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drm/amd/display: skip wait vblank

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[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@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Zhikai Zhai <zhikai.zhai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Zhikai Zhai 2023-03-02 18:04:12 +08:00 committed by Alex Deucher
parent c964b86e32
commit ac84304d68
1 changed files with 1 additions and 3 deletions
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4
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
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@ -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);