struct drm_file;
struct drm_clip_rect;
struct device_node;
+struct fence;
#define DRM_MODE_OBJECT_CRTC 0xcccccccc
#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
int (*create_handle)(struct drm_framebuffer *fb,
struct drm_file *file_priv,
unsigned int *handle);
- /**
- * Optinal callback for the dirty fb ioctl.
+ /*
+ * Optional callback for the dirty fb ioctl.
*
* Userspace can notify the driver via this callback
* that a area of the framebuffer has changed and should
struct drm_property_blob {
struct drm_mode_object base;
struct list_head head;
- unsigned int length;
+ size_t length;
unsigned char data[];
};
uint64_t *values;
struct drm_device *dev;
- struct list_head enum_blob_list;
+ struct list_head enum_list;
};
struct drm_crtc;
struct drm_pending_vblank_event;
struct drm_plane;
struct drm_bridge;
+struct drm_atomic_state;
+
+/**
+ * struct drm_crtc_state - mutable CRTC state
+ * @enable: whether the CRTC should be enabled, gates all other state
+ * @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
+ * update to ensure framebuffer cleanup isn't done too early
+ * @planes_changed: for use by helpers and drivers when computing state updates
+ * @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
+ */
+struct drm_crtc_state {
+ bool enable;
+
+ /* computed state bits used by helpers and drivers */
+ bool planes_changed : 1;
+ bool mode_changed : 1;
+
+ /* attached planes bitmask:
+ * WARNING: transitional helpers do not maintain plane_mask so
+ * drivers not converted over to atomic helpers should not rely
+ * on plane_mask being accurate!
+ */
+ u32 plane_mask;
+
+ /* last_vblank_count: for vblank waits before cleanup */
+ u32 last_vblank_count;
+
+ /* adjusted_mode: for use by helpers and drivers */
+ struct drm_display_mode adjusted_mode;
+
+ struct drm_display_mode mode;
+
+ struct drm_pending_vblank_event *event;
+
+ struct drm_atomic_state *state;
+};
/**
- * drm_crtc_funcs - control CRTCs for a given device
+ * struct drm_crtc_funcs - control CRTCs for a given device
* @save: save CRTC state
* @restore: restore CRTC state
* @reset: reset CRTC after state has been invalidated (e.g. resume)
* @cursor_set: setup the cursor
+ * @cursor_set2: setup the cursor with hotspot, superseeds @cursor_set if set
* @cursor_move: move the cursor
* @gamma_set: specify color ramp for CRTC
* @destroy: deinit and free object
* @set_property: called when a property is changed
* @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
*
* 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
int (*set_property)(struct drm_crtc *crtc,
struct drm_property *property, uint64_t val);
+
+ /* atomic update handling */
+ struct drm_crtc_state *(*atomic_duplicate_state)(struct drm_crtc *crtc);
+ void (*atomic_destroy_state)(struct drm_crtc *crtc,
+ 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);
};
/**
- * drm_crtc - central CRTC control structure
+ * struct drm_crtc - central CRTC control structure
* @dev: parent DRM device
+ * @port: OF node used by drm_of_find_possible_crtcs()
* @head: list management
* @mutex: per-CRTC locking
* @base: base KMS object for ID tracking etc.
* @primary: primary plane for this CRTC
* @cursor: cursor plane for this CRTC
+ * @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
* @gamma_size: size of gamma ramp
* @gamma_store: gamma ramp values
* @framedur_ns: precise frame timing
- * @framedur_ns: precise line 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
*
* Each CRTC may have one or more connectors associated with it. This structure
* allows the CRTC to be controlled.
struct device_node *port;
struct list_head head;
- /**
+ /*
* crtc mutex
*
* This provides a read lock for the overall crtc state (mode, dpms
struct drm_object_properties properties;
+ struct drm_crtc_state *state;
+
/*
* For legacy crtc ioctls so that atomic drivers can get at the locking
* acquire context.
struct drm_modeset_acquire_ctx *acquire_ctx;
};
+/**
+ * struct drm_connector_state - mutable connector state
+ * @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_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_connector() */
+
+ struct drm_encoder *best_encoder;
+
+ struct drm_atomic_state *state;
+};
/**
- * drm_connector_funcs - control connectors on a given device
+ * struct drm_connector_funcs - control connectors on a given device
* @dpms: set power state (see drm_crtc_funcs above)
* @save: save connector state
* @restore: restore connector state
* @set_property: property for this connector may need an update
* @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
*
* 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,
uint64_t val);
void (*destroy)(struct drm_connector *connector);
void (*force)(struct drm_connector *connector);
+
+ /* atomic update handling */
+ struct drm_connector_state *(*atomic_duplicate_state)(struct drm_connector *connector);
+ void (*atomic_destroy_state)(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);
};
/**
- * drm_encoder_funcs - encoder controls
+ * struct drm_encoder_funcs - encoder controls
* @reset: reset state (e.g. at init or resume time)
* @destroy: cleanup and free associated data
*
#define DRM_CONNECTOR_MAX_ENCODER 3
/**
- * drm_encoder - central DRM encoder structure
+ * struct drm_encoder - central DRM encoder structure
* @dev: parent DRM device
* @head: list management
* @base: base KMS object
#define MAX_ELD_BYTES 128
/**
- * drm_connector - central DRM connector control structure
+ * struct drm_connector - central DRM connector control structure
* @dev: parent DRM device
* @kdev: kernel device for sysfs attributes
* @attr: sysfs attributes
* @connector_type_id: index into connector type enum
* @interlace_allowed: can this connector handle interlaced modes?
* @doublescan_allowed: can this connector handle doublescan?
+ * @stereo_allowed: can this connector handle stereo modes?
* @modes: modes available on this connector (from fill_modes() + user)
* @status: one of the drm_connector_status enums (connected, not, or unknown)
* @probed_modes: list of modes derived directly from the display
* @funcs: connector control functions
* @edid_blob_ptr: DRM property containing EDID if present
* @properties: property tracking for this connector
+ * @path_blob_ptr: DRM blob property data for the DP MST path property
* @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling
* @dpms: current dpms state
* @helper_private: mid-layer private data
+ * @cmdline_mode: mode line parsed from the kernel cmdline for this connector
* @force: a %DRM_FORCE_<foo> state for forced mode sets
+ * @override_edid: has the EDID been overwritten through debugfs for testing?
* @encoder_ids: valid encoders for this connector
* @encoder: encoder driving this connector, if any
* @eld: EDID-like data, if present
* @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
+ * @debugfs_entry: debugfs directory for this connector
+ * @state: current atomic state for this connector
*
* Each connector may be connected to one or more CRTCs, or may be clonable by
* another connector if they can share a CRTC. Each connector also has a specific
unsigned bad_edid_counter;
struct dentry *debugfs_entry;
+
+ struct drm_connector_state *state;
+};
+
+/**
+ * struct drm_plane_state - mutable plane state
+ * @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
+ * @crtc_y: upper position of visible portion of plane on crtc
+ * @crtc_w: width of visible portion of plane on crtc
+ * @crtc_h: height of visible portion of plane on crtc
+ * @src_x: left position of visible portion of plane within
+ * plane (in 16.16)
+ * @src_y: upper position of visible portion of plane within
+ * plane (in 16.16)
+ * @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_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;
+
+ /* Signed dest location allows it to be partially off screen */
+ int32_t crtc_x, crtc_y;
+ uint32_t crtc_w, crtc_h;
+
+ /* Source values are 16.16 fixed point */
+ uint32_t src_x, src_y;
+ uint32_t src_h, src_w;
+
+ struct drm_atomic_state *state;
};
+
/**
- * drm_plane_funcs - driver plane control functions
+ * struct drm_plane_funcs - driver plane control functions
* @update_plane: update the plane configuration
* @disable_plane: shut down the plane
* @destroy: clean up plane resources
+ * @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
*/
struct drm_plane_funcs {
int (*update_plane)(struct drm_plane *plane,
int (*set_property)(struct drm_plane *plane,
struct drm_property *property, uint64_t val);
+
+ /* atomic update handling */
+ struct drm_plane_state *(*atomic_duplicate_state)(struct drm_plane *plane);
+ void (*atomic_destroy_state)(struct drm_plane *plane,
+ 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);
};
enum drm_plane_type {
};
/**
- * drm_plane - central DRM plane control structure
+ * struct drm_plane - central DRM plane control structure
* @dev: DRM device this plane belongs to
* @head: for list management
* @base: base mode object
* @format_count: number of formats supported
* @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
* @properties: property tracking for this plane
* @type: type of plane (overlay, primary, cursor)
+ * @state: current atomic state for this plane
*/
struct drm_plane {
struct drm_device *dev;
struct list_head head;
+ struct drm_modeset_lock mutex;
+
struct drm_mode_object base;
uint32_t possible_crtcs;
struct drm_crtc *crtc;
struct drm_framebuffer *fb;
- /* Temporary tracking of the old fb while a modeset is ongoing. Used
- * by drm_mode_set_config_internal to implement correct refcounting. */
struct drm_framebuffer *old_fb;
const struct drm_plane_funcs *funcs;
struct drm_object_properties properties;
enum drm_plane_type type;
+
+ void *helper_private;
+
+ struct drm_plane_state *state;
};
/**
- * drm_bridge_funcs - drm_bridge control functions
+ * struct drm_bridge_funcs - drm_bridge control functions
* @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
};
/**
- * drm_bridge - central DRM bridge control structure
+ * struct drm_bridge - central DRM bridge control structure
* @dev: DRM device this bridge belongs to
* @head: list management
* @base: base mode object
};
/**
- * drm_mode_set - new values for a CRTC config change
- * @head: list management
+ * struct struct drm_atomic_state - the global state object for atomic updates
+ * @dev: parent DRM device
+ * @flags: state flags like async update
+ * @planes: pointer to array of plane pointers
+ * @plane_states: pointer to array of plane states pointers
+ * @crtcs: pointer to array of CRTC pointers
+ * @crtc_states: pointer to array of CRTC states pointers
+ * @num_connector: size of the @connectors and @connector_states arrays
+ * @connectors: pointer to array of connector pointers
+ * @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;
+ 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_connector **connectors;
+ struct drm_connector_state **connector_states;
+
+ struct drm_modeset_acquire_ctx *acquire_ctx;
+};
+
+
+/**
+ * struct drm_mode_set - new values for a CRTC config change
* @fb: framebuffer to use for new config
* @crtc: CRTC whose configuration we're about to change
* @mode: mode timings to use
* 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_commit: commit an atomic state update previously verified with
+ * atomic_check()
*
* Some global (i.e. not per-CRTC, connector, etc) mode setting functions that
* involve drivers.
struct drm_file *file_priv,
struct drm_mode_fb_cmd2 *mode_cmd);
void (*output_poll_changed)(struct drm_device *dev);
+
+ 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);
};
/**
- * drm_mode_group - group of mode setting resources for potential sub-grouping
+ * struct drm_mode_group - group of mode setting resources for potential sub-grouping
* @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
};
/**
- * drm_mode_config - Mode configuration control structure
+ * struct drm_mode_config - Mode configuration control structure
* @mutex: mutex protecting KMS related lists and structures
+ * @connection_mutex: ww mutex protecting connector state and routing
+ * @acquire_ctx: global implicit acquire context used by atomic drivers for
+ * legacy ioctls
* @idr_mutex: mutex for KMS ID allocation and management
* @crtc_idr: main KMS ID tracking object
+ * @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
* @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
* @num_crtc: number of CRTCs on this device
* @crtc_list: list of CRTC objects
+ * @property_list: list of property objects
* @min_width: minimum pixel width on this device
* @min_height: minimum pixel height on this device
* @max_width: maximum pixel width on this device
* @max_height: maximum pixel height on this device
* @funcs: core driver provided mode setting functions
* @fb_base: base address of the framebuffer
- * @poll_enabled: track polling status for this device
+ * @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
* @*_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
+ * @cursor_height: hint to userspace for max cursor height
*
* Core mode resource tracking structure. All CRTC, encoders, and connectors
* enumerated by the driver are added here, as are global properties. Some
struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
/* this is limited to one for now */
-
- /**
- * fb_lock - mutex to protect fb state
- *
- * Besides the global fb list his also protects the fbs list in the
- * file_priv
- */
- struct mutex fb_lock;
+ struct mutex fb_lock; /* proctects global and per-file fb lists */
int num_fb;
struct list_head fb_list;
struct drm_property *aspect_ratio_property;
struct drm_property *dirty_info_property;
+ /* properties for virtual machine layout */
+ struct drm_property *suggested_x_property;
+ struct drm_property *suggested_y_property;
+
/* dumb ioctl parameters */
uint32_t preferred_depth, prefer_shadow;
uint32_t cursor_width, cursor_height;
};
+/**
+ * drm_for_each_plane_mask - iterate over planes specified by bitmask
+ * @plane: the loop cursor
+ * @dev: the DRM device
+ * @plane_mask: bitmask of plane indices
+ *
+ * Iterate over all planes specified by bitmask.
+ */
+#define drm_for_each_plane_mask(plane, dev, plane_mask) \
+ list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \
+ if ((plane_mask) & (1 << drm_plane_index(plane)))
+
+
#define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
#define obj_to_connector(x) container_of(x, struct drm_connector, base)
#define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
struct drm_plane *primary,
struct drm_plane *cursor,
const struct drm_crtc_funcs *funcs);
-extern int drm_crtc_init(struct drm_device *dev,
- struct drm_crtc *crtc,
- const struct drm_crtc_funcs *funcs);
extern void drm_crtc_cleanup(struct drm_crtc *crtc);
extern unsigned int drm_crtc_index(struct drm_crtc *crtc);
extern void drm_mode_config_cleanup(struct drm_device *dev);
extern int drm_mode_connector_set_path_property(struct drm_connector *connector,
- char *path);
+ const char *path);
extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
- struct edid *edid);
+ const struct edid *edid);
static inline bool drm_property_type_is(struct drm_property *property,
uint32_t type)
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, int num_formats,
- char *formats[]);
+extern int drm_mode_create_tv_properties(struct drm_device *dev,
+ unsigned int num_modes,
+ char *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 int drm_mode_connector_attach_encoder(struct drm_connector *connector,
struct drm_encoder *encoder);
projects / mirror_ubuntu-jammy-kernel.git / blobdiff