[Intel-gfx] [PATCH] drm/i915/tc: Implement the TC cold exit sequence

[Imre Deak]

On Tue, Oct 22, 2019 at 03:03:18AM +0300, Souza, Jose wrote:
> [...] 
> Makes sense, well the only doubt that I have is if getting
> POWER_DOMAIN_AUX_<port>_TBT will prevent TCCOLD for legacy and alt-
> mode, 

Why do we need to care about POWER_DOMAIN_AUX_<port>_TBT? It doesn't
affect the TCCOLD state and we shouldn't get it here.

> as at this point we still don't know if it is alt-mode, TBT or
> legacy(we know that is legacy but live status could be reporting
> something else tc_port_fixup_legacy_flag())

We enable the non-TBT AUX power and then drop after the mode is already
known and it's other than legacy.

--Imre