diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/selftests/huge_pages.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/selftests/huge_pages.c | 48 |
1 files changed, 34 insertions, 14 deletions
diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c index a094f3ce1a90..b2003133deaf 100644 --- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c +++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c @@ -136,6 +136,8 @@ static void put_huge_pages(struct drm_i915_gem_object *obj, huge_pages_free_pages(pages); obj->mm.dirty = false; + + __start_cpu_write(obj); } static const struct drm_i915_gem_object_ops huge_page_ops = { @@ -152,6 +154,7 @@ huge_pages_object(struct drm_i915_private *i915, { static struct lock_class_key lock_class; struct drm_i915_gem_object *obj; + unsigned int cache_level; GEM_BUG_ON(!size); GEM_BUG_ON(!IS_ALIGNED(size, BIT(__ffs(page_mask)))); @@ -173,7 +176,9 @@ huge_pages_object(struct drm_i915_private *i915, obj->write_domain = I915_GEM_DOMAIN_CPU; obj->read_domains = I915_GEM_DOMAIN_CPU; - obj->cache_level = I915_CACHE_NONE; + + cache_level = HAS_LLC(i915) ? I915_CACHE_LLC : I915_CACHE_NONE; + i915_gem_object_set_cache_coherency(obj, cache_level); obj->mm.page_mask = page_mask; @@ -1456,7 +1461,7 @@ static int igt_tmpfs_fallback(void *arg) struct i915_gem_context *ctx = arg; struct drm_i915_private *i915 = ctx->i915; struct vfsmount *gemfs = i915->mm.gemfs; - struct i915_address_space *vm = i915_gem_context_get_vm_rcu(ctx); + struct i915_address_space *vm = i915_gem_context_get_eb_vm(ctx); struct drm_i915_gem_object *obj; struct i915_vma *vma; u32 *vaddr; @@ -1512,13 +1517,14 @@ static int igt_shrink_thp(void *arg) { struct i915_gem_context *ctx = arg; struct drm_i915_private *i915 = ctx->i915; - struct i915_address_space *vm = i915_gem_context_get_vm_rcu(ctx); + struct i915_address_space *vm = i915_gem_context_get_eb_vm(ctx); struct drm_i915_gem_object *obj; struct i915_gem_engines_iter it; struct intel_context *ce; struct i915_vma *vma; unsigned int flags = PIN_USER; unsigned int n; + bool should_swap; int err = 0; /* @@ -1567,23 +1573,39 @@ static int igt_shrink_thp(void *arg) break; } i915_gem_context_unlock_engines(ctx); + /* + * Nuke everything *before* we unpin the pages so we can be reasonably + * sure that when later checking get_nr_swap_pages() that some random + * leftover object doesn't steal the remaining swap space. + */ + i915_gem_shrink(NULL, i915, -1UL, NULL, + I915_SHRINK_BOUND | + I915_SHRINK_UNBOUND | + I915_SHRINK_ACTIVE); i915_vma_unpin(vma); if (err) goto out_put; /* - * Now that the pages are *unpinned* shrink-all should invoke - * shmem to truncate our pages. + * Now that the pages are *unpinned* shrinking should invoke + * shmem to truncate our pages, if we have available swap. */ - i915_gem_shrink_all(i915); - if (i915_gem_object_has_pages(obj)) { - pr_err("shrink-all didn't truncate the pages\n"); + should_swap = get_nr_swap_pages() > 0; + i915_gem_shrink(NULL, i915, -1UL, NULL, + I915_SHRINK_BOUND | + I915_SHRINK_UNBOUND | + I915_SHRINK_ACTIVE | + I915_SHRINK_WRITEBACK); + if (should_swap == i915_gem_object_has_pages(obj)) { + pr_err("unexpected pages mismatch, should_swap=%s\n", + yesno(should_swap)); err = -EINVAL; goto out_put; } - if (obj->mm.page_sizes.sg || obj->mm.page_sizes.phys) { - pr_err("residual page-size bits left\n"); + if (should_swap == (obj->mm.page_sizes.sg || obj->mm.page_sizes.phys)) { + pr_err("unexpected residual page-size bits, should_swap=%s\n", + yesno(should_swap)); err = -EINVAL; goto out_put; } @@ -1629,7 +1651,7 @@ int i915_gem_huge_page_mock_selftests(void) mkwrite_device_info(dev_priv)->ppgtt_type = INTEL_PPGTT_FULL; mkwrite_device_info(dev_priv)->ppgtt_size = 48; - ppgtt = i915_ppgtt_create(&dev_priv->gt); + ppgtt = i915_ppgtt_create(&dev_priv->gt, 0); if (IS_ERR(ppgtt)) { err = PTR_ERR(ppgtt); goto out_unlock; @@ -1688,11 +1710,9 @@ int i915_gem_huge_page_live_selftests(struct drm_i915_private *i915) goto out_file; } - mutex_lock(&ctx->mutex); - vm = i915_gem_context_vm(ctx); + vm = ctx->vm; if (vm) WRITE_ONCE(vm->scrub_64K, true); - mutex_unlock(&ctx->mutex); err = i915_subtests(tests, ctx); |