From: Mikolaj Wasiak Date: Fri, 9 May 2025 07:57:18 +0000 (+0200) Subject: drm/i915/selftest: allow larger memory allocation X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=5dff17241483d934d8a72633fb2c2b7eaf2d91a3;p=users%2Fjedix%2Flinux-maple.git drm/i915/selftest: allow larger memory allocation 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 Reviewed-by: Krzysztof Karas Reviewed-by: Andi Shyti Reviewed-by: Krzysztof Niemiec Signed-off-by: Andi Shyti Link: https://lore.kernel.org/r/fptevdfbclvg2lbfuys5ibffbl2baouywkutnr7vdsy5tzcqfk@mpflwlh6jxfd --- diff --git a/drivers/gpu/drm/i915/selftests/intel_memory_region.c b/drivers/gpu/drm/i915/selftests/intel_memory_region.c index f08f6674911ee..7b856b5090f9a 100644 --- a/drivers/gpu/drm/i915/selftests/intel_memory_region.c +++ b/drivers/gpu/drm/i915/selftests/intel_memory_region.c @@ -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__);