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path: root/drivers/gpu/drm
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-rw-r--r--drivers/gpu/drm/i915/selftests/i915_buddy.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/selftests/i915_buddy.c b/drivers/gpu/drm/i915/selftests/i915_buddy.c
index 1b856bae67b5..939a6caebb03 100644
--- a/drivers/gpu/drm/i915/selftests/i915_buddy.c
+++ b/drivers/gpu/drm/i915/selftests/i915_buddy.c
@@ -298,10 +298,12 @@ static void igt_mm_config(u64 *size, u64 *chunk_size)
static int igt_buddy_alloc_smoke(void *arg)
{
struct i915_buddy_mm mm;
- int max_order;
+ IGT_TIMEOUT(end_time);
+ I915_RND_STATE(prng);
u64 chunk_size;
u64 mm_size;
- int err;
+ int *order;
+ int err, i;
igt_mm_config(&mm_size, &chunk_size);
@@ -313,10 +315,16 @@ static int igt_buddy_alloc_smoke(void *arg)
return err;
}
- for (max_order = mm.max_order; max_order >= 0; max_order--) {
+ order = i915_random_order(mm.max_order + 1, &prng);
+ if (!order)
+ goto out_fini;
+
+ for (i = 0; i <= mm.max_order; ++i) {
struct i915_buddy_block *block;
- int order;
+ int max_order = order[i];
+ bool timeout = false;
LIST_HEAD(blocks);
+ int order;
u64 total;
err = igt_check_mm(&mm);
@@ -360,6 +368,11 @@ retry:
}
total += i915_buddy_block_size(&mm, block);
+
+ if (__igt_timeout(end_time, NULL)) {
+ timeout = true;
+ break;
+ }
} while (total < mm.size);
if (!err)
@@ -373,7 +386,7 @@ retry:
pr_err("post-mm check failed\n");
}
- if (err)
+ if (err || timeout)
break;
cond_resched();
@@ -382,6 +395,8 @@ retry:
if (err == -ENOMEM)
err = 0;
+ kfree(order);
+out_fini:
i915_buddy_fini(&mm);
return err;