linux-kernel - [PATCH] drm/msm/dpu: remove set but not used 'topology'

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Date:   Sun, 26 Apr 2020 17:43:25 +0800
From:   Jason Yan <yanaijie@...wei.com>
To:     <robdclark@...il.com>, <sean@...rly.run>, <airlied@...ux.ie>,
        <daniel@...ll.ch>, <ddavenport@...omium.org>,
        <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
CC:     Jason Yan <yanaijie@...wei.com>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH] drm/msm/dpu: remove set but not used 'topology'

Fix the following gcc warning:

drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c:958:30: warning: variable
‘topology’ set but not used [-Wunused-but-set-variable]
  struct msm_display_topology topology;
                              ^~~~~~~~

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Jason Yan <yanaijie@...wei.com>
---
 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 a1b79ee2bd9d..9d577ce9d58d 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -955,7 +955,6 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 	struct drm_crtc *drm_crtc;
 	struct dpu_crtc_state *cstate;
 	struct dpu_global_state *global_state;
-	struct msm_display_topology topology;
 	struct dpu_hw_blk *hw_pp[MAX_CHANNELS_PER_ENC];
 	struct dpu_hw_blk *hw_ctl[MAX_CHANNELS_PER_ENC];
 	struct dpu_hw_blk *hw_lm[MAX_CHANNELS_PER_ENC];
@@ -998,8 +997,6 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 		if (drm_crtc->state->encoder_mask & drm_encoder_mask(drm_enc))
 			break;
 
-	topology = dpu_encoder_get_topology(dpu_enc, dpu_kms, adj_mode);
-
 	/* Query resource that have been reserved in atomic check step. */
 	num_pp = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state,
 		drm_enc->base.id, DPU_HW_BLK_PINGPONG, hw_pp,
-- 
2.21.1