[linux-next:master 4015/4770] drivers/gpu/drm/drm_edid.o: warning: objtool: do_cvt_mode()+0x153: sibling call from callable instruction with modified stack frame

* [linux-next:master 4015/4770] drivers/gpu/drm/drm_edid.o: warning: objtool: do_cvt_mode()+0x153: sibling call from callable instruction with modified stack frame
@ 2020-11-10  1:56 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2020-11-10  1:56 UTC (permalink / raw)
  To: Lyude Paul; +Cc: kbuild-all, Linux Memory Management List, Ilia Mirkin

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   2ad4382198191b634e69a370d041928484ef0bf8
commit: 991fcb77f490390bcad89fa67d95763c58cdc04c [4015/4770] drm/edid: Fix uninitialized variable in drm_cvt_modes()
config: x86_64-randconfig-a005-20201110 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=991fcb77f490390bcad89fa67d95763c58cdc04c
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 991fcb77f490390bcad89fa67d95763c58cdc04c
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/drm_edid.o: warning: objtool: do_cvt_mode()+0x153: sibling call from callable instruction with modified stack frame

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

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