Quoting Tvrtko Ursulin (2019-05-02 14:19:38)
>
> On 01/05/2019 12:45, Chris Wilson wrote:
> > diff --git a/drivers/gpu/drm/i915/i915_gem_pm.c b/drivers/gpu/drm/i915/i915_gem_pm.c
> > index 49b0ce594f20..ae91ad7cb31e 100644
> > --- a/drivers/gpu/drm/i915/i915_gem_pm.c
> > +++ b/drivers/gpu/drm/i915/i915_gem_pm.c
> > @@ -29,12 +29,12 @@ static void i915_gem_park(struct drm_i915_private *i915)
> > static void idle_work_handler(struct work_struct *work)
> > {
> > struct drm_i915_private *i915 =
> > - container_of(work, typeof(*i915), gem.idle_work.work);
> > + container_of(work, typeof(*i915), gem.idle_work);
> >
> > mutex_lock(&i915->drm.struct_mutex);
> >
> > intel_wakeref_lock(&i915->gt.wakeref);
> > - if (!intel_wakeref_active(&i915->gt.wakeref))
> > + if (!intel_wakeref_active(&i915->gt.wakeref) && !work_pending(work))
>
> What is the reason for the !work_pending check?
Just that we are going to be called again, so wait until the next time to
see if we still need to park.
-Chris
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