#define DRM_OBJECT_MAX_PROPERTY 24
struct drm_object_properties {
- int count;
- uint32_t ids[DRM_OBJECT_MAX_PROPERTY];
+ int count, atomic_count;
+ /* NOTE: if we ever start dynamically destroying properties (ie.
+ * not at drm_mode_config_cleanup() time), then we'd have to do
+ * a better job of detaching property from mode objects to avoid
+ * dangling property pointers:
+ */
+ struct drm_property *properties[DRM_OBJECT_MAX_PROPERTY];
+ /* do not read/write values directly, but use drm_object_property_get_value()
+ * and drm_object_property_set_value():
+ */
uint64_t values[DRM_OBJECT_MAX_PROPERTY];
};
/**
* struct drm_crtc_state - mutable CRTC state
+ * @crtc: backpointer to the CRTC
* @enable: whether the CRTC should be enabled, gates all other state
+ * @active: whether the CRTC is actively displaying (used for DPMS)
* @mode_changed: for use by helpers and drivers when computing state updates
* @plane_mask: bitmask of (1 << drm_plane_index(plane)) of attached planes
* @last_vblank_count: for helpers and drivers to capture the vblank of the
* @event: optional pointer to a DRM event to signal upon completion of the
* state update
* @state: backpointer to global drm_atomic_state
+ *
+ * Note that the distinction between @enable and @active is rather subtile:
+ * Flipping @active while @enable is set without changing anything else may
+ * never return in a failure from the ->atomic_check callback. Userspace assumes
+ * that a DPMS On will always succeed. In other words: @enable controls resource
+ * assignment, @active controls the actual hardware state.
*/
struct drm_crtc_state {
+ struct drm_crtc *crtc;
+
bool enable;
+ bool active;
/* computed state bits used by helpers and drivers */
bool planes_changed : 1;
* @atomic_duplicate_state: duplicate the atomic state for this CRTC
* @atomic_destroy_state: destroy an atomic state for this CRTC
* @atomic_set_property: set a property on an atomic state for this CRTC
+ * (do not call directly, use drm_atomic_crtc_set_property())
+ * @atomic_get_property: get a property on an atomic state for this CRTC
+ * (do not call directly, use drm_atomic_crtc_get_property())
*
* 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
struct drm_crtc_state *state,
struct drm_property *property,
uint64_t val);
+ int (*atomic_get_property)(struct drm_crtc *crtc,
+ const struct drm_crtc_state *state,
+ struct drm_property *property,
+ uint64_t *val);
};
/**
/**
* struct drm_connector_state - mutable connector state
+ * @connector: backpointer to the connector
* @crtc: CRTC to connect connector to, NULL if disabled
* @best_encoder: can be used by helpers and drivers to select the encoder
* @state: backpointer to global drm_atomic_state
*/
struct drm_connector_state {
+ struct drm_connector *connector;
+
struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_connector() */
struct drm_encoder *best_encoder;
/**
* struct drm_connector_funcs - control connectors on a given device
- * @dpms: set power state (see drm_crtc_funcs above)
+ * @dpms: set power state
* @save: save connector state
* @restore: restore connector state
* @reset: reset connector after state has been invalidated (e.g. resume)
* @atomic_duplicate_state: duplicate the atomic state for this connector
* @atomic_destroy_state: destroy an atomic state for this connector
* @atomic_set_property: set a property on an atomic state for this connector
+ * (do not call directly, use drm_atomic_connector_set_property())
+ * @atomic_get_property: get a property on an atomic state for this connector
+ * (do not call directly, use drm_atomic_connector_get_property())
*
* Each CRTC may have one or more connectors attached to it. The functions
* below allow the core DRM code to control connectors, enumerate available modes,
struct drm_connector_state *state,
struct drm_property *property,
uint64_t val);
+ int (*atomic_get_property)(struct drm_connector *connector,
+ const struct drm_connector_state *state,
+ struct drm_property *property,
+ uint64_t *val);
};
/**
/**
* struct drm_plane_state - mutable plane state
+ * @plane: backpointer to the plane
* @crtc: currently bound CRTC, NULL if disabled
* @fb: currently bound framebuffer
* @fence: optional fence to wait for before scanning out @fb
* @state: backpointer to global drm_atomic_state
*/
struct drm_plane_state {
+ struct drm_plane *plane;
+
struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_plane() */
struct drm_framebuffer *fb; /* do not write directly, use drm_atomic_set_fb_for_plane() */
struct fence *fence;
* @atomic_duplicate_state: duplicate the atomic state for this plane
* @atomic_destroy_state: destroy an atomic state for this plane
* @atomic_set_property: set a property on an atomic state for this plane
+ * (do not call directly, use drm_atomic_plane_set_property())
+ * @atomic_get_property: get a property on an atomic state for this plane
+ * (do not call directly, use drm_atomic_plane_get_property())
*/
struct drm_plane_funcs {
int (*update_plane)(struct drm_plane *plane,
struct drm_plane_state *state,
struct drm_property *property,
uint64_t val);
+ int (*atomic_get_property)(struct drm_plane *plane,
+ const struct drm_plane_state *state,
+ struct drm_property *property,
+ uint64_t *val);
};
enum drm_plane_type {
/**
* struct struct drm_atomic_state - the global state object for atomic updates
* @dev: parent DRM device
- * @flags: state flags like async update
+ * @allow_modeset: allow full modeset
* @planes: pointer to array of plane pointers
* @plane_states: pointer to array of plane states pointers
* @crtcs: pointer to array of CRTC pointers
*/
struct drm_atomic_state {
struct drm_device *dev;
- uint32_t flags;
+ bool allow_modeset : 1;
struct drm_plane **planes;
struct drm_plane_state **plane_states;
struct drm_crtc **crtcs;
struct drm_property *tile_property;
struct drm_property *plane_type_property;
struct drm_property *rotation_property;
+ struct drm_property *prop_src_x;
+ struct drm_property *prop_src_y;
+ struct drm_property *prop_src_w;
+ struct drm_property *prop_src_h;
+ struct drm_property *prop_crtc_x;
+ struct drm_property *prop_crtc_y;
+ struct drm_property *prop_crtc_w;
+ struct drm_property *prop_crtc_h;
+ struct drm_property *prop_fb_id;
+ struct drm_property *prop_crtc_id;
/* DVI-I properties */
struct drm_property *dvi_i_subconnector_property;
extern void drm_plane_cleanup(struct drm_plane *plane);
extern unsigned int drm_plane_index(struct drm_plane *plane);
extern void drm_plane_force_disable(struct drm_plane *plane);
+extern void drm_crtc_get_hv_timing(const struct drm_display_mode *mode,
+ int *hdisplay, int *vdisplay);
extern int drm_crtc_check_viewport(const struct drm_crtc *crtc,
int x, int y,
const struct drm_display_mode *mode,
extern int drm_mode_create_aspect_ratio_property(struct drm_device *dev);
extern int drm_mode_create_dirty_info_property(struct drm_device *dev);
extern int drm_mode_create_suggested_offset_properties(struct drm_device *dev);
+extern bool drm_property_change_valid_get(struct drm_property *property,
+ uint64_t value, struct drm_mode_object **ref);
+extern void drm_property_change_valid_put(struct drm_property *property,
+ struct drm_mode_object *ref);
extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
struct drm_encoder *encoder);
extern int drm_mode_plane_set_obj_prop(struct drm_plane *plane,
struct drm_property *property,
uint64_t value);
+extern int drm_mode_atomic_ioctl(struct drm_device *dev,
+ void *data, struct drm_file *file_priv);
extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
int *bpp);
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