Hi Umesh, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on drm-tip/drm-tip linus/master v5.9-rc7 next-20201002] [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/Umesh-Nerlige-Ramappa/Allow-privileged-user-to-map-the-OA-buffer/20201003-073003 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/d8a4c73d3c843dd6cb5bb248a90e5b4e0b28953c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Umesh-Nerlige-Ramappa/Allow-privileged-user-to-map-the-OA-buffer/20201003-073003 git checkout d8a4c73d3c843dd6cb5bb248a90e5b4e0b28953c # 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@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/gpu/drm/i915/gt/intel_workarounds.c:1648:6: warning: no previous prototype for 'intel_engine_apply_whitelist_locked' [-Wmissing-prototypes] 1648 | void intel_engine_apply_whitelist_locked(struct intel_engine_cs *engine) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/intel_engine_apply_whitelist_locked +1648 drivers/gpu/drm/i915/gt/intel_workarounds.c 1647 > 1648 void intel_engine_apply_whitelist_locked(struct intel_engine_cs *engine) 1649 { 1650 const struct i915_wa_list *wal = &engine->whitelist; 1651 struct intel_uncore *uncore = engine->uncore; 1652 const u32 base = engine->mmio_base; 1653 struct i915_wa *wa; 1654 unsigned int i; 1655 enum forcewake_domains fw; 1656 1657 lockdep_assert_held(&uncore->lock); 1658 1659 fw = wal_get_fw(uncore, wal, FW_REG_WRITE); 1660 intel_uncore_forcewake_get__locked(uncore, fw); 1661 1662 for (i = 0, wa = wal->list; i < wal->count; i++, wa++) 1663 intel_uncore_write_fw(uncore, 1664 RING_FORCE_TO_NONPRIV(base, i), 1665 i915_mmio_reg_offset(wa->reg)); 1666 1667 /* And clear the rest just in case of garbage */ 1668 for (; i < RING_MAX_NONPRIV_SLOTS; i++) 1669 intel_uncore_write_fw(uncore, 1670 RING_FORCE_TO_NONPRIV(base, i), 1671 i915_mmio_reg_offset(RING_NOPID(base))); 1672 1673 intel_uncore_forcewake_put__locked(uncore, fw); 1674 } 1675 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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