tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-4.9
head: efa90756f6e447a7e4133b271e10597078fb58fc
commit: 6d8d2b46e5accb74ce71c834aa95ef5ec9eaa9df [474/507] drm/amdgpu: user BO
priority instead of self coding it
reproduce:
# apt-get install sparse
git checkout 6d8d2b46e5accb74ce71c834aa95ef5ec9eaa9df
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
include/linux/compiler.h:253:8: sparse: attribute 'no_sanitize_address':
unknown attribute
>> drivers/gpu/drm/amd/amdgpu/amdgpu_object.c:390:28: sparse: incompatible
>> types in comparison expression (different signedness)
In file included from include/linux/list.h:8:0,
from drivers/gpu/drm/amd/amdgpu/amdgpu_object.c:32:
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c: In function
'amdgpu_bo_create_restricted':
include/linux/kernel.h:739:16: warning: comparison of distinct pointer types
lacks a cast
(void) (&min1 == &min2); \
^
include/linux/kernel.h:742:2: note: in expansion of macro '__min'
__min(typeof(x), typeof(y), \
^~~~~
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c:390:21: note: in expansion of
macro 'min'
bo->tbo.priority = min(bo->tbo.priority, TTM_MAX_BO_PRIORITY - 1);
^~~
vim +390 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
374
375 if (!resv) {
376 bool locked;
377
378 reservation_object_init(&bo->tbo.ttm_resv);
379 locked = ww_mutex_trylock(&bo->tbo.ttm_resv.lock);
380 WARN_ON(!locked);
381 }
382 r = ttm_bo_init(&adev->mman.bdev, &bo->tbo, size, type,
383 &bo->placement, page_align, !kernel, NULL,
384 acc_size, sg, resv ? resv : &bo->tbo.ttm_resv,
385 &amdgpu_ttm_bo_destroy);
386 if (unlikely(r != 0))
387 return r;
388
389 bo->tbo.priority = ilog2(bo->tbo.num_pages);
> 390 bo->tbo.priority = min(bo->tbo.priority, TTM_MAX_BO_PRIORITY -
> 1);
391
392 if (flags & AMDGPU_GEM_CREATE_VRAM_CLEARED &&
393 bo->tbo.mem.placement & TTM_PL_FLAG_VRAM) {
394 struct fence *fence;
395
396 r = amdgpu_fill_buffer(bo, 0, bo->tbo.resv, &fence);
397 if (unlikely(r))
398 goto fail_unreserve;
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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