Hi Daniel, I love your patch! Yet something to improve: [auto build test ERROR on linus/master] [cannot apply to v5.4-rc4 next-20191022] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Daniel-Vetter/drm-simple-kms-Standardize-arguments-for-callbacks/20191023-073731 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3b7c59a1950c75f2c0152e5a9cd77675b09233d6 config: x86_64-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-14) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/gpu//drm/xen/xen_drm_front_kms.c:289:16: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] .mode_valid = display_mode_valid, ^~~~~~~~~~~~~~~~~~ drivers/gpu//drm/xen/xen_drm_front_kms.c:289:16: note: (near initialization for 'display_funcs.mode_valid') cc1: some warnings being treated as errors vim +289 drivers/gpu//drm/xen/xen_drm_front_kms.c c575b7eeb89f94 Oleksandr Andrushchenko 2018-04-03 287 c575b7eeb89f94 Oleksandr Andrushchenko 2018-04-03 288 static const struct drm_simple_display_pipe_funcs display_funcs = { c575b7eeb89f94 Oleksandr Andrushchenko 2018-04-03 @289 .mode_valid = display_mode_valid, c575b7eeb89f94 Oleksandr Andrushchenko 2018-04-03 290 .enable = display_enable, c575b7eeb89f94 Oleksandr Andrushchenko 2018-04-03 291 .disable = display_disable, dd388ee1ecbb8c Daniel Vetter 2018-04-09 292 .prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb, c575b7eeb89f94 Oleksandr Andrushchenko 2018-04-03 293 .update = display_update, c575b7eeb89f94 Oleksandr Andrushchenko 2018-04-03 294 }; c575b7eeb89f94 Oleksandr Andrushchenko 2018-04-03 295 :::::: The code at line 289 was first introduced by commit :::::: c575b7eeb89f94356997abd62d6d5a0590e259b7 drm/xen-front: Add support for Xen PV display frontend :::::: TO: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx> :::::: CC: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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