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path: root/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c')
-rw-r--r--drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c88
1 files changed, 48 insertions, 40 deletions
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index 99a9ade73956..0d250d57496a 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -7,6 +7,8 @@
#include <linux/highmem.h>
#include <linux/prime_numbers.h>
+#include <drm/drm_print.h>
+
#include "gem/i915_gem_internal.h"
#include "gem/i915_gem_lmem.h"
#include "gem/i915_gem_region.h"
@@ -1096,32 +1098,20 @@ static int ___igt_mmap_migrate(struct drm_i915_private *i915,
unsigned long addr,
bool unfaultable)
{
- struct vm_area_struct *area;
- int err = 0, i;
+ int i;
pr_info("igt_mmap(%s, %d) @ %lx\n",
obj->mm.region->name, I915_MMAP_TYPE_FIXED, addr);
- mmap_read_lock(current->mm);
- area = vma_lookup(current->mm, addr);
- mmap_read_unlock(current->mm);
- if (!area) {
- pr_err("%s: Did not create a vm_area_struct for the mmap\n",
- obj->mm.region->name);
- err = -EINVAL;
- goto out_unmap;
- }
-
for (i = 0; i < obj->base.size / sizeof(u32); i++) {
u32 __user *ux = u64_to_user_ptr((u64)(addr + i * sizeof(*ux)));
u32 x;
if (get_user(x, ux)) {
- err = -EFAULT;
if (!unfaultable) {
pr_err("%s: Unable to read from mmap, offset:%zd\n",
obj->mm.region->name, i * sizeof(x));
- goto out_unmap;
+ return -EFAULT;
}
continue;
@@ -1130,37 +1120,29 @@ static int ___igt_mmap_migrate(struct drm_i915_private *i915,
if (unfaultable) {
pr_err("%s: Faulted unmappable memory\n",
obj->mm.region->name);
- err = -EINVAL;
- goto out_unmap;
+ return -EINVAL;
}
if (x != expand32(POISON_INUSE)) {
pr_err("%s: Read incorrect value from mmap, offset:%zd, found:%x, expected:%x\n",
obj->mm.region->name,
i * sizeof(x), x, expand32(POISON_INUSE));
- err = -EINVAL;
- goto out_unmap;
+ return -EINVAL;
}
x = expand32(POISON_FREE);
if (put_user(x, ux)) {
pr_err("%s: Unable to write to mmap, offset:%zd\n",
obj->mm.region->name, i * sizeof(x));
- err = -EFAULT;
- goto out_unmap;
+ return -EFAULT;
}
}
- if (unfaultable) {
- if (err == -EFAULT)
- err = 0;
- } else {
- obj->flags &= ~I915_BO_ALLOC_GPU_ONLY;
- err = wc_check(obj);
- }
-out_unmap:
- vm_munmap(addr, obj->base.size);
- return err;
+ if (unfaultable)
+ return 0;
+
+ obj->flags &= ~I915_BO_ALLOC_GPU_ONLY;
+ return wc_check(obj);
}
#define IGT_MMAP_MIGRATE_TOPDOWN (1 << 0)
@@ -1176,6 +1158,7 @@ static int __igt_mmap_migrate(struct intel_memory_region **placements,
struct drm_i915_private *i915 = placements[0]->i915;
struct drm_i915_gem_object *obj;
struct i915_request *rq = NULL;
+ struct vm_area_struct *area;
unsigned long addr;
LIST_HEAD(objects);
u64 offset;
@@ -1207,20 +1190,30 @@ static int __igt_mmap_migrate(struct intel_memory_region **placements,
goto out_put;
}
+ mmap_read_lock(current->mm);
+ area = vma_lookup(current->mm, addr);
+ mmap_read_unlock(current->mm);
+ if (!area) {
+ pr_err("%s: Did not create a vm_area_struct for the mmap\n",
+ obj->mm.region->name);
+ err = -EINVAL;
+ goto out_addr;
+ }
+
if (flags & IGT_MMAP_MIGRATE_FILL) {
err = igt_fill_mappable(placements[0], &objects);
if (err)
- goto out_put;
+ goto out_addr;
}
err = i915_gem_object_lock(obj, NULL);
if (err)
- goto out_put;
+ goto out_addr;
err = i915_gem_object_pin_pages(obj);
if (err) {
i915_gem_object_unlock(obj);
- goto out_put;
+ goto out_addr;
}
err = intel_context_migrate_clear(to_gt(i915)->migrate.context, NULL,
@@ -1228,7 +1221,7 @@ static int __igt_mmap_migrate(struct intel_memory_region **placements,
i915_gem_object_is_lmem(obj),
expand32(POISON_INUSE), &rq);
i915_gem_object_unpin_pages(obj);
- if (rq) {
+ if (rq && !err) {
err = dma_resv_reserve_fences(obj->base.resv, 1);
if (!err)
dma_resv_add_fence(obj->base.resv, &rq->fence,
@@ -1237,7 +1230,7 @@ static int __igt_mmap_migrate(struct intel_memory_region **placements,
}
i915_gem_object_unlock(obj);
if (err)
- goto out_put;
+ goto out_addr;
if (flags & IGT_MMAP_MIGRATE_EVICTABLE)
igt_make_evictable(&objects);
@@ -1245,16 +1238,16 @@ static int __igt_mmap_migrate(struct intel_memory_region **placements,
if (flags & IGT_MMAP_MIGRATE_FAIL_GPU) {
err = i915_gem_object_lock(obj, NULL);
if (err)
- goto out_put;
+ goto out_addr;
/*
- * Ensure we only simulate the gpu failuire when faulting the
+ * Ensure we only simulate the gpu failure when faulting the
* pages.
*/
err = i915_gem_object_wait_moving_fence(obj, true);
i915_gem_object_unlock(obj);
if (err)
- goto out_put;
+ goto out_addr;
i915_ttm_migrate_set_failure_modes(true, false);
}
@@ -1298,6 +1291,9 @@ static int __igt_mmap_migrate(struct intel_memory_region **placements,
}
}
+out_addr:
+ vm_munmap(addr, obj->base.size);
+
out_put:
i915_gem_object_put(obj);
igt_close_objects(i915, &objects);
@@ -1342,7 +1338,7 @@ static int igt_mmap_migrate(void *arg)
}
/*
- * Allocate in the mappable portion, should be no suprises here.
+ * Allocate in the mappable portion, should be no surprises here.
*/
err = __igt_mmap_migrate(mixed, ARRAY_SIZE(mixed), mr, 0);
if (err)
@@ -1837,6 +1833,8 @@ static int igt_mmap_revoke(void *arg)
int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
{
+ int ret;
+ bool unuse_mm = false;
static const struct i915_subtest tests[] = {
SUBTEST(igt_partial_tiling),
SUBTEST(igt_smoke_tiling),
@@ -1848,5 +1846,15 @@ int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
SUBTEST(igt_mmap_gpu),
};
- return i915_live_subtests(tests, i915);
+ if (!current->mm) {
+ kthread_use_mm(current->active_mm);
+ unuse_mm = true;
+ }
+
+ ret = i915_live_subtests(tests, i915);
+
+ if (unuse_mm)
+ kthread_unuse_mm(current->active_mm);
+
+ return ret;
}
generated by cgit (git 2.34.1) at 2025-12-26 05:12:21 +0000