[Intel-gfx] [PATCH v3] drm/i915: Force GPU Freq to lowest while suspending.

[Deepak S]

On Thursday 19 June 2014 06:04 PM, Daniel Vetter wrote:
> On Fri, Jun 20, 2014 at 1:59 PM,  <deepak.s at linux.intel.com> wrote:
>> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
>> index 2043c4b..6bbb90b 100644
>> --- a/drivers/gpu/drm/i915/intel_pm.c
>> +++ b/drivers/gpu/drm/i915/intel_pm.c
>> @@ -4881,6 +4881,9 @@ void intel_suspend_gt_powersave(struct drm_device *dev)
>>          /* Interrupts should be disabled already to avoid re-arming. */
>>          WARN_ON(dev->irq_enabled);
>>
>> +       /* Force GPU to min freq during suspend */
>> +       gen6_rps_idle(dev_priv);
>> +
> Shouldn't this be _after_ we've cancelled the rps works? Otherwise the
> work item might sneak in and undo the idling between the idle and work
> cancelling.
> -Daniel

My mistake sending updated patch, -Deepak