struct drm_i915_gem_object *obj, *on;
list_for_each_entry_safe(obj, on, objects, st_link) {
+ i915_gem_object_lock(obj, NULL);
if (i915_gem_object_has_pinned_pages(obj))
i915_gem_object_unpin_pages(obj);
/* No polluting the memory region between tests */
__i915_gem_object_put_pages(obj);
+ i915_gem_object_unlock(obj);
list_del(&obj->st_link);
i915_gem_object_put(obj);
}
break;
}
- err = i915_gem_object_pin_pages(obj);
+ err = i915_gem_object_pin_pages_unlocked(obj);
if (err) {
i915_gem_object_put(obj);
break;
if (IS_ERR(obj))
return obj;
- err = i915_gem_object_pin_pages(obj);
+ err = i915_gem_object_pin_pages_unlocked(obj);
if (err)
goto put;
static void igt_object_release(struct drm_i915_gem_object *obj)
{
+ i915_gem_object_lock(obj, NULL);
i915_gem_object_unpin_pages(obj);
__i915_gem_object_put_pages(obj);
+ i915_gem_object_unlock(obj);
list_del(&obj->st_link);
i915_gem_object_put(obj);
}
return true;
}
+static int igt_mock_reserve(void *arg)
+{
+ struct intel_memory_region *mem = arg;
+ resource_size_t avail = resource_size(&mem->region);
+ struct drm_i915_gem_object *obj;
+ const u32 chunk_size = SZ_32M;
+ u32 i, offset, count, *order;
+ u64 allocated, cur_avail;
+ I915_RND_STATE(prng);
+ LIST_HEAD(objects);
+ int err = 0;
+
+ if (!list_empty(&mem->reserved)) {
+ pr_err("%s region reserved list is not empty\n", __func__);
+ return -EINVAL;
+ }
+
+ count = avail / chunk_size;
+ order = i915_random_order(count, &prng);
+ if (!order)
+ return 0;
+
+ /* Reserve a bunch of ranges within the region */
+ for (i = 0; i < count; ++i) {
+ u64 start = order[i] * chunk_size;
+ u64 size = i915_prandom_u32_max_state(chunk_size, &prng);
+
+ /* Allow for some really big holes */
+ if (!size)
+ continue;
+
+ size = round_up(size, PAGE_SIZE);
+ offset = igt_random_offset(&prng, 0, chunk_size, size,
+ PAGE_SIZE);
+
+ err = intel_memory_region_reserve(mem, start + offset, size);
+ if (err) {
+ pr_err("%s failed to reserve range", __func__);
+ goto out_close;
+ }
+
+ /* XXX: maybe sanity check the block range here? */
+ avail -= size;
+ }
+
+ /* Try to see if we can allocate from the remaining space */
+ allocated = 0;
+ cur_avail = avail;
+ do {
+ u32 size = i915_prandom_u32_max_state(cur_avail, &prng);
+
+ size = max_t(u32, round_up(size, PAGE_SIZE), PAGE_SIZE);
+ obj = igt_object_create(mem, &objects, size, 0);
+ if (IS_ERR(obj)) {
+ if (PTR_ERR(obj) == -ENXIO)
+ break;
+
+ err = PTR_ERR(obj);
+ goto out_close;
+ }
+ cur_avail -= size;
+ allocated += size;
+ } while (1);
+
+ if (allocated != avail) {
+ pr_err("%s mismatch between allocation and free space", __func__);
+ err = -EINVAL;
+ }
+
+out_close:
+ kfree(order);
+ close_objects(mem, &objects);
+ i915_buddy_free_list(&mem->mm, &mem->reserved);
+ return err;
+}
+
static int igt_mock_contiguous(void *arg)
{
struct intel_memory_region *mem = arg;
if (err)
break;
+ i915_gem_object_lock(obj, NULL);
err = igt_cpu_check(obj, dword, rng);
+ i915_gem_object_unlock(obj);
if (err)
break;
} while (!__igt_timeout(end_time, NULL));
if (IS_ERR(obj))
return PTR_ERR(obj);
- err = i915_gem_object_pin_pages(obj);
+ err = i915_gem_object_pin_pages_unlocked(obj);
if (err)
goto out_put;
return err;
}
+static int igt_lmem_create_cleared_cpu(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ I915_RND_STATE(prng);
+ IGT_TIMEOUT(end_time);
+ u32 size, i;
+ int err;
+
+ i915_gem_drain_freed_objects(i915);
+
+ size = max_t(u32, PAGE_SIZE, i915_prandom_u32_max_state(SZ_32M, &prng));
+ size = round_up(size, PAGE_SIZE);
+ i = 0;
+
+ do {
+ struct drm_i915_gem_object *obj;
+ unsigned int flags;
+ u32 dword, val;
+ void *vaddr;
+
+ /*
+ * Alternate between cleared and uncleared allocations, while
+ * also dirtying the pages each time to check that the pages are
+ * always cleared if requested, since we should get some overlap
+ * of the underlying pages, if not all, since we are the only
+ * user.
+ */
+
+ flags = I915_BO_ALLOC_CPU_CLEAR;
+ if (i & 1)
+ flags = 0;
+
+ obj = i915_gem_object_create_lmem(i915, size, flags);
+ if (IS_ERR(obj))
+ return PTR_ERR(obj);
+
+ i915_gem_object_lock(obj, NULL);
+ err = i915_gem_object_pin_pages(obj);
+ if (err)
+ goto out_put;
+
+ dword = i915_prandom_u32_max_state(PAGE_SIZE / sizeof(u32),
+ &prng);
+
+ if (flags & I915_BO_ALLOC_CPU_CLEAR) {
+ err = igt_cpu_check(obj, dword, 0);
+ if (err) {
+ pr_err("%s failed with size=%u, flags=%u\n",
+ __func__, size, flags);
+ goto out_unpin;
+ }
+ }
+
+ vaddr = i915_gem_object_pin_map(obj, I915_MAP_WC);
+ if (IS_ERR(vaddr)) {
+ err = PTR_ERR(vaddr);
+ goto out_unpin;
+ }
+
+ val = prandom_u32_state(&prng);
+
+ memset32(vaddr, val, obj->base.size / sizeof(u32));
+
+ i915_gem_object_flush_map(obj);
+ i915_gem_object_unpin_map(obj);
+out_unpin:
+ i915_gem_object_unpin_pages(obj);
+ __i915_gem_object_put_pages(obj);
+out_put:
+ i915_gem_object_unlock(obj);
+ i915_gem_object_put(obj);
+
+ if (err)
+ break;
+ ++i;
+ } while (!__igt_timeout(end_time, NULL));
+
+ pr_info("%s completed (%u) iterations\n", __func__, i);
+
+ return err;
+}
+
static int igt_lmem_write_gpu(void *arg)
{
struct drm_i915_private *i915 = arg;
goto out_file;
}
- err = i915_gem_object_pin_pages(obj);
+ err = i915_gem_object_pin_pages_unlocked(obj);
if (err)
goto out_put;
if (IS_ERR(obj))
return PTR_ERR(obj);
- vaddr = i915_gem_object_pin_map(obj, I915_MAP_WC);
+ vaddr = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WC);
if (IS_ERR(vaddr)) {
err = PTR_ERR(vaddr);
goto out_put;
return obj;
}
- addr = i915_gem_object_pin_map(obj, type);
+ addr = i915_gem_object_pin_map_unlocked(obj, type);
if (IS_ERR(addr)) {
i915_gem_object_put(obj);
if (PTR_ERR(addr) == -ENXIO)
int intel_memory_region_mock_selftests(void)
{
static const struct i915_subtest tests[] = {
+ SUBTEST(igt_mock_reserve),
SUBTEST(igt_mock_fill),
SUBTEST(igt_mock_contiguous),
SUBTEST(igt_mock_splintered_region),
{
static const struct i915_subtest tests[] = {
SUBTEST(igt_lmem_create),
+ SUBTEST(igt_lmem_create_cleared_cpu),
SUBTEST(igt_lmem_write_cpu),
SUBTEST(igt_lmem_write_gpu),
};
projects / linux-2.6-microblaze.git / blobdiff