Chris Wilson <[email protected]> writes:

> Quoting Mika Kuoppala (2018-10-02 15:05:52)
>> Don't keep master disabled while we handle the current
>> interrupts. This should help a little on latency of
>> generating the next interrupt.
>> 
>> Suggested-by: Chris Wilson <[email protected]>
>> Cc: Chris Wilson <[email protected]>
>> Signed-off-by: Mika Kuoppala <[email protected]>
>> ---
>>  drivers/gpu/drm/i915/i915_irq.c | 4 +---
>>  1 file changed, 1 insertion(+), 3 deletions(-)
>> 
>> diff --git a/drivers/gpu/drm/i915/i915_irq.c 
>> b/drivers/gpu/drm/i915/i915_irq.c
>> index 5d1f53723388..9d8d5fb68c84 100644
>> --- a/drivers/gpu/drm/i915/i915_irq.c
>> +++ b/drivers/gpu/drm/i915/i915_irq.c
>> @@ -3163,9 +3163,6 @@ static irqreturn_t gen11_irq_handler(int irq, void 
>> *arg)
>>                 return IRQ_NONE;
>>         }
>>  
>> -       /* Find, clear, then process each source of interrupt. */
>> -       gen11_gt_irq_handler(i915, master_ctl);
>> -
>>         /* IRQs are synced during runtime_suspend, we don't require a 
>> wakeref */
>>         if (master_ctl & GEN11_DISPLAY_IRQ) {
>>                 const u32 disp_ctl = raw_reg_read(regs, 
>> GEN11_DISPLAY_INT_CTL);
>> @@ -3183,6 +3180,7 @@ static irqreturn_t gen11_irq_handler(int irq, void 
>> *arg)
>>  
>>         gen11_master_intr_enable(regs);
>>  
>> +       gen11_gt_irq_handler(i915, master_ctl);
>
> Are we not still acking GT_INTR_DW at this point?

We are.
-Mika

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