drm/amd/display: use full surface update when stream is NULL

Signed-off-by: NCharlene Liu <charlene.liu@amd.com>
Acked-by: NHarry Wentland <Harry.Wentland@amd.com>
Reviewed-by: NTony Cheng <Tony.Cheng@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

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

@@ -1155,7 +1155,7 @@ enum surface_update_type dc_check_update_surfaces_for_stream(
 	int i;
 	enum surface_update_type overall_type = UPDATE_TYPE_FAST;
 
-	if (stream_status->surface_count != surface_count)
+	if (stream_status == NULL || stream_status->surface_count != surface_count)
 		return UPDATE_TYPE_FULL;
 
 	if (stream_update)

drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c

@@ -1599,11 +1599,11 @@ enum dc_status dce110_apply_ctx_to_hw(
 	apply_min_clocks(dc, context, &clocks_state, true);
 
 	if (context->dispclk_khz
-			> dc->current_context->dispclk_khz)
+			> dc->current_context->dispclk_khz) {
 		context->res_ctx.pool->display_clock->funcs->set_clock(
 				context->res_ctx.pool->display_clock,
 				context->dispclk_khz * 115 / 100);
-
+	}
 	/* program audio wall clock. use HDMI as clock source if HDMI
 	 * audio active. Otherwise, use DP as clock source
 	 * first, loop to find any HDMI audio, if not, loop find DP audio