linux-kernel - [PATCH] drm/msm/dpu: Remove dead-code in dpu_encoder_helper_reset

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Message-ID: <8e3b2fbbf5440aa219feb667f5423c7479eb2656.1760040536.git.christophe.jaillet@wanadoo.fr>
Date: Thu,  9 Oct 2025 22:09:32 +0200
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: Rob Clark <robin.clark@....qualcomm.com>,
	Dmitry Baryshkov <lumag@...nel.org>,
	Abhinav Kumar <abhinav.kumar@...ux.dev>,
	Jessica Zhang <jessica.zhang@....qualcomm.com>,
	Sean Paul <sean@...rly.run>,
	Marijn Suijten <marijn.suijten@...ainline.org>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>
Cc: linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	linux-arm-msm@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	freedreno@...ts.freedesktop.org
Subject: [PATCH] drm/msm/dpu: Remove dead-code in dpu_encoder_helper_reset_mixers()

'mixer' is only zeroed and is not use. Remove it.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 258edaa18fc0..94de83e125f1 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -2171,15 +2171,12 @@ void dpu_encoder_kickoff(struct drm_encoder *drm_enc)
 
 static void dpu_encoder_helper_reset_mixers(struct dpu_encoder_phys *phys_enc)
 {
-	struct dpu_hw_mixer_cfg mixer;
 	int i, num_lm;
 	struct dpu_global_state *global_state;
 	struct dpu_hw_blk *hw_lm[2];
 	struct dpu_hw_mixer *hw_mixer[2];
 	struct dpu_hw_ctl *ctl = phys_enc->hw_ctl;
 
-	memset(&mixer, 0, sizeof(mixer));
-
 	/* reset all mixers for this encoder */
 	if (ctl->ops.clear_all_blendstages)
 		ctl->ops.clear_all_blendstages(ctl);
-- 
2.51.0