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From: Alan Liu <HaoPing.Liu@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: stylon.wang@amd.com, Alan Liu <HaoPing.Liu@amd.com>,
	Sunpeng.Li@amd.com, Harry.Wentland@amd.com,
	qingqing.zhuo@amd.com, Martin Leung <Martin.Leung@amd.com>,
	Rodrigo.Siqueira@amd.com, roman.li@amd.com, solomon.chiu@amd.com,
	Aurabindo.Pillai@amd.com, Alvin Lee <Alvin.Lee2@amd.com>,
	wayne.lin@amd.com, Bhawanpreet.Lakha@amd.com,
	agustin.gutierrez@amd.com, pavle.kotarac@amd.com
Subject: [PATCH 01/22] drm/amd/display: Wait for VBLANK during pipe programming
Date: Thu, 3 Nov 2022 00:00:56 +0800	[thread overview]
Message-ID: <20221102160117.506511-2-HaoPing.Liu@amd.com> (raw)
In-Reply-To: <20221102160117.506511-1-HaoPing.Liu@amd.com>

From: Alvin Lee <Alvin.Lee2@amd.com>

[Description]
- Wait for vblank during front end programming
  for global sync to ensure all double buffer
  updates take.
- This prevents underflow in some cases.

Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
---
 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c | 1 +
 1 file changed, 1 insertion(+)

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 f3334f513eb4..b465a83bde6f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -1663,6 +1663,7 @@ static void dcn20_program_pipe(
 				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);
 			pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
 		}
 
-- 
2.25.1


  reply	other threads:[~2022-11-02 16:03 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-02 16:00 [PATCH 00/22] DC Patches Nov 2, 2022 Alan Liu
2022-11-02 16:00 ` Alan Liu [this message]
2022-11-02 16:00 ` [PATCH 02/22] drm/amd/display: Adding HDMI SCDC DEVICE_ID define Alan Liu
2022-11-02 16:00 ` [PATCH 03/22] drm/amd/display: Cursor update refactor: PSR-SU support condition Alan Liu
2022-11-02 16:00 ` [PATCH 04/22] drm/amd/display: Update 709 gamma to 2.222 as stated in the standerd Alan Liu
2022-11-02 16:01 ` [PATCH 05/22] drm/amd/display: Consider dp cable id only when data is non zero Alan Liu
2022-11-02 16:01 ` [PATCH 06/22] drm/amd/display: Waiting for 1 frame to fix the flash issue on PSR1 Alan Liu
2022-11-02 16:01 ` [PATCH 07/22] drm/amd/display: Update SR watermarks for DCN314 Alan Liu
2022-11-02 16:01 ` [PATCH 08/22] drm/amd/display: Allow tuning DCN314 bounding box Alan Liu
2022-11-02 16:01 ` [PATCH 09/22] drm/amd/display: Zeromem mypipe heap struct before using it Alan Liu
2022-11-02 16:01 ` [PATCH 10/22] drm/amd/display: Use min transition for SubVP into MPO Alan Liu
2022-11-02 16:01 ` [PATCH 11/22] drm/amd/display: Disable phantom OTG after enable for plane disable Alan Liu
2022-11-10 15:39   ` Nathan Chancellor
2022-11-10 17:35     ` Liu, HaoPing (Alan)
2022-11-02 16:01 ` [PATCH 12/22] drm/amd/display: Disable DRR actions during state commit Alan Liu
2022-11-02 16:01 ` [PATCH 13/22] drm/amd/display: Fix fallback issues for DP LL 1.4a tests Alan Liu
2022-11-02 16:01 ` [PATCH 14/22] drm/amd/display: Fix FCLK deviation and tool compile issues Alan Liu
2022-11-02 16:01 ` [PATCH 15/22] drm/amd/display: Fix reg timeout in enc314_enable_fifo Alan Liu
2022-11-02 16:01 ` [PATCH 16/22] drm/amd/display: Fix gpio port mapping issue Alan Liu
2022-11-02 16:01 ` [PATCH 17/22] drm/amd/display: Only update link settings after successful MST link train Alan Liu
2022-11-02 16:01 ` [PATCH 18/22] drm/amd/display: Enforce minimum prefetch time for low memclk on DCN32 Alan Liu
2022-11-02 16:01 ` [PATCH 19/22] drm/amd/display: Set correct EOTF and Gamut flag in VRR info Alan Liu
2022-11-02 16:01 ` [PATCH 20/22] drm/amd/display: Add margin for max vblank time for SubVP + DRR Alan Liu
2022-11-02 16:01 ` [PATCH 21/22] drm/amd/display: Populate DP2.0 output type for DML pipe Alan Liu
2022-11-02 16:01 ` [PATCH 22/22] drm/amd/display: 3.2.211 Alan Liu

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