This is now used intentionally to prevent proliferation of is-pinned checks upon the inactive list following: commit 1b50247a8ddde4af5aaa0e6bc125615372ce6c16 Author: Chris Wilson <chris at chris-wilson.co.uk> Date: Tue Apr 24 15:47:30 2012 +0100 drm/i915: Remove the list of pinned inactive objects Reported-and-tested-by: guang.a.yang at intel.com Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=50075 Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk> --- drivers/gpu/drm/i915/i915_gem.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 402726d..99f816c 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2040,10 +2040,8 @@ i915_gem_object_unbind(struct drm_i915_gem_object *obj) if (obj->gtt_space == NULL) return 0; - if (obj->pin_count != 0) { - DRM_ERROR("Attempting to unbind pinned buffer\n"); - return -EINVAL; - } + if (obj->pin_count) + return -EBUSY; ret = i915_gem_object_finish_gpu(obj); if (ret) -- 1.7.10