Hi Karthik, 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 drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next v5.8-rc5 next-20200713] [cannot apply to drm/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 as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Karthik-B-S/Asynchronous-flip-im... base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-rhel (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce (this is a W=1 build): # 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(a)intel.com&gt; All warnings (new ones prefixed by >>): 700 | u32 g4x_get_flip_counter(struct drm_crtc *crtc) | ^~~~~~~~~~~~~~~~~~~~ vim +/g4x_get_flip_counter +700 drivers/gpu/drm/i915/i915_irq.c 699 701 { 702 struct drm_i915_private *dev_priv = to_i915(crtc->dev); 703 enum pipe pipe = to_intel_crtc(crtc)->pipe; 704 705 return I915_READ(PIPE_FLIPCOUNT_G4X(pipe)); 706 } 707 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org