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X-CSE-ConnectionGUID: CU+mV5loSw6oOSfNpcAHdQ== X-CSE-MsgGUID: NLuitO9wR5mmf/igY5lvlQ== X-IronPort-AV: E=McAfee;i="6800,10657,11655"; a="79939374" X-IronPort-AV: E=Sophos;i="6.21,183,1763452800"; d="scan'208";a="79939374" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Dec 2025 05:04:01 -0800 X-CSE-ConnectionGUID: 0onEPtczSPmMnFonx103Hw== X-CSE-MsgGUID: U3Fp+QloSLCTvbYtK7XXSA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,183,1763452800"; d="scan'208";a="200619545" Received: from lkp-server02.sh.intel.com (HELO dd3453e2b682) ([10.239.97.151]) by fmviesa006.fm.intel.com with ESMTP; 28 Dec 2025 05:03:57 -0800 Received: from kbuild by dd3453e2b682 with local (Exim 4.98.2) (envelope-from ) id 1vZqR8-000000006Tl-1Y9O; Sun, 28 Dec 2025 13:03:54 +0000 Date: Sun, 28 Dec 2025 21:03:30 +0800 From: kernel test robot To: Dmitry Baryshkov , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Harry Wentland , Leo Li , Rodrigo Siqueira , Alex Deucher , Christian =?iso-8859-1?Q?K=F6nig?= Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org Subject: Re: [PATCH v2 3/3] drm/atomic: verify that gamma/degamma LUTs are not too big Message-ID: <202512282045.vcM3bTwk-lkp@intel.com> References: <20251228-drm-fix-lut-checks-v2-3-50f5d1a260a7@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251228-drm-fix-lut-checks-v2-3-50f5d1a260a7@oss.qualcomm.com> Hi Dmitry, kernel test robot noticed the following build errors: [auto build test ERROR on 130343ee6bca9895c47d314467db7dd3dcc8bc35] url: https://github.com/intel-lab-lkp/linux/commits/Dmitry-Baryshkov/drm-mode_object-add-drm_object_immutable_property_get_value/20251228-112526 base: 130343ee6bca9895c47d314467db7dd3dcc8bc35 patch link: https://lore.kernel.org/r/20251228-drm-fix-lut-checks-v2-3-50f5d1a260a7%40oss.qualcomm.com patch subject: [PATCH v2 3/3] drm/atomic: verify that gamma/degamma LUTs are not too big config: x86_64-randconfig-076-20251228 (https://download.01.org/0day-ci/archive/20251228/202512282045.vcM3bTwk-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251228/202512282045.vcM3bTwk-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202512282045.vcM3bTwk-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/drm_atomic_uapi.c:416:9: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int] 416 | const elem_size = sizeof(struct drm_color_lut); | ~~~~~ ^ | int drivers/gpu/drm/drm_atomic_uapi.c:441:9: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int] 441 | const elem_size = sizeof(struct drm_color_lut); | ~~~~~ ^ | int 2 errors generated. vim +/int +416 drivers/gpu/drm/drm_atomic_uapi.c 395 396 static int drm_atomic_crtc_set_property(struct drm_crtc *crtc, 397 struct drm_crtc_state *state, struct drm_property *property, 398 uint64_t val) 399 { 400 struct drm_device *dev = crtc->dev; 401 struct drm_mode_config *config = &dev->mode_config; 402 bool replaced = false; 403 int ret; 404 405 if (property == config->prop_active) 406 state->active = val; 407 else if (property == config->prop_mode_id) { 408 struct drm_property_blob *mode = 409 drm_property_lookup_blob(dev, val); 410 ret = drm_atomic_set_mode_prop_for_crtc(state, mode); 411 drm_property_blob_put(mode); 412 return ret; 413 } else if (property == config->prop_vrr_enabled) { 414 state->vrr_enabled = val; 415 } else if (property == config->degamma_lut_property) { > 416 const elem_size = sizeof(struct drm_color_lut); 417 u64 lut_size; 418 419 ret = drm_object_immutable_property_get_value(&crtc->base, 420 config->degamma_lut_size_property, 421 &lut_size); 422 if (ret) 423 return ret; 424 425 ret = drm_property_replace_blob_from_id(dev, 426 &state->degamma_lut, 427 val, 428 elem_size * lut_size, -1, elem_size, 429 &replaced); 430 state->color_mgmt_changed |= replaced; 431 return ret; 432 } else if (property == config->ctm_property) { 433 ret = drm_property_replace_blob_from_id(dev, 434 &state->ctm, 435 val, 436 -1, sizeof(struct drm_color_ctm), -1, 437 &replaced); 438 state->color_mgmt_changed |= replaced; 439 return ret; 440 } else if (property == config->gamma_lut_property) { 441 const elem_size = sizeof(struct drm_color_lut); 442 u64 lut_size; 443 444 ret = drm_object_immutable_property_get_value(&crtc->base, 445 config->gamma_lut_size_property, 446 &lut_size); 447 if (ret) 448 return ret; 449 450 ret = drm_property_replace_blob_from_id(dev, 451 &state->gamma_lut, 452 val, 453 elem_size * lut_size, -1, elem_size, 454 &replaced); 455 state->color_mgmt_changed |= replaced; 456 return ret; 457 } else if (property == config->prop_out_fence_ptr) { 458 s32 __user *fence_ptr = u64_to_user_ptr(val); 459 460 if (!fence_ptr) 461 return 0; 462 463 if (put_user(-1, fence_ptr)) 464 return -EFAULT; 465 466 set_out_fence_for_crtc(state->state, crtc, fence_ptr); 467 } else if (property == crtc->scaling_filter_property) { 468 state->scaling_filter = val; 469 } else if (property == crtc->sharpness_strength_property) { 470 state->sharpness_strength = val; 471 } else if (crtc->funcs->atomic_set_property) { 472 return crtc->funcs->atomic_set_property(crtc, state, property, val); 473 } else { 474 drm_dbg_atomic(crtc->dev, 475 "[CRTC:%d:%s] unknown property [PROP:%d:%s]\n", 476 crtc->base.id, crtc->name, 477 property->base.id, property->name); 478 return -EINVAL; 479 } 480 481 return 0; 482 } 483 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki