[PATCH v11 2/2] drm/amdgpu: Enable async flip on overlay planes

[André Almeida]

amdgpu can handle async flips on overlay planes, so allow it for atomic
async checks.

Signed-off-by: André Almeida <andrealm...@igalia.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
index 
495e3cd70426db0182cb2811bc6d5d09f52f8a4b..2792d393157beec12d6e96843c43158c03f16027
 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_plane.c
@@ -1260,22 +1260,25 @@ static int amdgpu_dm_plane_atomic_check(struct 
drm_plane *plane,
 }
 
 static int amdgpu_dm_plane_atomic_async_check(struct drm_plane *plane,
-                                             struct drm_atomic_state *state)
+                                             struct drm_atomic_state *state, 
bool flip)
 {
        struct drm_crtc_state *new_crtc_state;
        struct drm_plane_state *new_plane_state;
        struct dm_crtc_state *dm_new_crtc_state;
 
-       /* Only support async updates on cursor planes. */
-       if (plane->type != DRM_PLANE_TYPE_CURSOR)
+       if (flip) {
+               if (plane->type != DRM_PLANE_TYPE_OVERLAY)
+                       return -EINVAL;
+       } else if (plane->type != DRM_PLANE_TYPE_CURSOR)
                return -EINVAL;
 
        new_plane_state = drm_atomic_get_new_plane_state(state, plane);
        new_crtc_state = drm_atomic_get_new_crtc_state(state, 
new_plane_state->crtc);
        dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
        /* Reject overlay cursors for now*/
-       if (dm_new_crtc_state->cursor_mode == DM_CURSOR_OVERLAY_MODE)
+       if (!flip && dm_new_crtc_state->cursor_mode == DM_CURSOR_OVERLAY_MODE) {
                return -EINVAL;
+       }
 
        return 0;
 }

-- 
2.47.1