[PATCH 0/2] drm/i915/gt: Locking splats PREEMPT_RT

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Subject: [PATCH 0/2] drm/i915/gt: Locking splats PREEMPT_RT
From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Date: Wed, 8 Sep 2021 20:57:01 +0200
Cc: David Airlie <airlied@xxxxxxxx>, Daniel Vetter <daniel@xxxxxxxx>, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>, Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>, Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Clark Williams <williams@xxxxxxxxxx>

Clark Williams reported two issues with the i915 driver running on
PREEMPT_RT. While #1 looks simple I have no idea about #2 thus the RFC.

Sebastian

Follow-Ups:
- [PATCH 1/2] drm/i915/gt: Queue and wait for the irq_work item.
  - From: Sebastian Andrzej Siewior
- [RFC PATCH 2/2] drm/i915/gt: Use spin_lock_irq() instead of local_irq_disable() + spin_lock()
  - From: Sebastian Andrzej Siewior

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