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
#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.
*/
const u32 *bus_formats;
unsigned int num_bus_formats;
+ u32 bus_flags;
/* Mask of supported hdmi deep color modes */
u8 edid_hdmi_dc_modes;
* 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.
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;
* 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
* 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
*
* 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
*/
int (*atomic_commit)(struct drm_device *dev,
struct drm_atomic_state *state,
- bool async);
+ bool nonblock);
/**
* @atomic_state_alloc:
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);
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);
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,
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]);
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;
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) \
projects / linux-2.6-block.git / blobdiff