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Diffstat (limited to 'include/drm/drm_atomic.h')
-rw-r--r--include/drm/drm_atomic.h95
1 files changed, 83 insertions, 12 deletions
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index c157103492b0..8a3a913320eb 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -35,6 +35,11 @@ drm_atomic_state_alloc(struct drm_device *dev);
void drm_atomic_state_clear(struct drm_atomic_state *state);
void drm_atomic_state_free(struct drm_atomic_state *state);
+int __must_check
+drm_atomic_state_init(struct drm_device *dev, struct drm_atomic_state *state);
+void drm_atomic_state_default_clear(struct drm_atomic_state *state);
+void drm_atomic_state_default_release(struct drm_atomic_state *state);
+
struct drm_crtc_state * __must_check
drm_atomic_get_crtc_state(struct drm_atomic_state *state,
struct drm_crtc *crtc);
@@ -54,6 +59,62 @@ int drm_atomic_connector_set_property(struct drm_connector *connector,
struct drm_connector_state *state, struct drm_property *property,
uint64_t val);
+/**
+ * drm_atomic_get_existing_crtc_state - get crtc state, if it exists
+ * @state: global atomic state object
+ * @crtc: crtc to grab
+ *
+ * This function returns the crtc state for the given crtc, or NULL
+ * if the crtc is not part of the global atomic state.
+ */
+static inline struct drm_crtc_state *
+drm_atomic_get_existing_crtc_state(struct drm_atomic_state *state,
+ struct drm_crtc *crtc)
+{
+ return state->crtc_states[drm_crtc_index(crtc)];
+}
+
+/**
+ * drm_atomic_get_existing_plane_state - get plane state, if it exists
+ * @state: global atomic state object
+ * @plane: plane to grab
+ *
+ * This function returns the plane state for the given plane, or NULL
+ * if the plane is not part of the global atomic state.
+ */
+static inline struct drm_plane_state *
+drm_atomic_get_existing_plane_state(struct drm_atomic_state *state,
+ struct drm_plane *plane)
+{
+ return state->plane_states[drm_plane_index(plane)];
+}
+
+/**
+ * drm_atomic_get_existing_connector_state - get connector state, if it exists
+ * @state: global atomic state object
+ * @connector: connector to grab
+ *
+ * This function returns the connector state for the given connector,
+ * or NULL if the connector is not part of the global atomic state.
+ */
+static inline struct drm_connector_state *
+drm_atomic_get_existing_connector_state(struct drm_atomic_state *state,
+ struct drm_connector *connector)
+{
+ int index = drm_connector_index(connector);
+
+ if (index >= state->num_connector)
+ return NULL;
+
+ return state->connector_states[index];
+}
+
+int __must_check
+drm_atomic_set_mode_for_crtc(struct drm_crtc_state *state,
+ struct drm_display_mode *mode);
+int __must_check
+drm_atomic_set_mode_prop_for_crtc(struct drm_crtc_state *state,
+ struct drm_property_blob *blob);
int __must_check
drm_atomic_set_crtc_for_plane(struct drm_plane_state *plane_state,
struct drm_crtc *crtc);
@@ -65,6 +126,10 @@ drm_atomic_set_crtc_for_connector(struct drm_connector_state *conn_state,
int __must_check
drm_atomic_add_affected_connectors(struct drm_atomic_state *state,
struct drm_crtc *crtc);
+int __must_check
+drm_atomic_add_affected_planes(struct drm_atomic_state *state,
+ struct drm_crtc *crtc);
+
int
drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,
struct drm_crtc *crtc);
@@ -77,26 +142,32 @@ int __must_check drm_atomic_async_commit(struct drm_atomic_state *state);
#define for_each_connector_in_state(state, connector, connector_state, __i) \
for ((__i) = 0; \
- (connector) = (state)->connectors[__i], \
- (connector_state) = (state)->connector_states[__i], \
- (__i) < (state)->num_connector; \
+ (__i) < (state)->num_connector && \
+ ((connector) = (state)->connectors[__i], \
+ (connector_state) = (state)->connector_states[__i], 1); \
(__i)++) \
if (connector)
#define for_each_crtc_in_state(state, crtc, crtc_state, __i) \
for ((__i) = 0; \
- (crtc) = (state)->crtcs[__i], \
- (crtc_state) = (state)->crtc_states[__i], \
- (__i) < (state)->dev->mode_config.num_crtc; \
+ (__i) < (state)->dev->mode_config.num_crtc && \
+ ((crtc) = (state)->crtcs[__i], \
+ (crtc_state) = (state)->crtc_states[__i], 1); \
(__i)++) \
if (crtc_state)
-#define for_each_plane_in_state(state, plane, plane_state, __i) \
- for ((__i) = 0; \
- (plane) = (state)->planes[__i], \
- (plane_state) = (state)->plane_states[__i], \
- (__i) < (state)->dev->mode_config.num_total_plane; \
- (__i)++) \
+#define for_each_plane_in_state(state, plane, plane_state, __i) \
+ for ((__i) = 0; \
+ (__i) < (state)->dev->mode_config.num_total_plane && \
+ ((plane) = (state)->planes[__i], \
+ (plane_state) = (state)->plane_states[__i], 1); \
+ (__i)++) \
if (plane_state)
+static inline bool
+drm_atomic_crtc_needs_modeset(struct drm_crtc_state *state)
+{
+ return state->mode_changed || state->active_changed;
+}
+
#endif /* DRM_ATOMIC_H_ */