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drm/i915/selftest: allow larger memory allocation

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Due to changes in allocator, the size of the allocation for
contiguous region is not rounded up to a power-of-two and
instead allocated as is. Thus, change the part of test that
expected the allocation to fail.

Signed-off-by: Mikolaj Wasiak <mikolaj.wasiak@intel.com>
Reviewed-by: Krzysztof Karas <krzysztof.karas@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Krzysztof Niemiec <krzysztof.niemiec@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://lore.kernel.org/r/fptevdfbclvg2lbfuys5ibffbl2baouywkutnr7vdsy5tzcqfk@mpflwlh6jxfd
This commit is contained in:
Mikolaj Wasiak 2025-05-09 09:57:18 +02:00 committed by Andi Shyti
parent ff868667a4
commit 5dff172414
1 changed files with 3 additions and 11 deletions
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14
drivers/gpu/drm/i915/selftests/intel_memory_region.c
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@ -413,15 +413,8 @@ static int igt_mock_splintered_region(void *arg)
close_objects(mem, &objects);
/*
* While we should be able allocate everything without any flag
* restrictions, if we consider I915_BO_ALLOC_CONTIGUOUS then we are
* actually limited to the largest power-of-two for the region size i.e
* max_order, due to the inner workings of the buddy allocator. So make
* sure that does indeed hold true.
*/
obj = igt_object_create(mem, &objects, size, I915_BO_ALLOC_CONTIGUOUS);
obj = igt_object_create(mem, &objects, roundup_pow_of_two(size),
I915_BO_ALLOC_CONTIGUOUS);
if (!IS_ERR(obj)) {
pr_err("%s too large contiguous allocation was not rejected\n",
__func__);
@ -429,8 +422,7 @@ static int igt_mock_splintered_region(void *arg)
goto out_close;
}
obj = igt_object_create(mem, &objects, rounddown_pow_of_two(size),
I915_BO_ALLOC_CONTIGUOUS);
obj = igt_object_create(mem, &objects, size, I915_BO_ALLOC_CONTIGUOUS);
if (IS_ERR(obj)) {
pr_err("%s largest possible contiguous allocation failed\n",
__func__);