[Intel-gfx] [PATCH 29/31] drm/i915/gem: Roll all of context creation together
kernel test robot
lkp at intel.com
Wed Jun 16 20:11:16 UTC 2021
Hi Jason,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on drm-tip/drm-tip drm-exynos/exynos-drm-next next-20210616]
[cannot apply to tegra-drm/drm/tegra/for-next drm/drm-next v5.13-rc6]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Jason-Ekstrand/drm-i915-gem-ioctl-clean-ups-v6/20210616-151016
base: git://anongit.freedesktop.org/drm-intel for-linux-next
config: i386-randconfig-s001-20210615 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.3-341-g8af24329-dirty
# https://github.com/0day-ci/linux/commit/18d43c75e6489f1e8485d8f4e809d83bbc179326
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Jason-Ekstrand/drm-i915-gem-ioctl-clean-ups-v6/20210616-151016
git checkout 18d43c75e6489f1e8485d8f4e809d83bbc179326
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/i915/gem/i915_gem_context.c:1412:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct i915_address_space *vm @@ got struct i915_address_space [noderef] __rcu *vm @@
drivers/gpu/drm/i915/gem/i915_gem_context.c:1412:34: sparse: expected struct i915_address_space *vm
drivers/gpu/drm/i915/gem/i915_gem_context.c:1412:34: sparse: got struct i915_address_space [noderef] __rcu *vm
drivers/gpu/drm/i915/gem/i915_gem_context.c: note: in included file:
>> drivers/gpu/drm/i915/gem/selftests/mock_context.c:43:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct i915_address_space [noderef] __rcu *vm @@ got struct i915_address_space * @@
drivers/gpu/drm/i915/gem/selftests/mock_context.c:43:25: sparse: expected struct i915_address_space [noderef] __rcu *vm
drivers/gpu/drm/i915/gem/selftests/mock_context.c:43:25: sparse: got struct i915_address_space *
>> drivers/gpu/drm/i915/gem/selftests/mock_context.c:60:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct i915_address_space *vm @@ got struct i915_address_space [noderef] __rcu *vm @@
drivers/gpu/drm/i915/gem/selftests/mock_context.c:60:34: sparse: expected struct i915_address_space *vm
drivers/gpu/drm/i915/gem/selftests/mock_context.c:60:34: sparse: got struct i915_address_space [noderef] __rcu *vm
vim +1412 drivers/gpu/drm/i915/gem/i915_gem_context.c
1324
1325 static struct i915_gem_context *
1326 i915_gem_create_context(struct drm_i915_private *i915,
1327 const struct i915_gem_proto_context *pc)
1328 {
1329 struct i915_gem_context *ctx;
1330 struct i915_address_space *vm = NULL;
1331 struct i915_gem_engines *e;
1332 int err;
1333 int i;
1334
1335 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
1336 if (!ctx)
1337 return ERR_PTR(-ENOMEM);
1338
1339 kref_init(&ctx->ref);
1340 ctx->i915 = i915;
1341 ctx->sched = pc->sched;
1342 mutex_init(&ctx->mutex);
1343 INIT_LIST_HEAD(&ctx->link);
1344
1345 spin_lock_init(&ctx->stale.lock);
1346 INIT_LIST_HEAD(&ctx->stale.engines);
1347
1348 if (pc->vm) {
1349 vm = i915_vm_get(pc->vm);
1350 } else if (HAS_FULL_PPGTT(i915)) {
1351 struct i915_ppgtt *ppgtt;
1352
1353 ppgtt = i915_ppgtt_create(&i915->gt);
1354 if (IS_ERR(ppgtt)) {
1355 drm_dbg(&i915->drm, "PPGTT setup failed (%ld)\n",
1356 PTR_ERR(ppgtt));
1357 err = PTR_ERR(ppgtt);
1358 goto err_ctx;
1359 }
1360 vm = &ppgtt->vm;
1361 }
1362 if (vm) {
1363 RCU_INIT_POINTER(ctx->vm, i915_vm_open(vm));
1364
1365 /* i915_vm_open() takes a reference */
1366 i915_vm_put(vm);
1367 }
1368
1369 mutex_init(&ctx->engines_mutex);
1370 if (pc->num_user_engines >= 0) {
1371 i915_gem_context_set_user_engines(ctx);
1372 e = user_engines(ctx, pc->num_user_engines, pc->user_engines);
1373 } else {
1374 i915_gem_context_clear_user_engines(ctx);
1375 e = default_engines(ctx, pc->legacy_rcs_sseu);
1376 }
1377 if (IS_ERR(e)) {
1378 err = PTR_ERR(e);
1379 goto err_vm;
1380 }
1381 RCU_INIT_POINTER(ctx->engines, e);
1382
1383 INIT_RADIX_TREE(&ctx->handles_vma, GFP_KERNEL);
1384 mutex_init(&ctx->lut_mutex);
1385
1386 /* NB: Mark all slices as needing a remap so that when the context first
1387 * loads it will restore whatever remap state already exists. If there
1388 * is no remap info, it will be a NOP. */
1389 ctx->remap_slice = ALL_L3_SLICES(i915);
1390
1391 ctx->user_flags = pc->user_flags;
1392
1393 for (i = 0; i < ARRAY_SIZE(ctx->hang_timestamp); i++)
1394 ctx->hang_timestamp[i] = jiffies - CONTEXT_FAST_HANG_JIFFIES;
1395
1396 if (pc->single_timeline) {
1397 err = drm_syncobj_create(&ctx->syncobj,
1398 DRM_SYNCOBJ_CREATE_SIGNALED,
1399 NULL);
1400 if (err)
1401 goto err_engines;
1402 }
1403
1404 trace_i915_context_create(ctx);
1405
1406 return ctx;
1407
1408 err_engines:
1409 free_engines(e);
1410 err_vm:
1411 if (ctx->vm)
> 1412 i915_vm_close(ctx->vm);
1413 err_ctx:
1414 kfree(ctx);
1415 return ERR_PTR(err);
1416 }
1417
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
-------------- next part --------------
A non-text attachment was scrubbed...
Name: .config.gz
Type: application/gzip
Size: 42314 bytes
Desc: not available
URL: <https://lists.freedesktop.org/archives/intel-gfx/attachments/20210617/3d6e110c/attachment-0001.gz>
More information about the Intel-gfx
mailing list