[PATCH v2 8/9] drm/i915/pxp: On MTL, KCR enabling doesn't wait on tee component

Teres Alexis, Alan Previn alan.previn.teres.alexis at intel.com
Tue Jan 24 00:15:07 UTC 2023


Thanks - will go with your suggestion - ditch all the abstraction / consolidation ..
add only the two additional calls with the explicit runtime-takes - that minimizes the changes.
And won't forget to the fix the '&' -> '&&'
...alan

On Wed, 2023-01-18 at 18:17 -0800, Ceraolo Spurio, Daniele wrote:
> 
> 
> On 1/11/2023 1:42 PM, Alan Previn wrote:
> > On legacy platforms, KCR HW enabling is done at the time the mei
> > component interface is bound. It's also disabled during unbind.
> > However, for MTL onwards, we don't depend on the tee-component
> > operation before we can start sending GSC-CS firmware messages.
> > 
> > Thus, immediately enable KCR HW on PXP's init, fini and resume.
alan:snip..


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