drm/amd/display: Fixed 4K black issue by refactor update surface.

Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -1482,6 +1482,7 @@ void dc_update_surfaces_for_stream(struct dc *dc,
 		}
 
 		/* not sure if we still need this */
+		if (update_type == UPDATE_TYPE_FULL) {
 			for (j = 0; j < context->res_ctx.pool->pipe_count; j++) {
 				struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[j];
 				struct core_stream *stream = pipe_ctx->stream;
@@ -1495,6 +1496,7 @@ void dc_update_surfaces_for_stream(struct dc *dc,
 					pipe_ctx->scl_data.recout.width -= 2;
 				}
 			}
+		}
 
 		if (dc->debug.disable_color_module)
 			continue;  /* skip below color updates */
@@ -1563,10 +1565,12 @@ void dc_update_surfaces_for_stream(struct dc *dc,
 			}
 
 			if (update_type == UPDATE_TYPE_FULL) {
-				core_dc->hwss.apply_ctx_for_surface(core_dc, surface, context);
-			} else if (updates[i].flip_addr) {
+				/* only apply for top pipe */
+				if (!pipe_ctx->top_pipe)
+					core_dc->hwss.apply_ctx_for_surface(core_dc,
+							 surface, context);
+			} else if (updates[i].flip_addr)
 				core_dc->hwss.update_plane_addr(core_dc, pipe_ctx);
-			}
 
 			if (update_type == UPDATE_TYPE_FAST)
 				continue;