Merge tag 'drm-intel-gt-next-2024-02-28' of...

Merge tag 'drm-intel-gt-next-2024-02-28' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Driver Changes:

Fixes:

- Add some boring kerneldoc (Tvrtko Ursulin)
- Check before removing mm notifier (Nirmoy
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Zd889Wvu/ZKZSK4/@tursulin-desk

drivers/gpu/drm/i915/gem/i915_gem_userptr.c

@@ -349,6 +349,9 @@ i915_gem_userptr_release(struct drm_i915_gem_object *obj)
 {
 	GEM_WARN_ON(obj->userptr.page_ref);
 
+	if (!obj->userptr.notifier.mm)
+		return;
+
 	mmu_interval_notifier_remove(&obj->userptr.notifier);
 	obj->userptr.notifier.mm = NULL;
 }

include/uapi/drm/i915_drm.h

@@ -3572,9 +3572,13 @@ struct drm_i915_query_memory_regions {
  * struct drm_i915_query_guc_submission_version - query GuC submission interface version
  */
 struct drm_i915_query_guc_submission_version {
+	/** @branch: Firmware branch version. */
 	__u32 branch;
+	/** @major: Firmware major version. */
 	__u32 major;
+	/** @minor: Firmware minor version. */
 	__u32 minor;
+	/** @patch: Firmware patch version. */
 	__u32 patch;
 };