diff options
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_uapi.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 35 | ||||
| -rw-r--r-- | include/drm/drm_crtc.h | 18 |
3 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c index 85dbdaa4a2e2..b2cb5ae5a139 100644 --- a/drivers/gpu/drm/drm_atomic_uapi.c +++ b/drivers/gpu/drm/drm_atomic_uapi.c @@ -419,6 +419,8 @@ static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, set_out_fence_for_crtc(state->state, crtc, fence_ptr); } else if (property == crtc->scaling_filter_property) { state->scaling_filter = val; + } else if (property == crtc->sharpness_strength_property) { + state->sharpness_strength = val; } else if (crtc->funcs->atomic_set_property) { return crtc->funcs->atomic_set_property(crtc, state, property, val); } else { @@ -456,6 +458,8 @@ drm_atomic_crtc_get_property(struct drm_crtc *crtc, *val = 0; else if (property == crtc->scaling_filter_property) *val = state->scaling_filter; + else if (property == crtc->sharpness_strength_property) + *val = state->sharpness_strength; else if (crtc->funcs->atomic_get_property) return crtc->funcs->atomic_get_property(crtc, state, property, val); else { diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 46655339003d..a7797d260f1e 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -229,6 +229,25 @@ struct dma_fence *drm_crtc_create_fence(struct drm_crtc *crtc) * Driver's default scaling filter * Nearest Neighbor: * Nearest Neighbor scaling filter + * SHARPNESS_STRENGTH: + * Atomic property for setting the sharpness strength/intensity by userspace. + * + * The value of this property is set as an integer value ranging + * from 0 - 255 where: + * + * 0: Sharpness feature is disabled(default value). + * + * 1: Minimum sharpness. + * + * 255: Maximum sharpness. + * + * User can gradually increase or decrease the sharpness level and can + * set the optimum value depending on content. + * This value will be passed to kernel through the UAPI. + * The setting of this property does not require modeset. + * The sharpness effect takes place post blending on the final composed output. + * If the feature is disabled, the content remains same without any sharpening effect + * and when this feature is applied, it enhances the clarity of the content. */ __printf(6, 0) @@ -940,6 +959,22 @@ int drm_crtc_create_scaling_filter_property(struct drm_crtc *crtc, } EXPORT_SYMBOL(drm_crtc_create_scaling_filter_property); +int drm_crtc_create_sharpness_strength_property(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct drm_property *prop = + drm_property_create_range(dev, 0, "SHARPNESS_STRENGTH", 0, 255); + + if (!prop) + return -ENOMEM; + + crtc->sharpness_strength_property = prop; + drm_object_attach_property(&crtc->base, prop, 0); + + return 0; +} +EXPORT_SYMBOL(drm_crtc_create_sharpness_strength_property); + /** * drm_crtc_in_clone_mode - check if the given CRTC state is in clone mode * diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index caa56e039da2..bcdbde681986 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -318,6 +318,17 @@ struct drm_crtc_state { enum drm_scaling_filter scaling_filter; /** + * @sharpness_strength: + * + * Used by the user to set the sharpness intensity. + * The value ranges from 0-255. + * Default value is 0 which disable the sharpness feature. + * Any value greater than 0 enables sharpening with the + * specified strength. + */ + u8 sharpness_strength; + + /** * @event: * * Optional pointer to a DRM event to signal upon completion of the @@ -1089,6 +1100,12 @@ struct drm_crtc { struct drm_property *scaling_filter_property; /** + * @sharpness_strength_property: property to apply + * the intensity of the sharpness requested. + */ + struct drm_property *sharpness_strength_property; + + /** * @state: * * Current atomic state for this CRTC. @@ -1324,4 +1341,5 @@ static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev, int drm_crtc_create_scaling_filter_property(struct drm_crtc *crtc, unsigned int supported_filters); bool drm_crtc_in_clone_mode(struct drm_crtc_state *crtc_state); +int drm_crtc_create_sharpness_strength_property(struct drm_crtc *crtc); #endif /* __DRM_CRTC_H__ */ |