Re: [RFC PATCH] drm: allow passing a real encoder object for wb connector

[kernel test robot <lkp@intel.com>]

Hi Abhinav,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on drm/drm-next]
[also build test ERROR on drm-intel/for-linux-next drm-tip/drm-tip drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next v5.16 next-20220121]
[cannot apply to airlied/drm-next]
[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/0day-ci/linux/commits/Abhinav-Kumar/drm-allow-passing-a-real-encoder-object-for-wb-connector/20220121-103231
base:   git://anongit.freedesktop.org/drm/drm drm-next
config: hexagon-randconfig-r005-20220120 (https://download.01.org/0day-ci/archive/20220121/202201211623.L8JFrG3B-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d4baf3b1322b84816aa623d8e8cb45a49cb68b84)
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/0day-ci/linux/commit/ce1d81913d9146f6e753c39f41929266a5885f99
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Abhinav-Kumar/drm-allow-passing-a-real-encoder-object-for-wb-connector/20220121-103231
        git checkout ce1d81913d9146f6e753c39f41929266a5885f99
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/gpu/drm/vkms/

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

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/vkms/vkms_writeback.c:143:38: error: member reference type 'struct drm_encoder *' is a pointer; did you mean to use '->'?
           vkmsdev->output.wb_connector.encoder.possible_crtcs = 1;
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
                                               ->
   1 error generated.


vim +143 drivers/gpu/drm/vkms/vkms_writeback.c

dbd9d80c1b2e03 Rodrigo Siqueira 2020-08-30  138  
dbd9d80c1b2e03 Rodrigo Siqueira 2020-08-30  139  int vkms_enable_writeback_connector(struct vkms_device *vkmsdev)
dbd9d80c1b2e03 Rodrigo Siqueira 2020-08-30  140  {
dbd9d80c1b2e03 Rodrigo Siqueira 2020-08-30  141  	struct drm_writeback_connector *wb = &vkmsdev->output.wb_connector;
dbd9d80c1b2e03 Rodrigo Siqueira 2020-08-30  142  
dbd9d80c1b2e03 Rodrigo Siqueira 2020-08-30 @143  	vkmsdev->output.wb_connector.encoder.possible_crtcs = 1;

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org