drm/amd/display: remove CRTC_3D_STRUCTURE_V_UPDATE_MODE bit programming.

[Description]
This is based on HW programming guide update.
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -87,9 +87,8 @@ static void optc1_disable_stereo(struct timing_generator *optc)
 	REG_SET(OTG_STEREO_CONTROL, 0,
 		OTG_STEREO_EN, 0);
 
-	REG_SET_3(OTG_3D_STRUCTURE_CONTROL, 0,
+	REG_SET_2(OTG_3D_STRUCTURE_CONTROL, 0,
 		OTG_3D_STRUCTURE_EN, 0,
-		OTG_3D_STRUCTURE_V_UPDATE_MODE, 0,
 		OTG_3D_STRUCTURE_STEREO_SEL_OVR, 0);
 }
 
@@ -1154,9 +1153,8 @@ static void optc1_enable_stereo(struct timing_generator *optc,
 				OTG_DISABLE_STEREOSYNC_OUTPUT_FOR_DP, 1);
 
 		if (flags->PROGRAM_STEREO)
-			REG_UPDATE_3(OTG_3D_STRUCTURE_CONTROL,
+			REG_UPDATE_2(OTG_3D_STRUCTURE_CONTROL,
 				OTG_3D_STRUCTURE_EN, flags->FRAME_PACKED,
-				OTG_3D_STRUCTURE_V_UPDATE_MODE, flags->FRAME_PACKED,
 				OTG_3D_STRUCTURE_STEREO_SEL_OVR, flags->FRAME_PACKED);
 
 	}