[Intel-gfx] [PATCH v2 2/4] drm/i915/guc: Grab RPM wakelock while disabling GuC interrupts

[Chris Wilson]

Quoting Sagar Arun Kamble (2018-01-23 15:42:18)
> Disabling GuC interrupts involves access to GuC IRQ control registers
> hence ensure device is RPM awake.
> 
> v2: Add comment about need to synchronize flush work and log runtime
>     destroy
> 
> v3: Moved patch earlier in the series and removed comment about future
> work. (Tvrtko)
> 
> v4-v5: Rebase.
> 
> v6: Added assert_rpm_wakelock_held() to gen9_*_guc_interrupts. (Chris)
> 
> Signed-off-by: Sagar Arun Kamble <sagar.a.kamble at intel.com>
> Cc: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>

Looks self-consistent, so let's hope it doesn't generate any warnings ;)
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris