linux-kernel - [PATCH v3 10/21] drm/msm/dpu: Clear CTL_FETCH_PIPE_ACTIVE on ctl

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Message-Id: <20250221-b4-sm8750-display-v3-10-3ea95b1630ea@linaro.org>
Date: Fri, 21 Feb 2025 16:24:20 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Rob Clark <robdclark@...il.com>, 
 Abhinav Kumar <quic_abhinavk@...cinc.com>, 
 Dmitry Baryshkov <dmitry.baryshkov@...aro.org>, Sean Paul <sean@...rly.run>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Krishna Manikandan <quic_mkrishn@...cinc.com>, 
 Jonathan Marek <jonathan@...ek.ca>, Kuogee Hsieh <quic_khsieh@...cinc.com>, 
 Neil Armstrong <neil.armstrong@...aro.org>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org, 
 freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, 
 Srini Kandagatla <srinivas.kandagatla@...aro.org>, 
 Rob Clark <robdclark@...omium.org>
Subject: [PATCH v3 10/21] drm/msm/dpu: Clear CTL_FETCH_PIPE_ACTIVE on
 ctl_path reset

Resetting entire CTL path should also include resetting active fetch
pipes.

Fixes: e1a950eec256 ("drm/msm/dpu: add reset_intf_cfg operation for dpu_hw_ctl")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

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

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
index 757411f8ecec2eb7096b323a99894a5d0cc37fd9..1c14770865b4b5f83a95feb35d8ca6b0c87fdb53 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
@@ -644,6 +644,9 @@ static void dpu_hw_ctl_reset_intf_cfg_v1(struct dpu_hw_ctl *ctx,
 
 	dpu_hw_ctl_clear_all_blendstages(ctx);
 
+	if (ctx->ops.set_active_fetch_pipes)
+		ctx->ops.set_active_fetch_pipes(ctx, NULL);
+
 	if (cfg->intf) {
 		intf_active = DPU_REG_READ(c, CTL_INTF_ACTIVE);
 		intf_active &= ~BIT(cfg->intf - INTF_0);

-- 
2.43.0