Hi Arthur, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.4-rc6 next-20230615] [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/Arthur-Grillo/drm-vkms-Add-support-to-1D-gamma-LUT/20230616-040349 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20230615200157.960630-1-arthurgrillo%40riseup.net patch subject: [PATCH v3] drm/vkms: Add support to 1D gamma LUT config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230616/202306160524.qcbF0KNr-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 12.3.0 reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add drm-misc git://anongit.freedesktop.org/drm/drm-misc git fetch drm-misc drm-misc-next git checkout drm-misc/drm-misc-next b4 shazam https://lore.kernel.org/r/20230615200157.960630-1-arthurgrillo@xxxxxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=alpha olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=alpha SHELL=/bin/bash drivers/gpu/ 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/202306160524.qcbF0KNr-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/gpu/drm/vkms/vkms_crtc.c: In function 'vkms_crtc_atomic_flush': >> drivers/gpu/drm/vkms/vkms_crtc.c:251:32: warning: variable 'gamma_lut' set but not used [-Wunused-but-set-variable] 251 | struct vkms_color_lut *gamma_lut; | ^~~~~~~~~ vim +/gamma_lut +251 drivers/gpu/drm/vkms/vkms_crtc.c 246 247 static void vkms_crtc_atomic_flush(struct drm_crtc *crtc, 248 struct drm_atomic_state *state) 249 { 250 struct vkms_output *vkms_output = drm_crtc_to_vkms_output(crtc); > 251 struct vkms_color_lut *gamma_lut; 252 253 if (crtc->state->event) { 254 spin_lock(&crtc->dev->event_lock); 255 256 if (drm_crtc_vblank_get(crtc) != 0) 257 drm_crtc_send_vblank_event(crtc, crtc->state->event); 258 else 259 drm_crtc_arm_vblank_event(crtc, crtc->state->event); 260 261 spin_unlock(&crtc->dev->event_lock); 262 263 crtc->state->event = NULL; 264 } 265 266 vkms_output->composer_state = to_vkms_crtc_state(crtc->state); 267 gamma_lut = &vkms_output->composer_state->gamma_lut; 268 269 spin_unlock_irq(&vkms_output->lock); 270 } 271 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
