* @mode_changed: crtc_state->mode or crtc_state->enable has been changed
* @active_changed: crtc_state->active has been toggled.
* @connectors_changed: connectors to this crtc have been updated
+ * @color_mgmt_changed: color management properties have changed (degamma or
+ * gamma LUT or CSC matrix)
* @plane_mask: bitmask of (1 << drm_plane_index(plane)) of attached planes
* @connector_mask: bitmask of (1 << drm_connector_index(connector)) of attached connectors
+ * @encoder_mask: bitmask of (1 << drm_encoder_index(encoder)) of attached encoders
* @last_vblank_count: for helpers and drivers to capture the vblank of the
* 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
+ * @degamma_lut: Lookup table for converting framebuffer pixel data
+ * before apply the conversion matrix
+ * @ctm: Transformation matrix
+ * @gamma_lut: Lookup table for converting pixel data after the
+ * conversion matrix
* @event: optional pointer to a DRM event to signal upon completion of the
* state update
* @state: backpointer to global drm_atomic_state
bool mode_changed : 1;
bool active_changed : 1;
bool connectors_changed : 1;
+ bool color_mgmt_changed : 1;
/* attached planes bitmask:
* WARNING: transitional helpers do not maintain plane_mask so
u32 plane_mask;
u32 connector_mask;
+ u32 encoder_mask;
/* last_vblank_count: for vblank waits before cleanup */
u32 last_vblank_count;
/* blob property to expose current mode to atomic userspace */
struct drm_property_blob *mode_blob;
+ /* blob property to expose color management to userspace */
+ struct drm_property_blob *degamma_lut;
+ struct drm_property_blob *ctm;
+ struct drm_property_blob *gamma_lut;
+
struct drm_pending_vblank_event *event;
struct drm_atomic_state *state;
int x, y;
const struct drm_crtc_funcs *funcs;
- /* CRTC gamma size for reporting to userspace */
+ /* Legacy FB CRTC gamma size for reporting to userspace */
uint32_t gamma_size;
uint16_t *gamma_store;
*
* The bridge can assume that the display pipe (i.e. clocks and timing
* signals) feeding it is still running when this callback is called.
+ *
+ * The disable callback is optional.
*/
void (*disable)(struct drm_bridge *bridge);
* The bridge must assume that the display pipe (i.e. clocks and timing
* singals) feeding it is no longer running when this callback is
* called.
+ *
+ * The post_disable callback is optional.
*/
void (*post_disable)(struct drm_bridge *bridge);
* will not yet be running when this callback is called. The bridge must
* not enable the display link feeding the next bridge in the chain (if
* there is one) when this callback is called.
+ *
+ * The pre_enable callback is optional.
*/
void (*pre_enable)(struct drm_bridge *bridge);
* signals) feeding it is running when this callback is called. This
* callback must enable the display link feeding the next bridge in the
* chain if there is one.
+ *
+ * The enable callback is optional.
*/
void (*enable)(struct drm_bridge *bridge);
};
* @dev: parent DRM device
* @allow_modeset: allow full modeset
* @legacy_cursor_update: hint to enforce legacy cursor IOCTL semantics
+ * @legacy_set_config: Disable conflicting encoders instead of failing with -EINVAL.
* @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_device *dev;
bool allow_modeset : 1;
bool legacy_cursor_update : 1;
+ bool legacy_set_config : 1;
struct drm_plane **planes;
struct drm_plane_state **plane_states;
struct drm_crtc **crtcs;
* @property_blob_list: list of all the blob property objects
* @blob_lock: mutex for blob property allocation and management
* @*_property: core property tracking
+ * @degamma_lut_property: LUT used to convert the framebuffer's colors to linear
+ * gamma
+ * @degamma_lut_size_property: size of the degamma LUT as supported by the
+ * driver (read-only)
+ * @ctm_property: Matrix used to convert colors after the lookup in the
+ * degamma LUT
+ * @gamma_lut_property: LUT used to convert the colors, after the CSC matrix, to
+ * the gamma space of the connected screen (read-only)
+ * @gamma_lut_size_property: size of the gamma LUT as supported by the driver
* @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?
struct drm_property *aspect_ratio_property;
struct drm_property *dirty_info_property;
+ /* Optional color correction properties */
+ struct drm_property *degamma_lut_property;
+ struct drm_property *degamma_lut_size_property;
+ struct drm_property *ctm_property;
+ struct drm_property *gamma_lut_property;
+ struct drm_property *gamma_lut_size_property;
+
/* properties for virtual machine layout */
struct drm_property *suggested_x_property;
struct drm_property *suggested_y_property;
list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \
for_each_if ((plane_mask) & (1 << drm_plane_index(plane)))
+/**
+ * drm_for_each_encoder_mask - iterate over encoders specified by bitmask
+ * @encoder: the loop cursor
+ * @dev: the DRM device
+ * @encoder_mask: bitmask of encoder indices
+ *
+ * Iterate over all encoders specified by bitmask.
+ */
+#define drm_for_each_encoder_mask(encoder, dev, encoder_mask) \
+ list_for_each_entry((encoder), &(dev)->mode_config.encoder_list, head) \
+ for_each_if ((encoder_mask) & (1 << drm_encoder_index(encoder)))
#define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
#define obj_to_connector(x) container_of(x, struct drm_connector, base)
struct drm_encoder *encoder,
const struct drm_encoder_funcs *funcs,
int encoder_type, const char *name, ...);
+extern unsigned int drm_encoder_index(struct drm_encoder *encoder);
/**
* drm_encoder_crtc_ok - can a given crtc drive a given encoder?
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_get_edid_switcheroo(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);
extern void drm_mode_config_init(struct drm_device *dev);
extern int drm_format_plane_cpp(uint32_t format, int plane);
extern int drm_format_horz_chroma_subsampling(uint32_t format);
extern int drm_format_vert_chroma_subsampling(uint32_t format);
+extern int drm_format_plane_width(int width, uint32_t format, int plane);
+extern int drm_format_plane_height(int height, uint32_t format, int plane);
extern const char *drm_get_format_name(uint32_t format);
extern struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev,
unsigned int supported_rotations);
return mo ? obj_to_property(mo) : NULL;
}
+/*
+ * Extract a degamma/gamma LUT value provided by user and round it to the
+ * precision supported by the hardware.
+ */
+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 max = 0xffff >> (16 - bit_precision);
+
+ val >>= 16 - bit_precision;
+
+ return clamp_val(val, 0, max);
+}
+
/* 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 / mirror_ubuntu-zesty-kernel.git / blobdiff