[PATCH v3 5/8] drm/msm/dpu: don't select single flush for active CTL blocks

Dmitry Baryshkov lumag at kernel.org
Fri Mar 7 06:24:53 UTC 2025


From: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>

In case of ACTIVE CTLs, a single CTL is being used for flushing all INTF
blocks. Don't skip programming the CTL on those targets.

Tested-by: Neil Armstrong <neil.armstrong at linaro.org> # on SM8550-QRD
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
index 232055473ba55998b79dd2e8c752c129bbffbff4..8a618841e3ea89acfe4a42d48319a6c54a1b3495 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
@@ -374,7 +374,8 @@ static void dpu_encoder_phys_vid_underrun_irq(void *arg)
 static bool dpu_encoder_phys_vid_needs_single_flush(
 		struct dpu_encoder_phys *phys_enc)
 {
-	return phys_enc->split_role != ENC_ROLE_SOLO;
+	return !(phys_enc->hw_ctl->caps->features & BIT(DPU_CTL_ACTIVE_CFG)) &&
+		phys_enc->split_role != ENC_ROLE_SOLO;
 }
 
 static void dpu_encoder_phys_vid_atomic_mode_set(

-- 
2.39.5



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