Quoting Sagar Arun Kamble (2018-03-16 06:04:03)
> i915_mch_val() called from i915_emon_status debugfs is not protected
> under rpm_get and mchdev_lock.
> Can that also be updated as part of this patch.
Actually, we can just do that unlocked since we know that debugfs
teardown is itself serialised
Quoting Sagar Arun Kamble (2018-03-16 04:58:22)
>
>
> On 3/14/2018 3:07 PM, Chris Wilson wrote:
> > Currently Ironlake operates under the assumption that rpm awake (and its
> > error checking is disabled). As such, we have missed a few places where we
> > access registers without taking the rpm w
i915_mch_val() called from i915_emon_status debugfs is not protected
under rpm_get and mchdev_lock.
Can that also be updated as part of this patch.
Thanks,
Sagar
On 3/14/2018 3:07 PM, Chris Wilson wrote:
Currently Ironlake operates under the assumption that rpm awake (and its
error checking is
On 3/14/2018 3:07 PM, Chris Wilson wrote:
Currently Ironlake operates under the assumption that rpm awake (and its
error checking is disabled). As such, we have missed a few places where we
access registers without taking the rpm wakeref and thus trigger
warnings. intel_ips being one culprit.
