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drm: add signed-range property type

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Like range, but values are signed.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
This commit is contained in:
Rob Clark
2012-09-12 22:22:31 -05:00
committed by Dave Airlie
parent 98f75de40e
commit ebc44cf386
3 changed files with 46 additions and 12 deletions
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include/drm/drm_crtc.h
+12
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@@ -65,6 +65,15 @@ struct drm_object_properties {
uint64_t values[DRM_OBJECT_MAX_PROPERTY];
};
static inline int64_t U642I64(uint64_t val)
{
return (int64_t)*((int64_t *)&val);
}
static inline uint64_t I642U64(int64_t val)
{
return (uint64_t)*((uint64_t *)&val);
}
enum drm_connector_force {
DRM_FORCE_UNSPECIFIED,
DRM_FORCE_OFF,
@@ -982,6 +991,9 @@ struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
const char *name,
uint64_t min, uint64_t max);
struct drm_property *drm_property_create_signed_range(struct drm_device *dev,
int flags, const char *name,
int64_t min, int64_t max);
struct drm_property *drm_property_create_object(struct drm_device *dev,
int flags, const char *name, uint32_t type);
extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);