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17:41:49 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 10/19] drm/imx: Add i.MX8qxp Display Controller pixel engine To: kernel test robot , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org Cc: oe-kbuild-all@lists.linux.dev, p.zabel@pengutronix.de, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, glx@linutronix.de, vkoul@kernel.org, kishon@kernel.org, aisheng.dong@nxp.com, agx@sigxcpu.org, francesco@dolcini.it, frank.li@nxp.com, dmitry.baryshkov@linaro.org, u.kleine-koenig@baylibre.com References: <20241202025635.1274467-11-victor.liu@nxp.com> <202412021617.HmlPGJLh-lkp@intel.com> From: Liu Ying Content-Language: en-US In-Reply-To: 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X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 4d27ffd4-a055-4beb-24d3-08dd12b57739 X-MS-Exchange-CrossTenant-AuthSource: AM7PR04MB7046.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Dec 2024 09:41:15.8666 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 0d/2heo32+NNSn4LaSAbBXZ8X9SI0H02+sXkrKtIjQLVjBkOpuiAYI9c4wWggCVYcgaTmswY3woL2E2Xe/6srA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR04MB9378 On 12/02/2024, kernel test robot wrote: > 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 > | 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 Will expand sizeof(fu->name) from 13 to 21. Thanks for the report. > 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 > -- Regards, Liu Ying