diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_atomic_plane.c | 58 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_drv.h | 8 |
3 files changed, 68 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c index d9d430604c07..4a3914f1cdee 100644 --- a/drivers/gpu/drm/i915/intel_atomic_plane.c +++ b/drivers/gpu/drm/i915/intel_atomic_plane.c @@ -177,3 +177,61 @@ const struct drm_plane_helper_funcs intel_plane_helper_funcs = { .atomic_update = intel_plane_atomic_update, }; +/** + * intel_plane_atomic_get_property - fetch plane property value + * @plane: plane to fetch property for + * @state: state containing the property value + * @property: property to look up + * @val: pointer to write property value into + * + * The DRM core does not store shadow copies of properties for + * atomic-capable drivers. This entrypoint is used to fetch + * the current value of a driver-specific plane property. + */ +int +intel_plane_atomic_get_property(struct drm_plane *plane, + const struct drm_plane_state *state, + struct drm_property *property, + uint64_t *val) +{ + struct drm_mode_config *config = &plane->dev->mode_config; + + if (property == config->rotation_property) { + *val = state->rotation; + } else { + DRM_DEBUG_KMS("Unknown plane property '%s'\n", property->name); + return -EINVAL; + } + + return 0; +} + +/** + * intel_plane_atomic_set_property - set plane property value + * @plane: plane to set property for + * @state: state to update property value in + * @property: property to set + * @val: value to set property to + * + * Writes the specified property value for a plane into the provided atomic + * state object. + * + * Returns 0 on success, -EINVAL on unrecognized properties + */ +int +intel_plane_atomic_set_property(struct drm_plane *plane, + struct drm_plane_state *state, + struct drm_property *property, + uint64_t val) +{ + struct drm_mode_config *config = &plane->dev->mode_config; + + if (property == config->rotation_property) { + state->rotation = val; + } else { + DRM_DEBUG_KMS("Unknown plane property '%s'\n", property->name); + return -EINVAL; + } + + return 0; +} diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ce71fc588dd6..0cdcf9bf54c2 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -12054,6 +12054,8 @@ const struct drm_plane_funcs intel_plane_funcs = { .disable_plane = drm_plane_helper_disable, .destroy = intel_plane_destroy, .set_property = intel_plane_set_property, + .atomic_get_property = intel_plane_atomic_get_property, + .atomic_set_property = intel_plane_atomic_set_property, .atomic_duplicate_state = intel_plane_duplicate_state, .atomic_destroy_state = intel_plane_destroy_state, diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 4edf771649d7..3d65e8ba4a6c 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -945,6 +945,14 @@ int intel_prepare_plane_fb(struct drm_plane *plane, struct drm_framebuffer *fb); void intel_cleanup_plane_fb(struct drm_plane *plane, struct drm_framebuffer *fb); +int intel_plane_atomic_get_property(struct drm_plane *plane, + const struct drm_plane_state *state, + struct drm_property *property, + uint64_t *val); +int intel_plane_atomic_set_property(struct drm_plane *plane, + struct drm_plane_state *state, + struct drm_property *property, + uint64_t val); /* shared dpll functions */ struct intel_shared_dpll *intel_crtc_to_shared_dpll(struct intel_crtc *crtc); |