linux-kernel - [PATCH 5.10 084/105] drm/imx/dcss: fix unused but set variable warnings

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Date:   Wed, 27 Jul 2022 18:11:10 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Wang ShaoBo <bobo.shaobowang@...wei.com>,
        Laurentiu Palcu <laurentiu.palcu@....nxp.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 084/105] drm/imx/dcss: fix unused but set variable warnings

From: Wang ShaoBo <bobo.shaobowang@...wei.com>

[ Upstream commit 523be44c334bc4e4c014032738dc277b8909d009 ]

Fix unused but set variable warning building with `make W=1`:

drivers/gpu/drm/imx/dcss/dcss-plane.c:270:6: warning:
 variable ‘pixel_format’ set but not used [-Wunused-but-set-variable]
  u32 pixel_format;
      ^~~~~~~~~~~~

Fixes: 9021c317b770 ("drm/imx: Add initial support for DCSS on iMX8MQ")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wang ShaoBo <bobo.shaobowang@...wei.com>
Reviewed-by: Laurentiu Palcu <laurentiu.palcu@....nxp.com>
Signed-off-by: Lucas Stach <l.stach@...gutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200911014414.4663-1-bobo.shaobowang@huawei.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/imx/dcss/dcss-plane.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/imx/dcss/dcss-plane.c b/drivers/gpu/drm/imx/dcss/dcss-plane.c
index f54087ac44d3..46a188dd02ad 100644
--- a/drivers/gpu/drm/imx/dcss/dcss-plane.c
+++ b/drivers/gpu/drm/imx/dcss/dcss-plane.c
@@ -268,7 +268,6 @@ static void dcss_plane_atomic_update(struct drm_plane *plane,
 	struct dcss_plane *dcss_plane = to_dcss_plane(plane);
 	struct dcss_dev *dcss = plane->dev->dev_private;
 	struct drm_framebuffer *fb = state->fb;
-	u32 pixel_format;
 	struct drm_crtc_state *crtc_state;
 	bool modifiers_present;
 	u32 src_w, src_h, dst_w, dst_h;
@@ -279,7 +278,6 @@ static void dcss_plane_atomic_update(struct drm_plane *plane,
 	if (!fb || !state->crtc || !state->visible)
 		return;
 
-	pixel_format = state->fb->format->format;
 	crtc_state = state->crtc->state;
 	modifiers_present = !!(fb->flags & DRM_MODE_FB_MODIFIERS);
 
-- 
2.35.1