diff options
Diffstat (limited to 'include/drm/drm_plane.h')
| -rw-r--r-- | include/drm/drm_plane.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index f7bf4a48b1c3..26fa50c2a50e 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -43,6 +43,7 @@ struct drm_modeset_acquire_ctx; * plane (in 16.16) * @src_w: width of visible portion of plane (in 16.16) * @src_h: height of visible portion of plane (in 16.16) + * @alpha: opacity of the plane * @rotation: rotation of the plane * @zpos: priority of the given plane on crtc (optional) * Note that multiple active planes on the same crtc can have an identical @@ -51,8 +52,8 @@ struct drm_modeset_acquire_ctx; * plane with a lower ID. * @normalized_zpos: normalized value of zpos: unique, range from 0 to N-1 * where N is the number of active planes for given crtc. Note that - * the driver must call drm_atomic_normalize_zpos() to update this before - * it can be trusted. + * the driver must set drm_mode_config.normalize_zpos or call + * drm_atomic_normalize_zpos() to update this before it can be trusted. * @src: clipped source coordinates of the plane (in 16.16) * @dst: clipped destination coordinates of the plane * @state: backpointer to global drm_atomic_state @@ -79,8 +80,15 @@ struct drm_plane_state { /** * @fence: * - * Optional fence to wait for before scanning out @fb. Do not write this - * directly, use drm_atomic_set_fence_for_plane() + * Optional fence to wait for before scanning out @fb. The core atomic + * code will set this when userspace is using explicit fencing. Do not + * write this directly for a driver's implicit fence, use + * drm_atomic_set_fence_for_plane() to ensure that an explicit fence is + * preserved. + * + * Drivers should store any implicit fence in this from their + * &drm_plane_helper.prepare_fb callback. See drm_gem_fb_prepare_fb() + * and drm_gem_fb_simple_display_pipe_prepare_fb() for suitable helpers. */ struct dma_fence *fence; @@ -106,6 +114,9 @@ struct drm_plane_state { uint32_t src_x, src_y; uint32_t src_h, src_w; + /* Plane opacity */ + u16 alpha; + /* Plane rotation */ unsigned int rotation; @@ -496,6 +507,7 @@ enum drm_plane_type { * @funcs: helper functions * @properties: property tracking for this plane * @type: type of plane (overlay, primary, cursor) + * @alpha_property: alpha property for this plane * @zpos_property: zpos property for this plane * @rotation_property: rotation property for this plane * @helper_private: mid-layer private data @@ -571,6 +583,7 @@ struct drm_plane { */ struct drm_plane_state *state; + struct drm_property *alpha_property; struct drm_property *zpos_property; struct drm_property *rotation_property; |