diff options
Diffstat (limited to 'include/drm/drm_crtc.h')
| -rw-r--r-- | include/drm/drm_crtc.h | 116 |
1 files changed, 93 insertions, 23 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index e0170bf80bb0..d1559cd04e3d 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -45,20 +45,12 @@ struct drm_clip_rect; struct device_node; struct fence; -#define DRM_MODE_OBJECT_CRTC 0xcccccccc -#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 -#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 -#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_ANY 0 - struct drm_mode_object { uint32_t id; uint32_t type; struct drm_object_properties *properties; + struct kref refcount; + void (*free_cb)(struct kref *kref); }; #define DRM_OBJECT_MAX_PROPERTY 24 @@ -126,6 +118,14 @@ enum subpixel_order { #define DRM_COLOR_FORMAT_RGB444 (1<<0) #define DRM_COLOR_FORMAT_YCRCB444 (1<<1) #define DRM_COLOR_FORMAT_YCRCB422 (1<<2) + +#define DRM_BUS_FLAG_DE_LOW (1<<0) +#define DRM_BUS_FLAG_DE_HIGH (1<<1) +/* drive data on pos. edge */ +#define DRM_BUS_FLAG_PIXDATA_POSEDGE (1<<2) +/* drive data on neg. edge */ +#define DRM_BUS_FLAG_PIXDATA_NEGEDGE (1<<3) + /* * Describes a given display (e.g. CRT or flat panel) and its limitations. */ @@ -147,6 +147,7 @@ struct drm_display_info { const u32 *bus_formats; unsigned int num_bus_formats; + u32 bus_flags; /* Mask of supported hdmi deep color modes */ u8 edid_hdmi_dc_modes; @@ -233,8 +234,8 @@ struct drm_framebuffer { * should be deferred. In cases like this, the driver would like to * hold a ref to the fb even though it has already been removed from * userspace perspective. + * The refcount is stored inside the mode object. */ - struct kref refcount; /* * Place on the dev->mode_config.fb_list, access protected by * dev->mode_config.fb_lock. @@ -258,7 +259,6 @@ struct drm_framebuffer { struct drm_property_blob { struct drm_mode_object base; struct drm_device *dev; - struct kref refcount; struct list_head head_global; struct list_head head_file; size_t length; @@ -1895,7 +1895,7 @@ struct drm_mode_config_funcs { * drm_atomic_helper_commit(), or one of the exported sub-functions of * it. * - * Asynchronous commits (as indicated with the async parameter) must + * Nonblocking commits (as indicated with the nonblock parameter) must * do any preparatory work which might result in an unsuccessful commit * in the context of this callback. The only exceptions are hardware * errors resulting in -EIO. But even in that case the driver must @@ -1908,7 +1908,7 @@ struct drm_mode_config_funcs { * The driver must wait for any pending rendering to the new * framebuffers to complete before executing the flip. It should also * wait for any pending rendering from other drivers if the underlying - * buffer is a shared dma-buf. Asynchronous commits must not wait for + * buffer is a shared dma-buf. Nonblocking commits must not wait for * rendering in the context of this callback. * * An application can request to be notified when the atomic commit has @@ -1939,7 +1939,7 @@ struct drm_mode_config_funcs { * * 0 on success or one of the below negative error codes: * - * - -EBUSY, if an asynchronous updated is requested and there is + * - -EBUSY, if a nonblocking updated is requested and there is * an earlier updated pending. Drivers are allowed to support a queue * of outstanding updates, but currently no driver supports that. * Note that drivers must wait for preceding updates to complete if a @@ -1969,7 +1969,7 @@ struct drm_mode_config_funcs { */ int (*atomic_commit)(struct drm_device *dev, struct drm_atomic_state *state, - bool async); + bool nonblock); /** * @atomic_state_alloc: @@ -2259,8 +2259,9 @@ static inline unsigned drm_connector_index(struct drm_connector *connector) return connector->connector_id; } -/* helper to unplug all connectors from sysfs for device */ -extern void drm_connector_unplug_all(struct drm_device *dev); +/* helpers to {un}register all connectors from sysfs for device */ +extern int drm_connector_register_all(struct drm_device *dev); +extern void drm_connector_unregister_all(struct drm_device *dev); extern int drm_bridge_add(struct drm_bridge *bridge); extern void drm_bridge_remove(struct drm_bridge *bridge); @@ -2386,8 +2387,6 @@ extern int drm_framebuffer_init(struct drm_device *dev, const struct drm_framebuffer_funcs *funcs); extern struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, uint32_t id); -extern void drm_framebuffer_unreference(struct drm_framebuffer *fb); -extern void drm_framebuffer_reference(struct drm_framebuffer *fb); extern void drm_framebuffer_remove(struct drm_framebuffer *fb); extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb); extern void drm_framebuffer_unregister_private(struct drm_framebuffer *fb); @@ -2445,6 +2444,8 @@ extern int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, int gamma_size); extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, uint32_t id, uint32_t type); +void drm_mode_object_reference(struct drm_mode_object *obj); +void drm_mode_object_unreference(struct drm_mode_object *obj); /* IOCTLs */ extern int drm_mode_getresources(struct drm_device *dev, @@ -2510,6 +2511,8 @@ 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, bool *edid_corrupt); extern bool drm_edid_is_valid(struct edid *edid); +extern void drm_edid_get_monitor_name(struct edid *edid, char *name, + int buflen); extern struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, char topology[8]); @@ -2577,7 +2580,15 @@ static inline struct drm_encoder *drm_encoder_find(struct drm_device *dev, return mo ? obj_to_encoder(mo) : NULL; } -static inline struct drm_connector *drm_connector_find(struct drm_device *dev, +/** + * drm_connector_lookup - lookup connector object + * @dev: DRM device + * @id: connector object id + * + * This function looks up the connector object specified by id + * add takes a reference to it. + */ +static inline struct drm_connector *drm_connector_lookup(struct drm_device *dev, uint32_t id) { struct drm_mode_object *mo; @@ -2600,14 +2611,73 @@ static inline struct drm_property *drm_property_find(struct drm_device *dev, static inline uint32_t drm_color_lut_extract(uint32_t user_input, uint32_t bit_precision) { - uint32_t val = user_input + (1 << (16 - bit_precision - 1)); + uint32_t val = user_input; uint32_t max = 0xffff >> (16 - bit_precision); - val >>= 16 - bit_precision; + /* Round only if we're not using full precision. */ + if (bit_precision < 16) { + val += 1UL << (16 - bit_precision - 1); + val >>= 16 - bit_precision; + } return clamp_val(val, 0, max); } +/** + * drm_framebuffer_reference - incr the fb refcnt + * @fb: framebuffer + * + * This functions increments the fb's refcount. + */ +static inline void drm_framebuffer_reference(struct drm_framebuffer *fb) +{ + drm_mode_object_reference(&fb->base); +} + +/** + * drm_framebuffer_unreference - unref a framebuffer + * @fb: framebuffer to unref + * + * This functions decrements the fb's refcount and frees it if it drops to zero. + */ +static inline void drm_framebuffer_unreference(struct drm_framebuffer *fb) +{ + drm_mode_object_unreference(&fb->base); +} + +/** + * drm_framebuffer_read_refcount - read the framebuffer reference count. + * @fb: framebuffer + * + * This functions returns the framebuffer's reference count. + */ +static inline uint32_t drm_framebuffer_read_refcount(struct drm_framebuffer *fb) +{ + return atomic_read(&fb->base.refcount.refcount); +} + +/** + * drm_connector_reference - incr the connector refcnt + * @connector: connector + * + * This function increments the connector's refcount. + */ +static inline void drm_connector_reference(struct drm_connector *connector) +{ + drm_mode_object_reference(&connector->base); +} + +/** + * drm_connector_unreference - unref a connector + * @connector: connector to unref + * + * This function decrements the connector's refcount and frees it if it drops to zero. + */ +static inline void drm_connector_unreference(struct drm_connector *connector) +{ + drm_mode_object_unreference(&connector->base); +} + /* 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) \ |