From: Zhikai Zhai <zhikai.zhai@xxxxxxx>
[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: Alvin Lee <Alvin.Lee2@xxxxxxx>
Acked-by: Qingqing Zhuo <qingqing.zhuo@xxxxxxx>
Signed-off-by: Zhikai Zhai <zhikai.zhai@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index 53669f832ba5..69ea1f4ea749 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -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);
--
2.34.1
