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

Dixit, Ashutosh
2021-11-01T20:34:19Z

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.