drm/amdgpu: Provide page_flip_target hook

Now we can program a flip during a vertical blank period, if it's the
one targeted by the flip (or a later one). This allows simplifying
amdgpu_flip_work_func considerably.

agd: update dce_virtual.c as well.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 3d128c16334d..c54f5b962b80 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -730,10 +730,11 @@ void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
  */
 
 struct amdgpu_flip_work {
-        struct work_struct              flip_work;
+        struct delayed_work             flip_work;
         struct work_struct              unpin_work;
         struct amdgpu_device            *adev;
         int                             crtc_id;
+        u32                             target_vblank;
         uint64_t                        base;
         struct drm_pending_vblank_event *event;
         struct amdgpu_bo                *old_rbo;