diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2020-03-12 15:47:08 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-03-12 20:41:50 +0000 |
| commit | c46c320c02d041cb793f22550d4fc5a03d209205 (patch) | |
| tree | 1d0513b1d21771b3be7a5736a20bb93eda0aae06 /drivers/gpu/drm/i915 | |
| parent | 7dc8f1143778a35b190f9413f228b3cf28f67f8d (diff) | |
drm/i915/selftests: Use igt_random_offset()
Switch igt_vm_isolation() to using igt_random_offset().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200312154708.1720-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c | 9 |
1 files changed, 4 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..54b86cf7f5d2 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 +1827,10 @@ 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; + /* Leave enough space at offset 0 for the batch */ + offset = igt_random_offset(&prng, + I915_GTT_PAGE_SIZE, vm_total, + sizeof(u32), alignof_dword); err = write_to_scratch(ctx_a, engine, offset, 0xdeadbeef); |