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Subject[PATCH 3/3] drm/msm/mdp5: Disable pingpong autorefresh at tearcheck init
Date
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>

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

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
---
drivers/gpu/drm/msm/disp/mdp5/mdp5_cmd_encoder.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_cmd_encoder.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_cmd_encoder.c
index 0bda4257823a..66315b82dd6e 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_cmd_encoder.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_cmd_encoder.c
@@ -59,6 +59,7 @@ 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;
}
--
2.31.1
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