i915_gem_object_is_readonly
if (i915_gem_object_is_readonly(obj)) {
if (i915_gem_object_is_readonly(obj) && write) {
if (i915_gem_object_is_readonly(vma->obj))
if (i915_gem_object_is_readonly(obj))
if (i915_gem_object_is_readonly(vma->obj))
if (!i915_gem_object_is_readonly(obj))
!i915_gem_object_is_readonly(obj),