[Nouveau] [PATCH 1/4] drm/atomic: Save flip flags in drm_plane_state

[Andrey Grodzovsky]

Allows using atomic flip helpers for drivers
using ASYNC flip.
Remove ASYNC_FLIP restriction in helpers and
caches the page flip flags in drm_plane_state
to be used in the low level drivers.

Signed-off-by: Andrey Grodzovsky <Andrey.Grodzovsky at amd.com>
---
 drivers/gpu/drm/drm_atomic_helper.c | 10 +++-------
 include/drm/drm_plane.h             |  8 ++++++++
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index a4e5477..f83dc43 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2737,7 +2737,8 @@ static int page_flip_common(
 				struct drm_atomic_state *state,
 				struct drm_crtc *crtc,
 				struct drm_framebuffer *fb,
-				struct drm_pending_vblank_event *event)
+				struct drm_pending_vblank_event *event,
+				uint32_t flags)
 {
 	struct drm_plane *plane = crtc->primary;
 	struct drm_plane_state *plane_state;
@@ -2754,6 +2755,7 @@ static int page_flip_common(
 	if (IS_ERR(plane_state))
 		return PTR_ERR(plane_state);
 
+	plane_state->pflip_flags = flags;
 
 	ret = drm_atomic_set_crtc_for_plane(plane_state, crtc);
 	if (ret != 0)
@@ -2800,9 +2802,6 @@ int drm_atomic_helper_page_flip(struct drm_crtc *crtc,
 	struct drm_atomic_state *state;
 	int ret = 0;
 
-	if (flags & DRM_MODE_PAGE_FLIP_ASYNC)
-		return -EINVAL;
-
 	state = drm_atomic_state_alloc(plane->dev);
 	if (!state)
 		return -ENOMEM;
@@ -2865,9 +2864,6 @@ int drm_atomic_helper_page_flip_target(
 	struct drm_crtc_state *crtc_state;
 	int ret = 0;
 
-	if (flags & DRM_MODE_PAGE_FLIP_ASYNC)
-		return -EINVAL;
-
 	state = drm_atomic_state_alloc(plane->dev);
 	if (!state)
 		return -ENOMEM;
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index db3bbde..86d8ffc 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -122,6 +122,14 @@ struct drm_plane_state {
 	 */
 	bool visible;
 
+
+	/**
+	 * @pflip_flags:
+	 *
+	 * Flip related config options
+	 */
+	u32 pflip_flags;
+
 	struct drm_atomic_state *state;
 };
 
-- 
1.9.1