On Sun, Jun 16, 2024 at 11:08 AM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: > On Sat, Jun 15, 2024 at 12:55 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > kernel test robot noticed the following build errors: > > > > [auto build test ERROR on drm-misc/drm-misc-next] > > [cannot apply to linus/master v6.10-rc3 next-20240613] > > [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/Geert-Uytterhoeven/drm-panic-Fix-uninitialized-drm_scanout_buffer-set_pixel-crash/20240614-032053 > > base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next > > patch link: https://lore.kernel.org/r/3121082eb4beb461773ebb6f656ed9b4286967ee.1718305355.git.geert%2Brenesas%40glider.be > > patch subject: [PATCH v2 5/7] drm/panic: Convert to drm_fb_clip_offset() > > config: x86_64-randconfig-003-20240615 (https://download.01.org/0day-ci/archive/20240615/202406151811.yEIZ6203-lkp@xxxxxxxxx/config) > > compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0 > > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240615/202406151811.yEIZ6203-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> > > | Closes: https://lore.kernel.org/oe-kbuild-all/202406151811.yEIZ6203-lkp@xxxxxxxxx/ > > > > All errors (new ones prefixed by >>): > > > > >> depmod: ERROR: Cycle detected: drm -> drm_kms_helper -> drm > > depmod: ERROR: Found 2 modules in dependency cycles! > > Oops, so DRM core cannot call any of the helpers, and DRM_PANIC > selecting DRM_KMS_HELPER was wrong in the first place? Q: So how does this work with DRM_PANIC calling drm_fb_helper_emergency_disable()? A: drm_fb_helper_emergency_disable() is a dummy if !CONFIG_DRM_FBDEV_EMULATION, so I guess no one tried to build a failing randconfig with CONFIG_DRM_FBDEV_EMULATION=y yet. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
