drm/atomic: Add target_vblank support in atomic helpers (v2)
Allows usage of the new page_flip_target hook for drivers implementing
the atomic path.
Provides default atomic helper for the new hook.
v2:
Update code sharing logic between exsiting and the new flip hooks.
Improve kerneldoc.
Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1483735180-4173-1-git-send-email-Andrey.Grodzovsky@amd.com
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 17c9f52..06c943d 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -149,6 +149,15 @@ struct drm_crtc_state {
struct drm_property_blob *gamma_lut;
/**
+ * @target_vblank:
+ *
+ * Target vertical blank period when a page flip
+ * should take effect.
+ */
+
+ u32 target_vblank;
+
+ /**
* @event:
*
* Optional pointer to a DRM event to signal upon completion of the