On 17/12/15 14:21, Chris Wilson wrote:
On Thu, Dec 17, 2015 at 01:46:58PM +0000, Tvrtko Ursulin wrote:list_for_each_entry_safe(vma, next, &obj->vma_list, obj_link) { - int ret; - vma->pin_count = 0; - ret = i915_vma_unbind(vma); - if (WARN_ON(ret == -ERESTARTSYS)) { - bool was_interruptible; - - was_interruptible = dev_priv->mm.interruptible; - dev_priv->mm.interruptible = false; - - WARN_ON(i915_vma_unbind(vma)); - - dev_priv->mm.interruptible = was_interruptible; - } + i915_vma_close(vma);In what circumstances can there be any VMAs still left unclosed at this point? I thought i915_gem_close_object would had closed them all.diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 688162703070..edfa5ebc4e77 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3857,7 +3857,14 @@ void i915_gem_free_object(struct drm_gem_object *gem_obj) trace_i915_gem_object_destroy(obj); + /* All file-owned VMA should have been released by this point (through + * i915_gem_close_object). However, the object may also be bound into + * the global GTT (e.g. older GPUs without per-process support, or + * for direct access through the GTT either for the user or for + * scanout). Those VMA still need to unbound now. + */ list_for_each_entry_safe(vma, next, &obj->vma_list, obj_link) { + RQ_BUG_ON(!i915_is_ggtt(vma->vm)); RQ_BUG_ON(vma->active); vma->pin_count = 0; i915_vma_close(vma);
Ah yes, I've missed that detail. Very good to have it in a comment (and assert).
Regards, Tvrtko _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
