[Intel-gfx] [PATCH 03/10] drm/i915/icl: No need to early bailout on interrupt

[Daniele Ceraolo Spurio]

On 20/09/18 07:33, Mika Kuoppala wrote:
> Getting interrupt without any second level indications
> is unlikely.

Do you have any numbers for this? I remember seeing empty interrupts 
quite often (i.e. up to 5-10%) in early testing on workloads submitting 
lots of no-ops due to the double buffering, when both events ended up 
being serviced by the first interrupt. The code was different at the 
time though, so those might just have been due to less optimal SW 
handing, but I'd be curious to see the numbers if you have any.

Thanks,
Daniele