Re: [PATCH v2 3/3] drm: Allow simpledrm to setup its emulated FB as firmware provided

From: kernel test robot
Date: Mon May 02 2022 - 17:41:22 EST


Hi Javier,

I love your patch! Yet something to improve:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on shawnguo/for-next linus/master linux/master v5.18-rc5 next-20220502]
[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]

url: https://github.com/intel-lab-lkp/linux/commits/Javier-Martinez-Canillas/drm-Allow-simpledrm-to-setup-its-emulated-FB-as-firmware-provided/20220502-234145
base: git://anongit.freedesktop.org/drm/drm drm-next
config: hexagon-randconfig-r045-20220501 (https://download.01.org/0day-ci/archive/20220503/202205030522.Y2Nq4tz7-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 09325d36061e42b495d1f4c7e933e260eac260ed)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/28ef46724e385165777a21d9f661188fa2577a1e
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Javier-Martinez-Canillas/drm-Allow-simpledrm-to-setup-its-emulated-FB-as-firmware-provided/20220502-234145
git checkout 28ef46724e385165777a21d9f661188fa2577a1e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/gpu/drm/tiny/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/tiny/simpledrm.c:904:31: error: call to undeclared function 'DRM_FB_SET_OPTION'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
drm_fbdev_generic_setup(dev, DRM_FB_SET_OPTION(DRM_FB_FW, 1));
^
>> drivers/gpu/drm/tiny/simpledrm.c:904:49: error: use of undeclared identifier 'DRM_FB_FW'
drm_fbdev_generic_setup(dev, DRM_FB_SET_OPTION(DRM_FB_FW, 1));
^
2 errors generated.


vim +/DRM_FB_SET_OPTION +904 drivers/gpu/drm/tiny/simpledrm.c

884
885 /*
886 * Platform driver
887 */
888
889 static int simpledrm_probe(struct platform_device *pdev)
890 {
891 struct simpledrm_device *sdev;
892 struct drm_device *dev;
893 int ret;
894
895 sdev = simpledrm_device_create(&simpledrm_driver, pdev);
896 if (IS_ERR(sdev))
897 return PTR_ERR(sdev);
898 dev = &sdev->dev;
899
900 ret = drm_dev_register(dev, 0);
901 if (ret)
902 return ret;
903
> 904 drm_fbdev_generic_setup(dev, DRM_FB_SET_OPTION(DRM_FB_FW, 1));
905
906 return 0;
907 }
908

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https://01.org/lkp