Commit 33b2b91e authored by AngeloGioacchino Del Regno's avatar AngeloGioacchino Del Regno Committed by Rob Clark
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drm/msm/mdp5: Disable pingpong autorefresh at tearcheck init 



If pp autorefresh is up (from bootloader splash), we will surely get
vblank and pp timeouts.  Ensure it is turned off.

Signed-off-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: default avatarMarijn Suijten <marijn.suijten@somainline.org>
Link: https://lore.kernel.org/r/20210406214726.131534-4-marijn.suijten@somainline.org


Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent 377569f8

drivers/gpu/drm/msm/disp/mdp5/mdp5_cmd_encoder.c

+1 −0
Original line number Diff line number Diff line
@@ -67,6 +67,7 @@ static int pingpong_tearcheck_setup(struct drm_encoder *encoder, 
	mdp5_write(mdp5_kms, REG_MDP5_PP_SYNC_THRESH(pp_id),

			MDP5_PP_SYNC_THRESH_START(4) |

			MDP5_PP_SYNC_THRESH_CONTINUE(4));

	mdp5_write(mdp5_kms, REG_MDP5_PP_AUTOREFRESH_CONFIG(pp_id), 0x0);



	return 0;

}