tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git pending-fixes head: a7fc3604a297400b1140adf29cc29de7bf17e4f3 commit: 2e872d87cbf2cd02dca570ee187cf35567576a70 [164/228] drm/i915: delete shadow "ret" variable config: i386-randconfig-a011-20220131 (https://download.01.org/0day-ci/archive/20220201/202202011539.ovkZEMAZ-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 2cdbaca3943a4d6259119f185656328bd3805b68) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=2e872d87cbf2cd02dca570ee187cf35567576a70 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next pending-fixes git checkout 2e872d87cbf2cd02dca570ee187cf35567576a70 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Note: the linux-next/pending-fixes HEAD a7fc3604a297400b1140adf29cc29de7bf17e4f3 builds fine. It only hurts bisectability. All errors (new ones prefixed by >>): >> drivers/gpu/drm/i915/i915_vma.c:451:4: error: use of undeclared identifier 'ret' ret = i915_gem_object_wait_moving_fence(vma->obj, true); ^ drivers/gpu/drm/i915/i915_vma.c:452:8: error: use of undeclared identifier 'ret' if (ret) ^ drivers/gpu/drm/i915/i915_vma.c:453:12: error: use of undeclared identifier 'ret' return ret; ^ 3 errors generated. vim +/ret +451 drivers/gpu/drm/i915/i915_vma.c f6c466b84cfa78 Maarten Lankhorst 2021-11-22 376 b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 377 /** b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 378 * i915_vma_bind - Sets up PTEs for an VMA in it's corresponding address space. b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 379 * @vma: VMA to map b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 380 * @cache_level: mapping cache level b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 381 * @flags: flags like global or local mapping 2850748ef8763a Chris Wilson 2019-10-04 382 * @work: preallocated worker for allocating and binding the PTE b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 383 * b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 384 * DMA addresses are taken from the scatter-gather table of this object (or of b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 385 * this VMA in case of non-default GGTT views) and PTE entries set up. b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 386 * Note that DMA addresses are also the only part of the SG table we care about. b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 387 */ 2850748ef8763a Chris Wilson 2019-10-04 388 int i915_vma_bind(struct i915_vma *vma, 2850748ef8763a Chris Wilson 2019-10-04 389 enum i915_cache_level cache_level, 2850748ef8763a Chris Wilson 2019-10-04 390 u32 flags, 2850748ef8763a Chris Wilson 2019-10-04 391 struct i915_vma_work *work) b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 392 { b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 393 u32 bind_flags; b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 394 u32 vma_flags; b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 395 c2ea703dcafccf Thomas Hellström 2021-12-21 396 lockdep_assert_held(&vma->vm->mutex); aa149431279166 Chris Wilson 2017-02-25 397 GEM_BUG_ON(!drm_mm_node_allocated(&vma->node)); aa149431279166 Chris Wilson 2017-02-25 398 GEM_BUG_ON(vma->size > vma->node.size); aa149431279166 Chris Wilson 2017-02-25 399 bbb8a9d7e000c9 Tvrtko Ursulin 2018-10-12 400 if (GEM_DEBUG_WARN_ON(range_overflows(vma->node.start, aa149431279166 Chris Wilson 2017-02-25 401 vma->node.size, aa149431279166 Chris Wilson 2017-02-25 402 vma->vm->total))) aa149431279166 Chris Wilson 2017-02-25 403 return -ENODEV; aa149431279166 Chris Wilson 2017-02-25 404 bbb8a9d7e000c9 Tvrtko Ursulin 2018-10-12 405 if (GEM_DEBUG_WARN_ON(!flags)) b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 406 return -EINVAL; b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 407 2850748ef8763a Chris Wilson 2019-10-04 408 bind_flags = flags; 2850748ef8763a Chris Wilson 2019-10-04 409 bind_flags &= I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND; b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 410 4dd2fbbfb532d0 Chris Wilson 2019-09-11 411 vma_flags = atomic_read(&vma->flags); 4dd2fbbfb532d0 Chris Wilson 2019-09-11 412 vma_flags &= I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND; aedbe0a1af585e Chris Wilson 2020-05-21 413 b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 414 bind_flags &= ~vma_flags; b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 415 if (bind_flags == 0) b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 416 return 0; b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 417 0b4d1f0e936e5c Maarten Lankhorst 2021-12-16 418 GEM_BUG_ON(!atomic_read(&vma->pages_count)); fa3f46afd38cec Matthew Auld 2017-10-06 419 6146e6da5c9617 Daniele Ceraolo Spurio 2017-01-20 420 trace_i915_vma_bind(vma, bind_flags); aedbe0a1af585e Chris Wilson 2020-05-21 421 if (work && bind_flags & vma->vm->bind_async_flags) { e3793468b4660a Chris Wilson 2020-01-30 422 struct dma_fence *prev; e3793468b4660a Chris Wilson 2020-01-30 423 2850748ef8763a Chris Wilson 2019-10-04 424 work->vma = vma; 2850748ef8763a Chris Wilson 2019-10-04 425 work->cache_level = cache_level; 12b07256c22399 Chris Wilson 2020-07-03 426 work->flags = bind_flags; 2850748ef8763a Chris Wilson 2019-10-04 427 2850748ef8763a Chris Wilson 2019-10-04 428 /* 2850748ef8763a Chris Wilson 2019-10-04 429 * Note we only want to chain up to the migration fence on 2850748ef8763a Chris Wilson 2019-10-04 430 * the pages (not the object itself). As we don't track that, 2850748ef8763a Chris Wilson 2019-10-04 431 * yet, we have to use the exclusive fence instead. 2850748ef8763a Chris Wilson 2019-10-04 432 * 2850748ef8763a Chris Wilson 2019-10-04 433 * Also note that we do not want to track the async vma as 2850748ef8763a Chris Wilson 2019-10-04 434 * part of the obj->resv->excl_fence as it only affects 2850748ef8763a Chris Wilson 2019-10-04 435 * execution and not content or object's backing store lifetime. 2850748ef8763a Chris Wilson 2019-10-04 436 */ e3793468b4660a Chris Wilson 2020-01-30 437 prev = i915_active_set_exclusive(&vma->active, &work->base.dma); 30ca04e16cbeea Chris Wilson 2020-02-03 438 if (prev) { e3793468b4660a Chris Wilson 2020-01-30 439 __i915_sw_fence_await_dma_fence(&work->base.chain, e3793468b4660a Chris Wilson 2020-01-30 440 prev, e3793468b4660a Chris Wilson 2020-01-30 441 &work->cb); 30ca04e16cbeea Chris Wilson 2020-02-03 442 dma_fence_put(prev); 30ca04e16cbeea Chris Wilson 2020-02-03 443 } e3793468b4660a Chris Wilson 2020-01-30 444 2850748ef8763a Chris Wilson 2019-10-04 445 work->base.dma.error = 0; /* enable the queue_work() */ 2850748ef8763a Chris Wilson 2019-10-04 446 2850748ef8763a Chris Wilson 2019-10-04 447 __i915_gem_object_pin_pages(vma->obj); 537457a979a02a Chris Wilson 2020-11-02 448 work->pinned = i915_gem_object_get(vma->obj); 2850748ef8763a Chris Wilson 2019-10-04 449 } else { f6c466b84cfa78 Maarten Lankhorst 2021-11-22 450 if (vma->obj) { f6c466b84cfa78 Maarten Lankhorst 2021-11-22 @451 ret = i915_gem_object_wait_moving_fence(vma->obj, true); f6c466b84cfa78 Maarten Lankhorst 2021-11-22 452 if (ret) f6c466b84cfa78 Maarten Lankhorst 2021-11-22 453 return ret; f6c466b84cfa78 Maarten Lankhorst 2021-11-22 454 } cd0452aa2a0d14 Chris Wilson 2020-07-29 455 vma->ops->bind_vma(vma->vm, NULL, vma, cache_level, bind_flags); 2850748ef8763a Chris Wilson 2019-10-04 456 } b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 457 7938d61591d333 Tvrtko Ursulin 2021-10-19 458 if (vma->obj) 7938d61591d333 Tvrtko Ursulin 2021-10-19 459 set_bit(I915_BO_WAS_BOUND_BIT, &vma->obj->flags); 7938d61591d333 Tvrtko Ursulin 2021-10-19 460 4dd2fbbfb532d0 Chris Wilson 2019-09-11 461 atomic_or(bind_flags, &vma->flags); b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 462 return 0; b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 463 } b42fe9ca0a1e2b Joonas Lahtinen 2016-11-11 464 :::::: The code at line 451 was first introduced by commit :::::: f6c466b84cfa78807b7f71b8adeaf209b4deb72f drm/i915: Add support for moving fence waiting :::::: TO: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> :::::: CC: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
