drm/amdgpu: Refactor flip into prepare submit and submit. (v3)
Make pflip atomic friendly. Split the fuinction into whatever can fail part and the actual flip submit part. Call the pre-submit function before atomic states are swapped so in case of error we can fail the IOCTL. v2: Update due to target_vblank code change. Fix identetation. Change return type for amdgpu_crtc_submit_flip to void v3: agd: fix formatting Signed-off-by:Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Reviewed-by Harry Wentland <harry.wentland@amd.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com>
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