linux-kernel - [PATCH] drm/bridge: imx93-mipi-dsi: Fix a couple of building warnings

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Message-Id: <20231121085644.499520-1-victor.liu@nxp.com>
Date:   Tue, 21 Nov 2023 16:56:44 +0800
From:   Liu Ying <victor.liu@....com>
To:     dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     andrzej.hajda@...el.com, neil.armstrong@...aro.org,
        rfoss@...nel.org, Laurent.pinchart@...asonboard.com,
        jonas@...boo.se, jernej.skrabec@...il.com,
        maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
        tzimmermann@...e.de, airlied@...il.com, daniel@...ll.ch,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com,
        kernel test robot <lkp@...el.com>
Subject: [PATCH] drm/bridge: imx93-mipi-dsi: Fix a couple of building warnings

Fix a couple of building warnings on used uninitialized 'best_m' and
'best_n' local variables by initializing them to zero.  This makes compiler
happy only.  No functional change.

Fixes: ce62f8ea7e3f ("drm/bridge: imx: Add i.MX93 MIPI DSI support")
Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202311151746.f7u7dzbZ-lkp@intel.com/
Signed-off-by: Liu Ying <victor.liu@....com>
---
 drivers/gpu/drm/bridge/imx/imx93-mipi-dsi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/imx/imx93-mipi-dsi.c b/drivers/gpu/drm/bridge/imx/imx93-mipi-dsi.c
index 3ff30ce80c5b..7b3b4f985098 100644
--- a/drivers/gpu/drm/bridge/imx/imx93-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/imx/imx93-mipi-dsi.c
@@ -226,8 +226,8 @@ dphy_pll_get_configure_from_opts(struct imx93_dsi *dsi,
 	unsigned long fout;
 	unsigned long best_fout = 0;
 	unsigned int fvco_div;
-	unsigned int min_n, max_n, n, best_n;
-	unsigned long m, best_m;
+	unsigned int min_n, max_n, n, best_n = 0;
+	unsigned long m, best_m = 0;
 	unsigned long min_delta = ULONG_MAX;
 	unsigned long delta;
 	u64 tmp;
-- 
2.37.1