drm/amdgpu/dc: fix DCN3.1 FP handling

Missing proper DC_FP_START/DC_FP_END.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2021-06-04 14:00:07 -04:00
commit 3e88cbb0d0