Re: [Intel-gfx] [PATCH v2 0/3] drm/i915/guc/slpc: Implement waitboost for SLPC

Belgaumkar, Vinay
2021-11-02T00:19:15Z

On 11/1/2021 1:24 PM, Dixit, Ashutosh wrote:
> On Sun, 31 Oct 2021 21:39:34 -0700, Belgaumkar, Vinay wrote:
>>
>> Waitboost is a legacy feature implemented in the Host Turbo algorithm. This
>> patch set implements it for the SLPC path. A "boost" happens when user
>> calls gem_wait ioctl on a submission that has not landed on HW yet.
>
> Afaiu user doesn't have to call gem_wait, the boost will happen whenever a
> request waits to be submitted to GuC because of an unmet depedency. This
> has to be done from i915 because GuC has not yet seen the request.
>
> Rest of the cover letter is fine.

Ok, thanks,
Vinay.
>