Hi Luca, kernel test robot noticed the following build errors: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip linus/master next-20240117] [cannot apply to drm-intel/for-linux-next-fixes v6.7] [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/Luca-Coelho/drm-i915-move-interrupt-save-restore-into-vblank-section-helpers/20240117-174910 base: git://anongit.freedesktop.org/drm-intel for-linux-next patch link: https://lore.kernel.org/r/20240117094613.1401573-1-luciano.coelho%40intel.com patch subject: [PATCH] drm/i915: move interrupt save/restore into vblank section helpers config: i386-randconfig-011-20240117 (https://download.01.org/0day-ci/archive/20240118/202401180456.XKw1s0M1-lkp@xxxxxxxxx/config) compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240118/202401180456.XKw1s0M1-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/202401180456.XKw1s0M1-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/i915/display/intel_vblank.c:282:17: error: use of undeclared identifier 'irqflags' 282 | local_irq_save(irqflags); | ^ >> drivers/gpu/drm/i915/display/intel_vblank.c:282:17: error: use of undeclared identifier 'irqflags' >> drivers/gpu/drm/i915/display/intel_vblank.c:282:17: error: use of undeclared identifier 'irqflags' >> drivers/gpu/drm/i915/display/intel_vblank.c:282:17: error: use of undeclared identifier 'irqflags' drivers/gpu/drm/i915/display/intel_vblank.c:294:20: error: use of undeclared identifier 'irqflags' 294 | local_irq_restore(irqflags); | ^ drivers/gpu/drm/i915/display/intel_vblank.c:294:20: error: use of undeclared identifier 'irqflags' drivers/gpu/drm/i915/display/intel_vblank.c:294:20: error: use of undeclared identifier 'irqflags' drivers/gpu/drm/i915/display/intel_vblank.c:294:20: error: use of undeclared identifier 'irqflags' drivers/gpu/drm/i915/display/intel_vblank.c:309:16: warning: unused variable 'irqflags' [-Wunused-variable] 309 | unsigned long irqflags; | ^~~~~~~~ drivers/gpu/drm/i915/display/intel_vblank.c:441:16: warning: unused variable 'irqflags' [-Wunused-variable] 441 | unsigned long irqflags; | ^~~~~~~~ 2 warnings and 8 errors generated. vim +/irqflags +282 drivers/gpu/drm/i915/display/intel_vblank.c 267 268 /* 269 * These functions help enter and exit vblank critical sections. When 270 * entering, they disable interrupts and, for i915, acquire the 271 * uncore's spinlock. Conversely, when exiting, they release the 272 * spinlock and restore the interrupts state. 273 * 274 * This lock in i915 is needed because some old platforms (at least 275 * IVB and possibly HSW as well), which are not supported in Xe, need 276 * all register accesses to the same cacheline to be serialized, 277 * otherwise they may hang. 278 */ 279 static void intel_vblank_section_enter(struct drm_i915_private *i915) 280 __acquires(i915->uncore.lock) 281 { > 282 local_irq_save(irqflags); 283 #ifdef I915 284 spin_lock(&i915->uncore.lock); 285 #endif 286 } 287 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki