[Intel-gfx] [PATCH] drm/i915: Rollback seqno when request creation fails

[kernel test robot]

Hi Matthew,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on drm-tip/drm-tip drm-exynos/exynos-drm-next drm/drm-next tegra-drm/drm/tegra/for-next v5.16-rc3 next-20211203]
[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/Matthew-Brost/drm-i915-Rollback-seqno-when-request-creation-fails/20211204-020638
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: i386-randconfig-m021-20211203 (https://download.01.org/0day-ci/archive/20211204/202112040802.QqhQIE5v-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/af590220a3160c7a680487eac25eb2dc24baf42d
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Matthew-Brost/drm-i915-Rollback-seqno-when-request-creation-fails/20211204-020638
        git checkout af590220a3160c7a680487eac25eb2dc24baf42d
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/i915/

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

All errors (new ones prefixed by >>):

   drivers/gpu/drm/i915/gt/intel_timeline.c: In function 'intel_timeline_rollback_seqno':
>> drivers/gpu/drm/i915/gt/intel_timeline.c:306:2: error: implicit declaration of function 'timeline_rollback' [-Werror=implicit-function-declaration]
     306 |  timeline_rollback(tl);
         |  ^~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/timeline_rollback +306 drivers/gpu/drm/i915/gt/intel_timeline.c

   303	
   304	void intel_timeline_rollback_seqno(struct intel_timeline *tl)
   305	{
 > 306		timeline_rollback(tl);
   307	}
   308	

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