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drm/ttm: fix locking in test ttm_bo_validate_no_placement_signaled

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The test works even without it, but lockdep starts screaming when it is
activated.

Trivially fix it by acquiring the lock before we try to allocate
something.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20250710144129.1803-1-christian.koenig@amd.com
This commit is contained in:
Christian König
2025-07-10 15:45:20 +02:00
parent 0bcc0f5e98
commit 8b824e9d2d
1 changed files with 5 additions and 4 deletions
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9
drivers/gpu/drm/ttm/tests/ttm_bo_validate_test.c
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@@ -542,14 +542,15 @@ static void ttm_bo_validate_no_placement_signaled(struct kunit *test)
bo->ttm = old_tt;
}
err = ttm_resource_alloc(bo, place, &bo->resource, NULL);
KUNIT_EXPECT_EQ(test, err, 0);
KUNIT_ASSERT_EQ(test, man->usage, size);
placement = kunit_kzalloc(test, sizeof(*placement), GFP_KERNEL);
KUNIT_ASSERT_NOT_NULL(test, placement);
ttm_bo_reserve(bo, false, false, NULL);
err = ttm_resource_alloc(bo, place, &bo->resource, NULL);
KUNIT_EXPECT_EQ(test, err, 0);
KUNIT_ASSERT_EQ(test, man->usage, size);
err = ttm_bo_validate(bo, placement, &ctx);
ttm_bo_unreserve(bo);