tree: git://people.freedesktop.org/~agd5f/linux.git drm-next-4.12-wip
head: d32ff0ea8e22964abcc6406e00a0646f2bfb94c7
commit: 7958b9959ea9dd544675adebddab255f7c536da7 [33/40] drm/amdgpu: add basic PRT support (v2)
config: xtensa-allmodconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 4.9.0
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 7958b9959ea9dd544675adebddab255f7c536da7
# save the attached .config to linux build tree
make.cross ARCH=xtensa
All warnings (new ones prefixed by >>):
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c: In function 'amdgpu_vm_free_mapping':
>> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1222:2: warning: left shift count >= width of type
if ((mapping->flags & AMDGPU_PTE_PRT) &&
^
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c: In function 'amdgpu_vm_bo_map':
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1379:2: warning: left shift count >= width of type
if (flags & AMDGPU_PTE_PRT) {
^
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c: In function 'amdgpu_vm_fini':
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c:1701:3: warning: left shift count >= width of type
if (mapping->flags & AMDGPU_PTE_PRT)
^
vim +1222 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
1206
1207 /**
1208 * amdgpu_vm_free_mapping - free a mapping
1209 *
1210 * @adev: amdgpu_device pointer
1211 * @vm: requested vm
1212 * @mapping: mapping to be freed
1213 * @fence: fence of the unmap operation
1214 *
1215 * Free a mapping and make sure we decrease the PRT usage count if applicable.
1216 */
1217 static void amdgpu_vm_free_mapping(struct amdgpu_device *adev,
1218 struct amdgpu_vm *vm,
1219 struct amdgpu_bo_va_mapping *mapping,
1220 struct dma_fence *fence)
1221 {
> 1222 if ((mapping->flags & AMDGPU_PTE_PRT) &&
1223 atomic_dec_return(&adev->vm_manager.num_prt_mappings) == 0) {
1224 struct amdgpu_prt_cb *cb = kmalloc(sizeof(struct amdgpu_prt_cb),
1225 GFP_KERNEL);
1226
1227 cb->adev = adev;
1228 if (!fence || dma_fence_add_callback(fence, &cb->cb,
1229 amdgpu_vm_prt_cb)) {
1230 amdgpu_vm_update_prt_state(adev);
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: application/gzip
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