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Message-ID: <20210515090155.186083-1-libaokun1@huawei.com>
Date:   Sat, 15 May 2021 17:01:55 +0800
From:   Baokun Li <libaokun1@...wei.com>
To:     <bskeggs@...hat.com>, <airlied@...ux.ie>, <daniel@...ll.ch>,
        <lyude@...hat.com>, <airlied@...hat.com>, <jajones@...dia.com>,
        <dri-devel@...ts.freedesktop.org>, <nouveau@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>
CC:     <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>,
        <yangjihong1@...wei.com>, <yukuai3@...wei.com>,
        <libaokun1@...wei.com>
Subject: [PATCH -next] drm/nouveau:disp: Remove set but not used variable 'ret'

From: "libaokun1@...wei.com" <libaokun1@...wei.com>

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/nouveau/dispnv50/disp.c: In function 'nv50_mstm_cleanup':
drivers/gpu/drm/nouveau/dispnv50/disp.c:1389:6: warning:
 variable ‘ret’ set but not used [-Wunused-but-set-variable]

drivers/gpu/drm/nouveau/dispnv50/disp.c: In function 'nv50_mstm_prepare':
drivers/gpu/drm/nouveau/dispnv50/disp.c:1413:6: warning:
 variable ‘ret’ set but not used [-Wunused-but-set-variable]

It never used since introduction.

Signed-off-by: Baokun Li <libaokun1@...wei.com>
---
 drivers/gpu/drm/nouveau/dispnv50/disp.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 1c9c0cdf85db..5ee3f1fc76d7 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -1386,12 +1386,10 @@ nv50_mstm_cleanup(struct nv50_mstm *mstm)
 {
 	struct nouveau_drm *drm = nouveau_drm(mstm->outp->base.base.dev);
 	struct drm_encoder *encoder;
-	int ret;
 
 	NV_ATOMIC(drm, "%s: mstm cleanup\n", mstm->outp->base.base.name);
-	ret = drm_dp_check_act_status(&mstm->mgr);
-
-	ret = drm_dp_update_payload_part2(&mstm->mgr);
+	drm_dp_check_act_status(&mstm->mgr);
+	drm_dp_update_payload_part2(&mstm->mgr);
 
 	drm_for_each_encoder(encoder, mstm->outp->base.base.dev) {
 		if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) {
@@ -1410,10 +1408,9 @@ nv50_mstm_prepare(struct nv50_mstm *mstm)
 {
 	struct nouveau_drm *drm = nouveau_drm(mstm->outp->base.base.dev);
 	struct drm_encoder *encoder;
-	int ret;
 
 	NV_ATOMIC(drm, "%s: mstm prepare\n", mstm->outp->base.base.name);
-	ret = drm_dp_update_payload_part1(&mstm->mgr);
+	drm_dp_update_payload_part1(&mstm->mgr);
 
 	drm_for_each_encoder(encoder, mstm->outp->base.base.dev) {
 		if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) {
-- 
2.25.4

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