drm/amd/display: FVA timing adjustment

[why]
need to add timing adjustment for fva.

[how]
add hook to optc and hwseq.
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c

@@ -165,6 +165,7 @@ void optc1_program_timing(
 	optc1->vupdate_width = vupdate_width;
 	patched_crtc_timing = *dc_crtc_timing;
 	apply_front_porch_workaround(&patched_crtc_timing);
+	optc1->orginal_patched_timing = patched_crtc_timing;
 
 	/* Load horizontal timing */