drm/amd/display: scaling changes should also be a full update

Signed-off-by: NAric Cyr <aric.cyr@amd.com>
Reviewed-by: NJun Lei <Jun.Lei@amd.com>
Acked-by: NRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc.c

@@ -1577,7 +1577,7 @@ static enum surface_update_type get_scaling_info_update_type(
 
 		update_flags->bits.scaling_change = 1;
 		if (u->scaling_info->src_rect.width > u->surface->src_rect.width
-				&& u->scaling_info->src_rect.height > u->surface->src_rect.height)
+				|| u->scaling_info->src_rect.height > u->surface->src_rect.height)
 			/* Making src rect bigger requires a bandwidth change */
 			update_flags->bits.clock_change = 1;
 	}
@@ -1591,11 +1591,11 @@ static enum surface_update_type get_scaling_info_update_type(
 		update_flags->bits.position_change = 1;
 
 	if (update_flags->bits.clock_change
-			|| update_flags->bits.bandwidth_change)
+			|| update_flags->bits.bandwidth_change
+			|| update_flags->bits.scaling_change)
 		return UPDATE_TYPE_FULL;
 
-	if (update_flags->bits.scaling_change
-			|| update_flags->bits.position_change)
+	if (update_flags->bits.position_change)
 		return UPDATE_TYPE_MED;
 
 	return UPDATE_TYPE_FAST;