WebSVN – Kolibri OS – Diff – /drivers/include/drm/drm_crtc.h

 #include
 #include
 #include
 #include
 #include
+#include
 #include
 #include
 #include
 #define DRM_MODE_OBJECT_MODE 0xdededede
 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb
 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
-#define DRM_MODE_OBJECT_BRIDGE 0xbdbdbdbd
 #define DRM_MODE_OBJECT_ANY 0
 struct drm_mode_object {
 	uint32_t id;
 	uint32_t type;
 	struct drm_object_properties *properties;
 };
 #define DRM_OBJECT_MAX_PROPERTY 24
+struct drm_object_properties {
+	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
-struct drm_object_properties {
+	 * dangling property pointers:
+	 */
+	struct drm_property *properties[DRM_OBJECT_MAX_PROPERTY];
+	/* do not read/write values directly, but use drm_object_property_get_value()
-	int count;
+	 * and drm_object_property_set_value():
-	uint32_t ids[DRM_OBJECT_MAX_PROPERTY];
+	 */
 	uint64_t values[DRM_OBJECT_MAX_PROPERTY];
 };
+{
 	return (uint64_t)*((uint64_t *)&val);
+}
+/* rotation property bits */
-/* rotation property bits */
+#define DRM_ROTATE_MASK 0x0f
 #define DRM_ROTATE_0	0
 #define DRM_ROTATE_90	1
 #define DRM_ROTATE_180	2
+#define DRM_ROTATE_270	3
-#define DRM_ROTATE_270	3
+#define DRM_REFLECT_MASK (~DRM_ROTATE_MASK)
 #define DRM_REFLECT_X	4
 #define DRM_REFLECT_Y	5
 	unsigned int bpc;
 	enum subpixel_order subpixel_order;
+	u32 color_formats;
+	const u32 *bus_formats;
-	u32 color_formats;
+	unsigned int num_bus_formats;
 	/* Mask of supported hdmi deep color modes */
 	u8 edid_hdmi_dc_modes;
 	struct list_head head;
 	struct drm_mode_object base;
 	const struct drm_framebuffer_funcs *funcs;
 	unsigned int pitches[4];
 	unsigned int offsets[4];
+	uint64_t modifier[4];
 	unsigned int width;
 	unsigned int height;
 	/* depth can be 15 or 16 */
 	unsigned int depth;
 	int bits_per_pixel;
 	int flags;
 	uint32_t pixel_format; /* fourcc format */
 	struct list_head filp_head;
-	/* if you are using the helper */
-	void *helper_private;
 };
 struct drm_property_blob {
+	struct drm_mode_object base;
+	struct drm_device *dev;
+	struct kref refcount;
-	struct drm_mode_object base;
+	struct list_head head_global;
-	struct list_head head;
+	struct list_head head_file;
 	size_t length;
 	unsigned char data[];
 };
 struct drm_bridge;
 struct drm_atomic_state;
 /**
+ * struct drm_crtc_state - mutable CRTC state
- * 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)
- * @enable: whether the CRTC should be enabled, gates all other state
+ * @planes_changed: planes on this crtc are updated
+ * @mode_changed: crtc_state->mode or crtc_state->enable has been changed
+ * @active_changed: crtc_state->active has been toggled.
- * @mode_changed: for use by helpers and drivers when computing state updates
+ * @connectors_changed: connectors to this crtc have been updated
  * @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
- * 	update to ensure framebuffer cleanup isn't done too early
- * @planes_changed: for use by helpers and drivers when computing state updates
+ * 	update to ensure framebuffer cleanup isn't done too early
  * @adjusted_mode: for use by helpers and drivers to compute adjusted mode timings
  * @mode: current mode timings
  * @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
- * @state: backpointer to global drm_atomic_state
+ * assignment, @active controls the actual hardware state.
  */
+struct drm_crtc_state {
+	struct drm_crtc *crtc;
 struct drm_crtc_state {
+	bool enable;
-	bool enable;
+	bool active;
 	/* computed state bits used by helpers and drivers */
+	bool planes_changed : 1;
+	bool mode_changed : 1;
-	bool planes_changed : 1;
+	bool active_changed : 1;
-	bool mode_changed : 1;
+	bool connectors_changed : 1;
 	/* attached planes bitmask:
 	/* adjusted_mode: for use by helpers and drivers */
 	struct drm_display_mode adjusted_mode;
+	struct drm_display_mode mode;
+	/* blob property to expose current mode to atomic userspace */
-	struct drm_display_mode mode;
+	struct drm_property_blob *mode_blob;
 	struct drm_pending_vblank_event *event;
  * @set_config: apply a new CRTC configuration
  * @page_flip: initiate a page flip
  * @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
  * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
  * connectors, not just CRTs).
 				     struct drm_crtc_state *state);
 	int (*atomic_set_property)(struct drm_crtc *crtc,
 				   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_crtc - central CRTC control structure
  * @cursor_x: current x position of the cursor, used for universal cursor planes
  * @cursor_y: current y position of the cursor, used for universal cursor planes
  * @enabled: is this CRTC enabled?
  * @mode: current mode timings
  * @hwmode: mode timings as programmed to hw regs
- * @invert_dimensions: for purposes of error checking crtc vs fb sizes,
- *    invert the width/height of the crtc.  This is used if the driver
- *    is performing 90 or 270 degree rotated scanout
  * @x: x position on screen
  * @y: y position on screen
  * @funcs: CRTC control functions
  * @gamma_size: size of gamma ramp
  * @gamma_store: gamma ramp values
- * @framedur_ns: precise frame timing
- * @linedur_ns: precise line timing
- * @pixeldur_ns: precise pixel timing
  * @helper_private: mid-layer private data
  * @properties: property tracking for this CRTC
  * @state: current atomic state for this CRTC
  * @acquire_ctx: per-CRTC implicit acquire context used by atomic drivers for
  * 	legacy ioctls
 	/* Programmed mode in hw, after adjustments for encoders,
 	 * crtc, panel scaling etc. Needed for timestamping etc.
 	 */
 	struct drm_display_mode hwmode;
-	bool invert_dimensions;
 	int x, y;
 	const struct drm_crtc_funcs *funcs;
 	/* CRTC gamma size for reporting to userspace */
-	uint32_t gamma_size;
-	uint16_t *gamma_store;
-	/* Constants needed for precise vblank and swap timestamping. */
+	uint32_t gamma_size;
-	int framedur_ns, linedur_ns, pixeldur_ns;
+	uint16_t *gamma_store;
 	/* if you are using the helper */
 	struct drm_modeset_acquire_ctx *acquire_ctx;
 };
 /**
+ * struct drm_connector_state - mutable connector state
- * 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_connector_state {
 	struct drm_crtc *crtc;  /* do not write directly, use drm_atomic_set_crtc_for_connector() */
 	struct drm_encoder *best_encoder;
 	struct drm_atomic_state *state;
 };
 /**
  * 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
  * @destroy: make object go away
  * @force: notify the driver that the connector is forced on
  * @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,
  * etc.
  */
 struct drm_connector_funcs {
-	void (*dpms)(struct drm_connector *connector, int mode);
+	int (*dpms)(struct drm_connector *connector, int mode);
 	void (*save)(struct drm_connector *connector);
 	void (*restore)(struct drm_connector *connector);
 	void (*reset)(struct drm_connector *connector);
 				     struct drm_connector_state *state);
 	int (*atomic_set_property)(struct drm_connector *connector,
 				   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_encoder_funcs - encoder controls
 	uint32_t possible_clones;
 	struct drm_crtc *crtc;
 	struct drm_bridge *bridge;
 	const struct drm_encoder_funcs *funcs;
-	void *helper_private;
+	const void *helper_private;
 };
 /* should we poll this connector for connects and disconnects */
  * @latency_present: AV delay info from ELD, if found
  * @video_latency: video latency info from ELD, if found
  * @audio_latency: audio latency info from ELD, if found
  * @null_edid_counter: track sinks that give us all zeros for the EDID
  * @bad_edid_counter: track sinks that give us an EDID with invalid checksum
+ * @edid_corrupt: indicates whether the last read EDID was corrupt
  * @debugfs_entry: debugfs directory for this connector
  * @state: current atomic state for this connector
  * @has_tile: is this connector connected to a tiled monitor
  * @tile_group: tile group for the connected monitor
  * @tile_is_single_monitor: whether the tile is one monitor housing
 	uint8_t polled; /* DRM_CONNECTOR_POLL_* */
 	/* requested DPMS state */
 	int dpms;
-	void *helper_private;
+	const void *helper_private;
 	/* forced on connector */
 	int video_latency[2];	/* [0]: progressive, [1]: interlaced */
 	int audio_latency[2];
 	int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */
 	unsigned bad_edid_counter;
+	/* Flag for raw EDID header corruption - used in Displayport
+	 * compliance testing - * Displayport Link CTS Core 1.2 rev1.1 4.2.2.6
+	 */
+	bool edid_corrupt;
 	struct dentry *debugfs_entry;
 	uint16_t tile_h_size, tile_v_size;
 };
 /**
+ * struct drm_plane_state - mutable plane state
- * 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
  * @crtc_x: left position of visible portion of plane on crtc
  * @src_w: width of visible portion of plane (in 16.16)
  * @src_h: height of visible portion of plane (in 16.16)
  * @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;
 	/* Source values are 16.16 fixed point */
 	uint32_t src_x, src_y;
+	uint32_t src_h, src_w;
+	/* Plane rotation */
-	uint32_t src_h, src_w;
+	unsigned int rotation;
 	struct drm_atomic_state *state;
  * @reset: reset plane after state has been invalidated (e.g. resume)
  * @set_property: called when a property is changed
  * @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_crtc *crtc, struct drm_framebuffer *fb,
 			    int crtc_x, int crtc_y,
 				     struct drm_plane_state *state);
 	int (*atomic_set_property)(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 {
 	DRM_PLANE_TYPE_OVERLAY,
  * @head: for list management
  * @base: base mode object
  * @possible_crtcs: pipes this plane can be bound to
  * @format_types: array of formats supported by this plane
  * @format_count: number of formats supported
+ * @format_default: driver hasn't supplied supported formats for the plane
  * @crtc: currently bound CRTC
  * @fb: currently bound fb
  * @old_fb: Temporary tracking of the old fb while a modeset is ongoing. Used by
  * 	drm_mode_set_config_internal() to implement correct refcounting.
  * @funcs: helper functions
 	struct drm_mode_object base;
 	uint32_t possible_crtcs;
+	uint32_t *format_types;
-	uint32_t *format_types;
+	unsigned int format_count;
-	uint32_t format_count;
+	bool format_default;
 	struct drm_object_properties properties;
 	enum drm_plane_type type;
-	void *helper_private;
+	const void *helper_private;
+	struct drm_plane_state *state;
-	struct drm_plane_state *state;
+};
 };
 /**
-/**
+ * struct drm_bridge_funcs - drm_bridge control functions
- * struct drm_bridge_funcs - drm_bridge control functions
+ * @attach: Called during drm_bridge_attach
  * @mode_fixup: Try to fixup (or reject entirely) proposed mode for this bridge
- * @disable: Called right before encoder prepare, disables the bridge
- * @post_disable: Called right after encoder prepare, for lockstepped disable
+ * @disable: Called right before encoder prepare, disables the bridge
- * @mode_set: Set this mode to the bridge
+ * @post_disable: Called right after encoder prepare, for lockstepped disable
+ * @mode_set: Set this mode to the bridge
  * @pre_enable: Called right before encoder commit, for lockstepped commit
  * @enable: Called right after encoder commit, enables the bridge
- * @destroy: make object go away
+ */
- */
+struct drm_bridge_funcs {
-struct drm_bridge_funcs {
+	int (*attach)(struct drm_bridge *bridge);
 	bool (*mode_fixup)(struct drm_bridge *bridge,
 			   const struct drm_display_mode *mode,
 			   struct drm_display_mode *adjusted_mode);
 	void (*disable)(struct drm_bridge *bridge);
 	void (*post_disable)(struct drm_bridge *bridge);
-	void (*mode_set)(struct drm_bridge *bridge,
-			 struct drm_display_mode *mode,
+	void (*mode_set)(struct drm_bridge *bridge,
-			 struct drm_display_mode *adjusted_mode);
+			 struct drm_display_mode *mode,
-	void (*pre_enable)(struct drm_bridge *bridge);
+			 struct drm_display_mode *adjusted_mode);
-	void (*enable)(struct drm_bridge *bridge);
+	void (*pre_enable)(struct drm_bridge *bridge);
+	void (*enable)(struct drm_bridge *bridge);
-	void (*destroy)(struct drm_bridge *bridge);
+};
-};
+/**
  * struct drm_bridge - central DRM bridge control structure
-/**
+ * @dev: DRM device this bridge belongs to
- * struct drm_bridge - central DRM bridge control structure
+ * @encoder: encoder to which this bridge is connected
- * @dev: DRM device this bridge belongs to
+ * @next: the next bridge in the encoder chain
- * @head: list management
+ * @of_node: device node pointer to the bridge
+ * @list: to keep track of all added bridges
- * @base: base mode object
+ * @funcs: control functions
+ * @driver_private: pointer to the bridge driver's internal context
+ */
- * @funcs: control functions
+struct drm_bridge {
- * @driver_private: pointer to the bridge driver's internal context
+	struct drm_device *dev;
- */
+	struct drm_encoder *encoder;
-struct drm_bridge {
+	struct drm_bridge *next;
-	struct drm_device *dev;
+#ifdef CONFIG_OF
-	struct list_head head;
+	struct device_node *of_node;
+#endif
-	struct drm_mode_object base;
+	struct list_head list;
+	const struct drm_bridge_funcs *funcs;
-	const struct drm_bridge_funcs *funcs;
+	void *driver_private;
-	void *driver_private;
+};
 };
 /**
-/**
+ * struct drm_atomic_state - the global state object for atomic updates
  * @connector_states: pointer to array of connector states pointers
  * @acquire_ctx: acquire context for this atomic modeset state update
  */
 struct drm_atomic_state {
 	struct drm_device *dev;
-	uint32_t flags;
+	bool allow_modeset : 1;
+	bool legacy_cursor_update : 1;
 	struct drm_plane **planes;
 	struct drm_plane_state **plane_states;
 	struct drm_crtc **crtcs;
 	struct drm_crtc_state **crtc_states;
 	int num_connector;
 /**
  * struct drm_mode_config_funcs - basic driver provided mode setting functions
  * @fb_create: create a new framebuffer object
  * @output_poll_changed: function to handle output configuration changes
- * @atomic_check: check whether a give atomic state update is possible
+ * @atomic_check: check whether a given atomic state update is possible
  * @atomic_commit: commit an atomic state update previously verified with
+ * 	atomic_check()
+ * @atomic_state_alloc: allocate a new atomic state
+ * @atomic_state_clear: clear the atomic state
- * 	atomic_check()
+ * @atomic_state_free: free the atomic state
+ *
  * Some global (i.e. not per-CRTC, connector, etc) mode setting functions that
  * involve drivers.
  */
 	int (*atomic_check)(struct drm_device *dev,
 			    struct drm_atomic_state *a);
 	int (*atomic_commit)(struct drm_device *dev,
 			     struct drm_atomic_state *a,
 			     bool async);
-};
-/**
- * struct drm_mode_group - group of mode setting resources for potential sub-grouping
+	struct drm_atomic_state *(*atomic_state_alloc)(struct drm_device *dev);
- * @num_crtcs: CRTC count
- * @num_encoders: encoder count
- * @num_connectors: connector count
- * @num_bridges: bridge count
- * @id_list: list of KMS object IDs in this group
- *
- * Currently this simply tracks the global mode setting state.  But in the
- * future it could allow groups of objects to be set aside into independent
- * control groups for use by different user level processes (e.g. two X servers
- * running simultaneously on different heads, each with their own mode
+	void (*atomic_state_clear)(struct drm_atomic_state *state);
- * configuration and freedom of mode setting).
+	void (*atomic_state_free)(struct drm_atomic_state *state);
- */
-struct drm_mode_group {
-	uint32_t num_crtcs;
-	uint32_t num_encoders;
-	uint32_t num_connectors;
-	uint32_t num_bridges;
-	/* list of object IDs for this group */
-	uint32_t *id_list;
 };
 /**
  * struct drm_mode_config - Mode configuration control structure
  * @fb_lock: mutex to protect fb state and lists
  * @num_fb: number of fbs available
  * @fb_list: list of framebuffers available
  * @num_connector: number of connectors on this device
  * @connector_list: list of connector objects
- * @num_bridge: number of bridges on this device
- * @bridge_list: list of bridge objects
  * @num_encoder: number of encoders on this device
  * @encoder_list: list of encoder objects
  * @num_overlay_plane: number of overlay planes on this device
  * @num_total_plane: number of universal (i.e. with primary/curso) planes on this device
  * @plane_list: list of plane objects
  * @fb_base: base address of the framebuffer
  * @poll_enabled: track polling support for this device
  * @poll_running: track polling status for this device
  * @output_poll_work: delayed work for polling in process context
  * @property_blob_list: list of all the blob property objects
+ * @blob_lock: mutex for blob property allocation and management
  * @*_property: core property tracking
  * @preferred_depth: preferred RBG pixel depth, used by fb helpers
  * @prefer_shadow: hint to userspace to prefer shadow-fb rendering
  * @async_page_flip: does this device support async flips on the primary plane?
  * @cursor_width: hint to userspace for max cursor width
 	int num_fb;
 	struct list_head fb_list;
 	int num_connector;
-	struct list_head connector_list;
-	int num_bridge;
-	struct list_head bridge_list;
+	struct list_head connector_list;
 	int num_encoder;
 	struct list_head encoder_list;
 	resource_size_t fb_base;
 	/* output poll support */
 	bool poll_enabled;
+	bool poll_running;
-	bool poll_running;
+	bool delayed_event;
+	struct delayed_work output_poll_work;
-	struct delayed_work output_poll_work;
+	struct mutex blob_lock;
 	/* pointers to standard properties */
 	struct list_head property_blob_list;
 	struct drm_property *edid_property;
 	struct drm_property *dpms_property;
 	struct drm_property *path_property;
 	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;
-	struct drm_property *plane_type_property;
+	struct drm_property *prop_active;
-	struct drm_property *rotation_property;
+	struct drm_property *prop_mode_id;
 	uint32_t preferred_depth, prefer_shadow;
 	/* whether async page flip is supported or not */
+	bool async_page_flip;
+	/* whether the driver supports fb modifiers */
-	bool async_page_flip;
+	bool allow_fb_modifiers;
 	/* cursor size */
 	uint32_t cursor_width, cursor_height;
 extern void drm_connector_cleanup(struct drm_connector *connector);
 extern unsigned int drm_connector_index(struct drm_connector *connector);
 /* helper to unplug all connectors from sysfs for device */
 extern void drm_connector_unplug_all(struct drm_device *dev);
+extern int drm_bridge_add(struct drm_bridge *bridge);
+extern void drm_bridge_remove(struct drm_bridge *bridge);
+extern struct drm_bridge *of_drm_find_bridge(struct device_node *np);
+extern int drm_bridge_attach(struct drm_device *dev, struct drm_bridge *bridge);
-extern int drm_bridge_init(struct drm_device *dev, struct drm_bridge *bridge,
+bool drm_bridge_mode_fixup(struct drm_bridge *bridge,
+			const struct drm_display_mode *mode,
-			   const struct drm_bridge_funcs *funcs);
+			struct drm_display_mode *adjusted_mode);
+void drm_bridge_disable(struct drm_bridge *bridge);
+void drm_bridge_post_disable(struct drm_bridge *bridge);
+void drm_bridge_mode_set(struct drm_bridge *bridge,
+			struct drm_display_mode *mode,
+			struct drm_display_mode *adjusted_mode);
+void drm_bridge_pre_enable(struct drm_bridge *bridge);
-extern void drm_bridge_cleanup(struct drm_bridge *bridge);
+void drm_bridge_enable(struct drm_bridge *bridge);
 extern int drm_encoder_init(struct drm_device *dev,
-			     struct drm_encoder *encoder,
+			    struct drm_encoder *encoder,
 extern int drm_universal_plane_init(struct drm_device *dev,
 				    struct drm_plane *plane,
 				    unsigned long possible_crtcs,
 				    const struct drm_plane_funcs *funcs,
 				    const uint32_t *formats,
-				    uint32_t format_count,
+				    unsigned int format_count,
 				    enum drm_plane_type type);
 extern int drm_plane_init(struct drm_device *dev,
 			  struct drm_plane *plane,
 			  unsigned long possible_crtcs,
 			  const struct drm_plane_funcs *funcs,
-			  const uint32_t *formats, uint32_t format_count,
+			  const uint32_t *formats, unsigned int format_count,
 			  bool is_primary);
 extern void drm_plane_cleanup(struct drm_plane *plane);
 extern unsigned int drm_plane_index(struct drm_plane *plane);
+extern struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx);
 extern void drm_plane_force_disable(struct drm_plane *plane);
+extern int drm_plane_check_pixel_format(const struct drm_plane *plane,
+					u32 format);
+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,
 				   const struct drm_framebuffer *fb);
 extern const char *drm_get_dvi_i_subconnector_name(int val);
 extern const char *drm_get_dvi_i_select_name(int val);
 extern const char *drm_get_tv_subconnector_name(int val);
 extern const char *drm_get_tv_select_name(int val);
 extern void drm_fb_release(struct drm_file *file_priv);
-extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
-extern void drm_mode_group_destroy(struct drm_mode_group *group);
+extern void drm_property_destroy_user_blobs(struct drm_device *dev,
-extern void drm_reinit_primary_mode_group(struct drm_device *dev);
+                                            struct drm_file *file_priv);
 extern bool drm_probe_ddc(struct i2c_adapter *adapter);
 extern struct edid *drm_get_edid(struct drm_connector *connector,
 				 struct i2c_adapter *adapter);
 extern struct edid *drm_edid_duplicate(const struct edid *edid);
 extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
 						const char *path);
 int drm_mode_connector_set_tile_property(struct drm_connector *connector);
 extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
 						   const struct edid *edid);
+extern int drm_display_info_set_bus_formats(struct drm_display_info *info,
+					    const u32 *formats,
+					    unsigned int num_formats);
 static inline bool drm_property_type_is(struct drm_property *property,
 		uint32_t type)
+{
 	/* instanceof for props.. handles extended type vs original types: */
 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);
+struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags,
+					 const char *name);
+struct drm_property_blob *drm_property_create_blob(struct drm_device *dev,
+                                                   size_t length,
+                                                   const void *data);
+struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev,
+                                                   uint32_t id);
+struct drm_property_blob *drm_property_reference_blob(struct drm_property_blob *blob);
+void drm_property_unreference_blob(struct drm_property_blob *blob);
 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
 extern int drm_property_add_enum(struct drm_property *property, int index,
 				 uint64_t value, const char *name);
 extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
 extern int drm_mode_create_tv_properties(struct drm_device *dev,
 					 unsigned int num_modes,
-					 char *modes[]);
+					 const char * const modes[]);
 extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
 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_crtc_set_gamma_size(struct drm_crtc *crtc,
 extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
 				      void *data, struct drm_file *file_priv);
 extern int drm_mode_getblob_ioctl(struct drm_device *dev,
+				  void *data, struct drm_file *file_priv);
+extern int drm_mode_createblob_ioctl(struct drm_device *dev,
+				     void *data, struct drm_file *file_priv);
+extern int drm_mode_destroyblob_ioctl(struct drm_device *dev,
-				  void *data, struct drm_file *file_priv);
+				      void *data, struct drm_file *file_priv);
 extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
 					      void *data, struct drm_file *file_priv);
 extern int drm_mode_getencoder(struct drm_device *dev,
 			       void *data, struct drm_file *file_priv);
 				int hdisplay, int vdisplay);
 extern void drm_set_preferred_mode(struct drm_connector *connector,
 				   int hpref, int vpref);
 extern int drm_edid_header_is_valid(const u8 *raw_edid);
+extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
-extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid);
+				 bool *edid_corrupt);
 extern bool drm_edid_is_valid(struct edid *edid);
 extern struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev,
 extern int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
 					   struct drm_file *file_priv);
 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);
 extern int drm_format_num_planes(uint32_t format);
 	struct drm_mode_object *mo;
 	mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PROPERTY);
 	return mo ? obj_to_property(mo) : NULL;
+}
+/* Plane list iterator for legacy (overlay only) planes. */
+#define drm_for_each_legacy_plane(plane, dev) \
+	list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) \
+		if (plane->type == DRM_PLANE_TYPE_OVERLAY)
+#define drm_for_each_plane(plane, dev) \
+	list_for_each_entry(plane, &(dev)->mode_config.plane_list, head)
+#define drm_for_each_crtc(crtc, dev) \
+	list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head)
-static inline struct drm_property_blob *
+static inline void
-drm_property_blob_find(struct drm_device *dev, uint32_t id)
+assert_drm_connector_list_read_locked(struct drm_mode_config *mode_config)
+{
+	/*
+	 * The connector hotadd/remove code currently grabs both locks when
-{
+	 * updating lists. Hence readers need only hold either of them to be
+	 * safe and the check amounts to
-	struct drm_mode_object *mo;
+	 *
+	 * WARN_ON(not_holding(A) && not_holding(B)).
+	 */
-	mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_BLOB);
+	WARN_ON(!mutex_is_locked(&mode_config->mutex) &&
-	return mo ? obj_to_blob(mo) : NULL;
+		!drm_modeset_is_locked(&mode_config->connection_mutex));
+}
+#define drm_for_each_connector(connector, dev) \
+	for (assert_drm_connector_list_read_locked(&(dev)->mode_config),	\
+	     connector = list_first_entry(&(dev)->mode_config.connector_list,	\
-}
+					  struct drm_connector, head);		\
+	     &connector->head != (&(dev)->mode_config.connector_list);		\
+	     connector = list_next_entry(connector, head))
-/* Plane list iterator for legacy (overlay only) planes. */
+#define drm_for_each_encoder(encoder, dev) \
+	list_for_each_entry(encoder, &(dev)->mode_config.encoder_list, head)
+#define drm_for_each_fb(fb, dev) \
+	for (WARN_ON(!mutex_is_locked(&(dev)->mode_config.fb_lock)),		\
-#define drm_for_each_legacy_plane(plane, planelist) \
+	     fb = list_first_entry(&(dev)->mode_config.fb_list,	\
+					  struct drm_framebuffer, head);	\
-	list_for_each_entry(plane, planelist, head) \
+	     &fb->head != (&(dev)->mode_config.fb_list);			\

Subversion Repositories Kolibri OS

(root)/drivers/include/drm/drm_crtc.h – Rev 5270 → 6082