tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 136057256686de39cc3a07c2e39ef6bc43003ff6 commit: 03fc4cf45d30533d54f0f4ebc02aacfa12f52ce2 drm/amd/display: Verify Gamma & Degamma LUT sizes in amdgpu_dm_atomic_check date: 5 months ago config: x86_64-randconfig-m001-20211109 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 03fc4cf45d30533d54f0f4ebc02aacfa12f52ce2 # 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 >>): * Verifies that the Degamma and Gamma LUTs attached to the |crtc_state| are of vim +288 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_color.c 286 287 /** 289 * the expected size. 290 * Returns 0 on success. 291 */ 292 int amdgpu_dm_verify_lut_sizes(const struct drm_crtc_state *crtc_state) 293 { 294 const struct drm_color_lut *lut = NULL; 295 uint32_t size = 0; 296 297 lut = __extract_blob_lut(crtc_state->degamma_lut, &size); 298 if (lut && size != MAX_COLOR_LUT_ENTRIES) { 299 DRM_DEBUG_DRIVER( 300 "Invalid Degamma LUT size. Should be %u but got %u.\n", 301 MAX_COLOR_LUT_ENTRIES, size); 302 return -EINVAL; 303 } 304 305 lut = __extract_blob_lut(crtc_state->gamma_lut, &size); 306 if (lut && size != MAX_COLOR_LUT_ENTRIES && 307 size != MAX_COLOR_LEGACY_LUT_ENTRIES) { 308 DRM_DEBUG_DRIVER( 309 "Invalid Gamma LUT size. Should be %u (or %u for legacy) but got %u.\n", 310 MAX_COLOR_LUT_ENTRIES, MAX_COLOR_LEGACY_LUT_ENTRIES, 311 size); 312 return -EINVAL; 313 } 314 315 return 0; 316 } 317 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org