On Mon, 28 Sep 2020, Matt Roper <matthew.d.ro...@intel.com> wrote:
> Why are we adding IS_JASPERLAKE at all?  EHL/JSL are documented as the
> same graphics IP, but are paired with different PCHs in the final SoCs,
> which is what causes the minor differences in programming.  My
> understanding is that the voltage programming differences are ultimately
> due to that difference in PCH so we should just use HAS_PCH_MCC (EHL)
> and HAS_PCH_JSP (JSL) to distinguish which type of programming is needed
> rather than using a platform test.

Good point. If the difference is in the PCH, then of course the PCH
check should be used instead. Which avoids the problem altogether.

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Graphics Center
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