Commit 389c6b3e authored by Charlene Liu's avatar Charlene Liu Committed by Alex Deucher
Browse files

drm/amd/display: add NULL pointer check 



[why]
check dmub_Srv exist or not before accessing dmub.

Acked-by: default avatarStylon Wang <stylon.wang@amd.com>
Signed-off-by: default avatarCharlene Liu <charlene.liu@amd.com>
Reviewed-by: default avatarZhan Liu <Zhan.Liu@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3ffb1939

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

+4 −4
Original line number Diff line number Diff line
@@ -276,7 +276,7 @@ static void program_cursor_attributes( 
		}



		dc->hwss.set_cursor_attribute(pipe_ctx);



		if (dc->ctx->dmub_srv)

			dc_send_update_cursor_info_to_dmu(pipe_ctx, i);

		if (dc->hwss.set_cursor_sdr_white_level)

			dc->hwss.set_cursor_sdr_white_level(pipe_ctx);
@@ -396,7 +396,7 @@ static void program_cursor_position( 
		}



		dc->hwss.set_cursor_position(pipe_ctx);



		if (dc->ctx->dmub_srv)

			dc_send_update_cursor_info_to_dmu(pipe_ctx, i);

	}