diff options
Diffstat (limited to 'include/drm/drm_plane.h')
| -rw-r--r-- | include/drm/drm_plane.h | 43 |
1 files changed, 30 insertions, 13 deletions
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 20867b4371ab..9ab3e7044812 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -29,6 +29,7 @@ struct drm_crtc; struct drm_printer; +struct drm_modeset_acquire_ctx; /** * struct drm_plane_state - mutable plane state @@ -184,7 +185,8 @@ struct drm_plane_funcs { int crtc_x, int crtc_y, unsigned int crtc_w, unsigned int crtc_h, uint32_t src_x, uint32_t src_y, - uint32_t src_w, uint32_t src_h); + uint32_t src_w, uint32_t src_h, + struct drm_modeset_acquire_ctx *ctx); /** * @disable_plane: @@ -201,7 +203,8 @@ struct drm_plane_funcs { * * 0 on success or a negative error code on failure. */ - int (*disable_plane)(struct drm_plane *plane); + int (*disable_plane)(struct drm_plane *plane, + struct drm_modeset_acquire_ctx *ctx); /** * @destroy: @@ -456,7 +459,6 @@ enum drm_plane_type { * @funcs: helper functions * @properties: property tracking for this plane * @type: type of plane (overlay, primary, cursor) - * @state: current atomic state for this plane * @zpos_property: zpos property for this plane * @rotation_property: rotation property for this plane * @helper_private: mid-layer private data @@ -473,6 +475,8 @@ struct drm_plane { * Protects modeset plane state, together with the &drm_crtc.mutex of * CRTC this plane is linked to (when active, getting activated or * getting disabled). + * + * For atomic drivers specifically this protects @state. */ struct drm_modeset_lock mutex; @@ -502,6 +506,19 @@ struct drm_plane { const struct drm_plane_helper_funcs *helper_private; + /** + * @state: + * + * Current atomic state for this plane. + * + * This is protected by @mutex. Note that nonblocking atomic commits + * access the current plane state without taking locks. Either by going + * through the &struct drm_atomic_state pointers, see + * for_each_plane_in_state(), for_each_oldnew_plane_in_state(), + * for_each_old_plane_in_state() and for_each_new_plane_in_state(). Or + * through careful ordering of atomic commit operations as implemented + * in the atomic helpers, see &struct drm_crtc_commit. + */ struct drm_plane_state *state; struct drm_property *zpos_property; @@ -510,7 +527,7 @@ struct drm_plane { #define obj_to_plane(x) container_of(x, struct drm_plane, base) -extern __printf(8, 9) +__printf(8, 9) int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, uint32_t possible_crtcs, @@ -519,13 +536,13 @@ int drm_universal_plane_init(struct drm_device *dev, unsigned int format_count, enum drm_plane_type type, const char *name, ...); -extern int drm_plane_init(struct drm_device *dev, - struct drm_plane *plane, - uint32_t possible_crtcs, - const struct drm_plane_funcs *funcs, - const uint32_t *formats, unsigned int format_count, - bool is_primary); -extern void drm_plane_cleanup(struct drm_plane *plane); +int drm_plane_init(struct drm_device *dev, + struct drm_plane *plane, + uint32_t possible_crtcs, + const struct drm_plane_funcs *funcs, + const uint32_t *formats, unsigned int format_count, + bool is_primary); +void drm_plane_cleanup(struct drm_plane *plane); /** * drm_plane_index - find the index of a registered plane @@ -538,8 +555,8 @@ static inline unsigned int drm_plane_index(struct drm_plane *plane) { return plane->index; } -extern struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx); -extern void drm_plane_force_disable(struct drm_plane *plane); +struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx); +void drm_plane_force_disable(struct drm_plane *plane); int drm_mode_plane_set_obj_prop(struct drm_plane *plane, struct drm_property *property, |