Commit ac84304d authored by Zhikai Zhai's avatar Zhikai Zhai Committed by Alex Deucher
Browse files

drm/amd/display: skip wait vblank 



[WHY]
There is no need to wait vblank in the vupdate locked
region at a full type update

[HOW]
skip wait vblank when global sync change

Reviewed-by: default avatarAlvin Lee <Alvin.Lee2@amd.com>
Acked-by: default avatarQingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: default avatarZhikai Zhai <zhikai.zhai@amd.com>
Tested-by: default avatarDaniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c964b86e

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c

+1 −3
Original line number Diff line number Diff line
@@ -1720,10 +1720,8 @@ static void dcn20_program_pipe( 
				pipe_ctx->pipe_dlg_param.vupdate_offset,

				pipe_ctx->pipe_dlg_param.vupdate_width);



		if (pipe_ctx->stream->mall_stream_config.type != SUBVP_PHANTOM) {

			pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VBLANK);

		if (pipe_ctx->stream->mall_stream_config.type != SUBVP_PHANTOM)

			pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);

		}



		pipe_ctx->stream_res.tg->funcs->set_vtg_params(

				pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing, true);