[PATCH v5 08/24] drm/msm/dpu: Clear CTL_FETCH_PIPE_ACTIVE on mixer reset

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Wed Apr 30 13:00:38 UTC 2025


Resetting mixers should also include resetting active fetch pipes.

Fixes: ae4d721ce100 ("drm/msm/dpu: add an API to reset the encoder related hw blocks")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
---

Changes in v3:
1. New patch, split from previous big DPU v12.0.
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 862e9e6bf0a5522d3877cbb4b9dfa385d6ab64e5..3d4000611656f2d3173aac27891a51402f68ddf3 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -2190,6 +2190,9 @@ static void dpu_encoder_helper_reset_mixers(struct dpu_encoder_phys *phys_enc)
 		/* clear all blendstages */
 		if (ctl->ops.setup_blendstage)
 			ctl->ops.setup_blendstage(ctl, hw_mixer[i]->idx, NULL);
+
+		if (ctl->ops.set_active_fetch_pipes)
+			ctl->ops.set_active_fetch_pipes(ctl, NULL);
 	}
 }
 

-- 
2.45.2



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