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Message-ID: <202412021617.HmlPGJLh-lkp@intel.com>
Date: Mon, 2 Dec 2024 16:54:11 +0800
From: kernel test robot <lkp@...el.com>
To: Liu Ying <victor.liu@....com>, dri-devel@...ts.freedesktop.org,
devicetree@...r.kernel.org, imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-phy@...ts.infradead.org
Cc: oe-kbuild-all@...ts.linux.dev, p.zabel@...gutronix.de,
maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
tzimmermann@...e.de, airlied@...il.com, simona@...ll.ch,
robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
festevam@...il.com, glx@...utronix.de, vkoul@...nel.org,
kishon@...nel.org, aisheng.dong@....com, agx@...xcpu.org,
francesco@...cini.it, frank.li@....com, dmitry.baryshkov@...aro.org,
u.kleine-koenig@...libre.com
Subject: Re: [PATCH v5 10/19] drm/imx: Add i.MX8qxp Display Controller pixel
engine
Hi Liu,
kernel test robot noticed the following build warnings:
[auto build test WARNING on shawnguo/for-next]
[also build test WARNING on linus/master v6.13-rc1 next-20241128]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Liu-Ying/dt-bindings-display-imx-Add-i-MX8qxp-Display-Controller-processing-units/20241202-110331
base: https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git for-next
patch link: https://lore.kernel.org/r/20241202025635.1274467-11-victor.liu%40nxp.com
patch subject: [PATCH v5 10/19] drm/imx: Add i.MX8qxp Display Controller pixel engine
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20241202/202412021617.HmlPGJLh-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241202/202412021617.HmlPGJLh-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412021617.HmlPGJLh-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/gpu/drm/imx/dc/dc-fl.c: In function 'dc_fl_bind':
>> drivers/gpu/drm/imx/dc/dc-fl.c:136:57: warning: '%d' directive output may be truncated writing between 1 and 10 bytes into a region of size 3 [-Wformat-truncation=]
136 | snprintf(fu->name, sizeof(fu->name), "FetchLayer%d", fl->id);
| ^~
drivers/gpu/drm/imx/dc/dc-fl.c:136:46: note: directive argument in the range [0, 2147483647]
136 | snprintf(fu->name, sizeof(fu->name), "FetchLayer%d", fl->id);
| ^~~~~~~~~~~~~~
drivers/gpu/drm/imx/dc/dc-fl.c:136:9: note: 'snprintf' output between 12 and 21 bytes into a destination of size 13
136 | snprintf(fu->name, sizeof(fu->name), "FetchLayer%d", fl->id);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
drivers/gpu/drm/imx/dc/dc-fw.c: In function 'dc_fw_bind':
>> drivers/gpu/drm/imx/dc/dc-fw.c:175:56: warning: '%u' directive output may be truncated writing between 1 and 10 bytes into a region of size 4 [-Wformat-truncation=]
175 | snprintf(fu->name, sizeof(fu->name), "FetchWarp%u", fw->id);
| ^~
drivers/gpu/drm/imx/dc/dc-fw.c:175:46: note: directive argument in the range [0, 2147483647]
175 | snprintf(fu->name, sizeof(fu->name), "FetchWarp%u", fw->id);
| ^~~~~~~~~~~~~
drivers/gpu/drm/imx/dc/dc-fw.c:175:9: note: 'snprintf' output between 11 and 20 bytes into a destination of size 13
175 | snprintf(fu->name, sizeof(fu->name), "FetchWarp%u", fw->id);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +136 drivers/gpu/drm/imx/dc/dc-fl.c
92
93 static int dc_fl_bind(struct device *dev, struct device *master, void *data)
94 {
95 struct platform_device *pdev = to_platform_device(dev);
96 struct dc_drm_device *dc_drm = data;
97 struct dc_pe *pe = dc_drm->pe;
98 void __iomem *base_cfg;
99 struct dc_fl *fl;
100 struct dc_fu *fu;
101 int i;
102
103 fl = devm_kzalloc(dev, sizeof(*fl), GFP_KERNEL);
104 if (!fl)
105 return -ENOMEM;
106
107 fu = &fl->fu;
108
109 base_cfg = devm_platform_ioremap_resource_byname(pdev, "cfg");
110 if (IS_ERR(base_cfg))
111 return PTR_ERR(base_cfg);
112
113 fu->reg_cfg = devm_regmap_init_mmio(dev, base_cfg,
114 &dc_fl_cfg_regmap_config);
115 if (IS_ERR(fu->reg_cfg))
116 return PTR_ERR(fu->reg_cfg);
117
118 fl->id = of_alias_get_id(dev->of_node, "dc0-fetchlayer");
119 if (fl->id < 0) {
120 dev_err(dev, "failed to get alias id: %d\n", fl->id);
121 return fl->id;
122 }
123
124 fu->link_id = LINK_ID_FETCHLAYER0;
125 fu->id = DC_FETCHUNIT_FL0;
126 for (i = 0; i < DC_FETCHUNIT_FRAC_NUM; i++) {
127 fu->reg_baseaddr[i] = BASEADDRESS(i);
128 fu->reg_sourcebufferattributes[i] = SOURCEBUFFERATTRIBUTES(i);
129 fu->reg_sourcebufferdimension[i] = SOURCEBUFFERDIMENSION(i);
130 fu->reg_layeroffset[i] = LAYEROFFSET(i);
131 fu->reg_clipwindowoffset[i] = CLIPWINDOWOFFSET(i);
132 fu->reg_clipwindowdimensions[i] = CLIPWINDOWDIMENSIONS(i);
133 fu->reg_constantcolor[i] = CONSTANTCOLOR(i);
134 fu->reg_layerproperty[i] = LAYERPROPERTY(i);
135 }
> 136 snprintf(fu->name, sizeof(fu->name), "FetchLayer%d", fl->id);
137
138 dc_fl_set_ops(fu);
139
140 pe->fu_disp[fu->id] = fu;
141
142 return 0;
143 }
144
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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