drm-misc-fixes-2021-07-22

Thomas Zimmermann

@tzimmermann

7bbcb919 · drm/panel: raspberrypi-touchscreen: Prevent double-free · Jul 22, 2021

Short summary of fixes pull:

 * Return -ENOTTY for non-DRM ioctls
 * amdgpu: Fix COW checks
 * nouveau: init BO GME fields
 * panel: Avoid double free
 * ttm: Fix refcounting in ttm_global_init(); NULL checks
 * vc4: Fix interrupt handling