Hi Lyude, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on next-20201204] [cannot apply to linus/master drm/drm-next v5.10-rc6] [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/Lyude-Paul/drm-i915-Add-support-for-Intel-s-eDP-backlight-controls/20201205-063902 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: arm-defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 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/18a741e6e1a9f39966c71ef577ef96600891d7ac git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Lyude-Paul/drm-i915-Add-support-for-Intel-s-eDP-backlight-controls/20201205-063902 git checkout 18a741e6e1a9f39966c71ef577ef96600891d7ac # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 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/msm/dp/dp_ctrl.c: In function 'dp_ctrl_use_fixed_nvid': >> drivers/gpu/drm/msm/dp/dp_ctrl.c:1421:16: error: implicit declaration of function 'drm_dp_get_edid_quirks'; did you mean 'drm_do_get_edid'? [-Werror=implicit-function-declaration] 1421 | edid_quirks = drm_dp_get_edid_quirks(ctrl->panel->edid); | ^~~~~~~~~~~~~~~~~~~~~~ | drm_do_get_edid >> drivers/gpu/drm/msm/dp/dp_ctrl.c:1427:11: error: too many arguments to function 'drm_dp_has_quirk' 1427 | return (drm_dp_has_quirk(&ctrl->panel->desc, edid_quirks, | ^~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/msm/dp/dp_ctrl.c:14: include/drm/drm_dp_helper.h:1895:1: note: declared here 1895 | drm_dp_has_quirk(const struct drm_dp_desc *desc, enum drm_dp_quirk quirk) | ^~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +1421 drivers/gpu/drm/msm/dp/dp_ctrl.c c943b4948b5848 Chandan Uddaraju 2020-08-27 1415 c943b4948b5848 Chandan Uddaraju 2020-08-27 1416 static bool dp_ctrl_use_fixed_nvid(struct dp_ctrl_private *ctrl) c943b4948b5848 Chandan Uddaraju 2020-08-27 1417 { c943b4948b5848 Chandan Uddaraju 2020-08-27 1418 u8 *dpcd = ctrl->panel->dpcd; c943b4948b5848 Chandan Uddaraju 2020-08-27 1419 u32 edid_quirks = 0; c943b4948b5848 Chandan Uddaraju 2020-08-27 1420 c943b4948b5848 Chandan Uddaraju 2020-08-27 @1421 edid_quirks = drm_dp_get_edid_quirks(ctrl->panel->edid); c943b4948b5848 Chandan Uddaraju 2020-08-27 1422 /* c943b4948b5848 Chandan Uddaraju 2020-08-27 1423 * For better interop experience, used a fixed NVID=0x8000 c943b4948b5848 Chandan Uddaraju 2020-08-27 1424 * whenever connected to a VGA dongle downstream. c943b4948b5848 Chandan Uddaraju 2020-08-27 1425 */ c943b4948b5848 Chandan Uddaraju 2020-08-27 1426 if (drm_dp_is_branch(dpcd)) c943b4948b5848 Chandan Uddaraju 2020-08-27 @1427 return (drm_dp_has_quirk(&ctrl->panel->desc, edid_quirks, c943b4948b5848 Chandan Uddaraju 2020-08-27 1428 DP_DPCD_QUIRK_CONSTANT_N)); c943b4948b5848 Chandan Uddaraju 2020-08-27 1429 c943b4948b5848 Chandan Uddaraju 2020-08-27 1430 return false; c943b4948b5848 Chandan Uddaraju 2020-08-27 1431 } c943b4948b5848 Chandan Uddaraju 2020-08-27 1432 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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