Since we are secretly using execbuf to write into an object's location, then read back from the object we must manually handle the domain changes. Closes: https://gitlab.freedesktop.org/drm/intel/issues/314 Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> --- tests/i915/gem_vm_create.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tests/i915/gem_vm_create.c b/tests/i915/gem_vm_create.c index cbd273d9d..e14b07b5f 100644 --- a/tests/i915/gem_vm_create.c +++ b/tests/i915/gem_vm_create.c @@ -324,11 +324,15 @@ static void isolation(int i915) gem_execbuf(i915, &eb); /* bind object into vm[0] */ /* Verify the trick with the assumed target address works */ + gem_set_domain(i915, obj[0].handle, + I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); write_to_address(i915, ctx[0], obj[0].offset, 1); gem_read(i915, obj[0].handle, 0, &result, sizeof(result)); igt_assert_eq(result, 1); /* Now check that we can't write to vm[0] from second fd/vm */ + gem_set_domain(i915, obj[0].handle, + I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); write_to_address(other, ctx[1], obj[0].offset, 2); gem_read(i915, obj[0].handle, 0, &result, sizeof(result)); igt_assert_eq(result, 1); -- 2.25.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx