Switch igt_vm_isolation() to using igt_random_offset().
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.a...@intel.com>
Cc: Akeem G Abodunrin <akeem.g.abodun...@intel.com>
---
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
index 77c7e65de7c3..62157e7567da 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
@@ -1809,7 +1809,6 @@ static int igt_vm_isolation(void *arg)
vm_total = ctx_vm(ctx_a)->total;
GEM_BUG_ON(ctx_vm(ctx_b)->total != vm_total);
- vm_total -= I915_GTT_PAGE_SIZE;
count = 0;
num_engines = 0;
@@ -1828,10 +1827,9 @@ static int igt_vm_isolation(void *arg)
u32 value = 0xc5c5c5c5;
u64 offset;
- div64_u64_rem(i915_prandom_u64_state(&prng),
- vm_total, &offset);
- offset = round_down(offset, alignof_dword);
- offset += I915_GTT_PAGE_SIZE;
+ offset = igt_random_offset(&prng, 0, vm_total,
+ I915_GTT_PAGE_SIZE,
+ I915_GTT_PAGE_SIZE);
err = write_to_scratch(ctx_a, engine,
offset, 0xdeadbeef);
--
2.20.1
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