obj);
if (crtc->funcs->set_property)
ret = crtc->funcs->set_property(crtc, property, value);
if (!ret)
drm_object_property_set_value(obj, property, value);
return ret;
}
int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv) struct drm_file *file_priv)
{ {
@ -3239,6 +3256,9 @@ int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
ret = drm_mode_connector_set_obj_prop(arg_obj, property, ret = drm_mode_connector_set_obj_prop(arg_obj, property,
arg->value); arg->value);
break; break;
case DRM_MODE_OBJECT_CRTC:
ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value);
break;
} }
out: out:

9
include/drm/drm_crtc.h
View File

@ -306,7 +306,8 @@ struct drm_plane;
* @mode_fixup: fixup proposed mode * @mode_fixup: fixup proposed mode
* @mode_set: set the desired mode on the CRTC * @mode_set: set the desired mode on the CRTC
* @gamma_set: specify color ramp for CRTC * @gamma_set: specify color ramp for CRTC
* @destroy: deinit and free object. * @destroy: deinit and free object
* @set_property: called when a property is changed
* *
* The drm_crtc_funcs structure is the central CRTC management structure * The drm_crtc_funcs structure is the central CRTC management structure
* in the DRM. Each CRTC controls one or more connectors (note that the name * in the DRM. Each CRTC controls one or more connectors (note that the name
@ -350,6 +351,9 @@ struct drm_crtc_funcs {
int (*page_flip)(struct drm_crtc *crtc, int (*page_flip)(struct drm_crtc *crtc,
struct drm_framebuffer *fb, struct drm_framebuffer *fb,
struct drm_pending_vblank_event *event); struct drm_pending_vblank_event *event);
int (*set_property)(struct drm_crtc *crtc,
struct drm_property *property, uint64_t val);
}; };
/** /**
@ -369,6 +373,7 @@ struct drm_crtc_funcs {
* @framedur_ns: precise line timing * @framedur_ns: precise line timing
* @pixeldur_ns: precise pixel timing * @pixeldur_ns: precise pixel timing
* @helper_private: mid-layer private data * @helper_private: mid-layer private data
* @properties: property tracking for this CRTC
* *
* Each CRTC may have one or more connectors associated with it. This structure * Each CRTC may have one or more connectors associated with it. This structure
* allows the CRTC to be controlled. * allows the CRTC to be controlled.
@ -404,6 +409,8 @@ struct drm_crtc {
/* if you are using the helper */ /* if you are using the helper */
void *helper_private; void *helper_private;
struct drm_object_properties properties;
}; };