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path: root/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
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Diffstat (limited to 'drivers/gpu/drm/i915/selftests/i915_gem_evict.c')
-rw-r--r--drivers/gpu/drm/i915/selftests/i915_gem_evict.c171
1 files changed, 92 insertions, 79 deletions
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
index a3cb0aade6f1..06ef88510209 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
@@ -25,6 +25,7 @@
#include "gem/i915_gem_pm.h"
#include "gem/selftests/igt_gem_utils.h"
#include "gem/selftests/mock_context.h"
+#include "gt/intel_gt.h"
#include "i915_selftest.h"
@@ -42,31 +43,34 @@ static void quirk_add(struct drm_i915_gem_object *obj,
list_add(&obj->st_link, objects);
}
-static int populate_ggtt(struct drm_i915_private *i915,
- struct list_head *objects)
+static int populate_ggtt(struct i915_ggtt *ggtt, struct list_head *objects)
{
unsigned long unbound, bound, count;
struct drm_i915_gem_object *obj;
- u64 size;
count = 0;
- for (size = 0;
- size + I915_GTT_PAGE_SIZE <= i915->ggtt.vm.total;
- size += I915_GTT_PAGE_SIZE) {
+ do {
struct i915_vma *vma;
- obj = i915_gem_object_create_internal(i915, I915_GTT_PAGE_SIZE);
+ obj = i915_gem_object_create_internal(ggtt->vm.i915,
+ I915_GTT_PAGE_SIZE);
if (IS_ERR(obj))
return PTR_ERR(obj);
- quirk_add(obj, objects);
-
vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, 0);
- if (IS_ERR(vma))
+ if (IS_ERR(vma)) {
+ i915_gem_object_put(obj);
+ if (vma == ERR_PTR(-ENOSPC))
+ break;
+
return PTR_ERR(vma);
+ }
+ quirk_add(obj, objects);
count++;
- }
+ } while (1);
+ pr_debug("Filled GGTT with %lu pages [%llu total]\n",
+ count, ggtt->vm.total / PAGE_SIZE);
bound = 0;
unbound = 0;
@@ -92,7 +96,7 @@ static int populate_ggtt(struct drm_i915_private *i915,
return -EINVAL;
}
- if (list_empty(&i915->ggtt.vm.bound_list)) {
+ if (list_empty(&ggtt->vm.bound_list)) {
pr_err("No objects on the GGTT inactive list!\n");
return -EINVAL;
}
@@ -100,20 +104,16 @@ static int populate_ggtt(struct drm_i915_private *i915,
return 0;
}
-static void unpin_ggtt(struct drm_i915_private *i915)
+static void unpin_ggtt(struct i915_ggtt *ggtt)
{
- struct i915_ggtt *ggtt = &i915->ggtt;
struct i915_vma *vma;
- mutex_lock(&ggtt->vm.mutex);
- list_for_each_entry(vma, &i915->ggtt.vm.bound_list, vm_link)
+ list_for_each_entry(vma, &ggtt->vm.bound_list, vm_link)
if (vma->obj->mm.quirked)
i915_vma_unpin(vma);
- mutex_unlock(&ggtt->vm.mutex);
}
-static void cleanup_objects(struct drm_i915_private *i915,
- struct list_head *list)
+static void cleanup_objects(struct i915_ggtt *ggtt, struct list_head *list)
{
struct drm_i915_gem_object *obj, *on;
@@ -123,44 +123,44 @@ static void cleanup_objects(struct drm_i915_private *i915,
i915_gem_object_put(obj);
}
- mutex_unlock(&i915->drm.struct_mutex);
-
- i915_gem_drain_freed_objects(i915);
-
- mutex_lock(&i915->drm.struct_mutex);
+ i915_gem_drain_freed_objects(ggtt->vm.i915);
}
static int igt_evict_something(void *arg)
{
- struct drm_i915_private *i915 = arg;
- struct i915_ggtt *ggtt = &i915->ggtt;
+ struct intel_gt *gt = arg;
+ struct i915_ggtt *ggtt = gt->ggtt;
LIST_HEAD(objects);
int err;
/* Fill the GGTT with pinned objects and try to evict one. */
- err = populate_ggtt(i915, &objects);
+ err = populate_ggtt(ggtt, &objects);
if (err)
goto cleanup;
/* Everything is pinned, nothing should happen */
+ mutex_lock(&ggtt->vm.mutex);
err = i915_gem_evict_something(&ggtt->vm,
I915_GTT_PAGE_SIZE, 0, 0,
0, U64_MAX,
0);
+ mutex_unlock(&ggtt->vm.mutex);
if (err != -ENOSPC) {
pr_err("i915_gem_evict_something failed on a full GGTT with err=%d\n",
err);
goto cleanup;
}
- unpin_ggtt(i915);
+ unpin_ggtt(ggtt);
/* Everything is unpinned, we should be able to evict something */
+ mutex_lock(&ggtt->vm.mutex);
err = i915_gem_evict_something(&ggtt->vm,
I915_GTT_PAGE_SIZE, 0, 0,
0, U64_MAX,
0);
+ mutex_unlock(&ggtt->vm.mutex);
if (err) {
pr_err("i915_gem_evict_something failed on a full GGTT with err=%d\n",
err);
@@ -168,13 +168,14 @@ static int igt_evict_something(void *arg)
}
cleanup:
- cleanup_objects(i915, &objects);
+ cleanup_objects(ggtt, &objects);
return err;
}
static int igt_overcommit(void *arg)
{
- struct drm_i915_private *i915 = arg;
+ struct intel_gt *gt = arg;
+ struct i915_ggtt *ggtt = gt->ggtt;
struct drm_i915_gem_object *obj;
struct i915_vma *vma;
LIST_HEAD(objects);
@@ -184,11 +185,11 @@ static int igt_overcommit(void *arg)
* We expect it to fail.
*/
- err = populate_ggtt(i915, &objects);
+ err = populate_ggtt(ggtt, &objects);
if (err)
goto cleanup;
- obj = i915_gem_object_create_internal(i915, I915_GTT_PAGE_SIZE);
+ obj = i915_gem_object_create_internal(gt->i915, I915_GTT_PAGE_SIZE);
if (IS_ERR(obj)) {
err = PTR_ERR(obj);
goto cleanup;
@@ -197,21 +198,21 @@ static int igt_overcommit(void *arg)
quirk_add(obj, &objects);
vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, 0);
- if (!IS_ERR(vma) || PTR_ERR(vma) != -ENOSPC) {
- pr_err("Failed to evict+insert, i915_gem_object_ggtt_pin returned err=%d\n", (int)PTR_ERR(vma));
+ if (vma != ERR_PTR(-ENOSPC)) {
+ pr_err("Failed to evict+insert, i915_gem_object_ggtt_pin returned err=%d\n", (int)PTR_ERR_OR_ZERO(vma));
err = -EINVAL;
goto cleanup;
}
cleanup:
- cleanup_objects(i915, &objects);
+ cleanup_objects(ggtt, &objects);
return err;
}
static int igt_evict_for_vma(void *arg)
{
- struct drm_i915_private *i915 = arg;
- struct i915_ggtt *ggtt = &i915->ggtt;
+ struct intel_gt *gt = arg;
+ struct i915_ggtt *ggtt = gt->ggtt;
struct drm_mm_node target = {
.start = 0,
.size = 4096,
@@ -221,22 +222,26 @@ static int igt_evict_for_vma(void *arg)
/* Fill the GGTT with pinned objects and try to evict a range. */
- err = populate_ggtt(i915, &objects);
+ err = populate_ggtt(ggtt, &objects);
if (err)
goto cleanup;
/* Everything is pinned, nothing should happen */
+ mutex_lock(&ggtt->vm.mutex);
err = i915_gem_evict_for_node(&ggtt->vm, &target, 0);
+ mutex_unlock(&ggtt->vm.mutex);
if (err != -ENOSPC) {
pr_err("i915_gem_evict_for_node on a full GGTT returned err=%d\n",
err);
goto cleanup;
}
- unpin_ggtt(i915);
+ unpin_ggtt(ggtt);
/* Everything is unpinned, we should be able to evict the node */
+ mutex_lock(&ggtt->vm.mutex);
err = i915_gem_evict_for_node(&ggtt->vm, &target, 0);
+ mutex_unlock(&ggtt->vm.mutex);
if (err) {
pr_err("i915_gem_evict_for_node returned err=%d\n",
err);
@@ -244,7 +249,7 @@ static int igt_evict_for_vma(void *arg)
}
cleanup:
- cleanup_objects(i915, &objects);
+ cleanup_objects(ggtt, &objects);
return err;
}
@@ -257,8 +262,8 @@ static void mock_color_adjust(const struct drm_mm_node *node,
static int igt_evict_for_cache_color(void *arg)
{
- struct drm_i915_private *i915 = arg;
- struct i915_ggtt *ggtt = &i915->ggtt;
+ struct intel_gt *gt = arg;
+ struct i915_ggtt *ggtt = gt->ggtt;
const unsigned long flags = PIN_OFFSET_FIXED;
struct drm_mm_node target = {
.start = I915_GTT_PAGE_SIZE * 2,
@@ -270,14 +275,16 @@ static int igt_evict_for_cache_color(void *arg)
LIST_HEAD(objects);
int err;
- /* Currently the use of color_adjust is limited to cache domains within
- * the ggtt, and so the presence of mm.color_adjust is assumed to be
- * i915_gtt_color_adjust throughout our driver, so using a mock color
- * adjust will work just fine for our purposes.
+ /*
+ * Currently the use of color_adjust for the GGTT is limited to cache
+ * coloring and guard pages, and so the presence of mm.color_adjust for
+ * the GGTT is assumed to be i915_ggtt_color_adjust, hence using a mock
+ * color adjust will work just fine for our purposes.
*/
ggtt->vm.mm.color_adjust = mock_color_adjust;
+ GEM_BUG_ON(!i915_vm_has_cache_coloring(&ggtt->vm));
- obj = i915_gem_object_create_internal(i915, I915_GTT_PAGE_SIZE);
+ obj = i915_gem_object_create_internal(gt->i915, I915_GTT_PAGE_SIZE);
if (IS_ERR(obj)) {
err = PTR_ERR(obj);
goto cleanup;
@@ -293,7 +300,7 @@ static int igt_evict_for_cache_color(void *arg)
goto cleanup;
}
- obj = i915_gem_object_create_internal(i915, I915_GTT_PAGE_SIZE);
+ obj = i915_gem_object_create_internal(gt->i915, I915_GTT_PAGE_SIZE);
if (IS_ERR(obj)) {
err = PTR_ERR(obj);
goto cleanup;
@@ -313,7 +320,9 @@ static int igt_evict_for_cache_color(void *arg)
i915_vma_unpin(vma);
/* Remove just the second vma */
+ mutex_lock(&ggtt->vm.mutex);
err = i915_gem_evict_for_node(&ggtt->vm, &target, 0);
+ mutex_unlock(&ggtt->vm.mutex);
if (err) {
pr_err("[0]i915_gem_evict_for_node returned err=%d\n", err);
goto cleanup;
@@ -324,7 +333,9 @@ static int igt_evict_for_cache_color(void *arg)
*/
target.color = I915_CACHE_L3_LLC;
+ mutex_lock(&ggtt->vm.mutex);
err = i915_gem_evict_for_node(&ggtt->vm, &target, 0);
+ mutex_unlock(&ggtt->vm.mutex);
if (!err) {
pr_err("[1]i915_gem_evict_for_node returned err=%d\n", err);
err = -EINVAL;
@@ -334,36 +345,40 @@ static int igt_evict_for_cache_color(void *arg)
err = 0;
cleanup:
- unpin_ggtt(i915);
- cleanup_objects(i915, &objects);
+ unpin_ggtt(ggtt);
+ cleanup_objects(ggtt, &objects);
ggtt->vm.mm.color_adjust = NULL;
return err;
}
static int igt_evict_vm(void *arg)
{
- struct drm_i915_private *i915 = arg;
- struct i915_ggtt *ggtt = &i915->ggtt;
+ struct intel_gt *gt = arg;
+ struct i915_ggtt *ggtt = gt->ggtt;
LIST_HEAD(objects);
int err;
/* Fill the GGTT with pinned objects and try to evict everything. */
- err = populate_ggtt(i915, &objects);
+ err = populate_ggtt(ggtt, &objects);
if (err)
goto cleanup;
/* Everything is pinned, nothing should happen */
+ mutex_lock(&ggtt->vm.mutex);
err = i915_gem_evict_vm(&ggtt->vm);
+ mutex_unlock(&ggtt->vm.mutex);
if (err) {
pr_err("i915_gem_evict_vm on a full GGTT returned err=%d]\n",
err);
goto cleanup;
}
- unpin_ggtt(i915);
+ unpin_ggtt(ggtt);
+ mutex_lock(&ggtt->vm.mutex);
err = i915_gem_evict_vm(&ggtt->vm);
+ mutex_unlock(&ggtt->vm.mutex);
if (err) {
pr_err("i915_gem_evict_vm on a full GGTT returned err=%d]\n",
err);
@@ -371,14 +386,16 @@ static int igt_evict_vm(void *arg)
}
cleanup:
- cleanup_objects(i915, &objects);
+ cleanup_objects(ggtt, &objects);
return err;
}
static int igt_evict_contexts(void *arg)
{
const u64 PRETEND_GGTT_SIZE = 16ull << 20;
- struct drm_i915_private *i915 = arg;
+ struct intel_gt *gt = arg;
+ struct i915_ggtt *ggtt = gt->ggtt;
+ struct drm_i915_private *i915 = gt->i915;
struct intel_engine_cs *engine;
enum intel_engine_id id;
struct reserved {
@@ -404,14 +421,14 @@ static int igt_evict_contexts(void *arg)
if (!HAS_FULL_PPGTT(i915))
return 0;
- mutex_lock(&i915->drm.struct_mutex);
wakeref = intel_runtime_pm_get(&i915->runtime_pm);
/* Reserve a block so that we know we have enough to fit a few rq */
memset(&hole, 0, sizeof(hole));
- err = i915_gem_gtt_insert(&i915->ggtt.vm, &hole,
+ mutex_lock(&ggtt->vm.mutex);
+ err = i915_gem_gtt_insert(&ggtt->vm, &hole,
PRETEND_GGTT_SIZE, 0, I915_COLOR_UNEVICTABLE,
- 0, i915->ggtt.vm.total,
+ 0, ggtt->vm.total,
PIN_NOEVICT);
if (err)
goto out_locked;
@@ -421,15 +438,17 @@ static int igt_evict_contexts(void *arg)
do {
struct reserved *r;
+ mutex_unlock(&ggtt->vm.mutex);
r = kcalloc(1, sizeof(*r), GFP_KERNEL);
+ mutex_lock(&ggtt->vm.mutex);
if (!r) {
err = -ENOMEM;
goto out_locked;
}
- if (i915_gem_gtt_insert(&i915->ggtt.vm, &r->node,
+ if (i915_gem_gtt_insert(&ggtt->vm, &r->node,
1ul << 20, 0, I915_COLOR_UNEVICTABLE,
- 0, i915->ggtt.vm.total,
+ 0, ggtt->vm.total,
PIN_NOEVICT)) {
kfree(r);
break;
@@ -441,13 +460,13 @@ static int igt_evict_contexts(void *arg)
count++;
} while (1);
drm_mm_remove_node(&hole);
- mutex_unlock(&i915->drm.struct_mutex);
+ mutex_unlock(&ggtt->vm.mutex);
pr_info("Filled GGTT with %lu 1MiB nodes\n", count);
/* Overfill the GGTT with context objects and so try to evict one. */
- for_each_engine(engine, i915, id) {
+ for_each_engine(engine, gt, id) {
struct i915_sw_fence fence;
- struct drm_file *file;
+ struct file *file;
file = mock_file(i915);
if (IS_ERR(file)) {
@@ -456,7 +475,6 @@ static int igt_evict_contexts(void *arg)
}
count = 0;
- mutex_lock(&i915->drm.struct_mutex);
onstack_fence_init(&fence);
do {
struct i915_request *rq;
@@ -474,8 +492,8 @@ static int igt_evict_contexts(void *arg)
if (IS_ERR(rq)) {
/* When full, fail_if_busy will trigger EBUSY */
if (PTR_ERR(rq) != -EBUSY) {
- pr_err("Unexpected error from request alloc (ctx hw id %u, on %s): %d\n",
- ctx->hw_id, engine->name,
+ pr_err("Unexpected error from request alloc (on %s): %d\n",
+ engine->name,
(int)PTR_ERR(rq));
err = PTR_ERR(rq);
}
@@ -493,20 +511,18 @@ static int igt_evict_contexts(void *arg)
count++;
err = 0;
} while(1);
- mutex_unlock(&i915->drm.struct_mutex);
-
onstack_fence_fini(&fence);
pr_info("Submitted %lu contexts/requests on %s\n",
count, engine->name);
- mock_file_free(i915, file);
+ fput(file);
if (err)
break;
}
- mutex_lock(&i915->drm.struct_mutex);
+ mutex_lock(&ggtt->vm.mutex);
out_locked:
- if (igt_flush_test(i915, I915_WAIT_LOCKED))
+ if (igt_flush_test(i915))
err = -EIO;
while (reserved) {
struct reserved *next = reserved->next;
@@ -518,8 +534,8 @@ out_locked:
}
if (drm_mm_node_allocated(&hole))
drm_mm_remove_node(&hole);
+ mutex_unlock(&ggtt->vm.mutex);
intel_runtime_pm_put(&i915->runtime_pm, wakeref);
- mutex_unlock(&i915->drm.struct_mutex);
return err;
}
@@ -541,11 +557,8 @@ int i915_gem_evict_mock_selftests(void)
if (!i915)
return -ENOMEM;
- mutex_lock(&i915->drm.struct_mutex);
with_intel_runtime_pm(&i915->runtime_pm, wakeref)
- err = i915_subtests(tests, i915);
-
- mutex_unlock(&i915->drm.struct_mutex);
+ err = i915_subtests(tests, &i915->gt);
drm_dev_put(&i915->drm);
return err;
@@ -557,8 +570,8 @@ int i915_gem_evict_live_selftests(struct drm_i915_private *i915)
SUBTEST(igt_evict_contexts),
};
- if (i915_terminally_wedged(i915))
+ if (intel_gt_is_wedged(&i915->gt))
return 0;
- return i915_subtests(tests, i915);
+ return intel_gt_live_subtests(tests, &i915->gt);
}
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