Linux kernel bug fix: drm/i915: Split i915_active.mutex into an irq-safe spinlock for the rbtree
Subsystem: gpu/i915 (drivers/gpu/drm/i915/i915_active_types.h)
Bug type: crash, severity: high
Files changed: drivers/gpu/drm/i915/i915_active.c;drivers/gpu/drm/i915/i915_active_types.h
Introduced by Chris Wilson on 2019-10-04 15:39:10 +0100; fixed by Chris Wilson on 2019-11-20 11:53:00 +0200 (lifetime: 46 days)