[Intel-gfx] [PATCH 2/2] drm/i915/edp/jsl: Update vswing table for HBR and HBR2

Jani Nikula jani.nikula at linux.intel.com
Mon Sep 28 17:15:29 UTC 2020


On Mon, 28 Sep 2020, "Surendrakumar Upadhyay, TejaskumarX"	<tejaskumarx.surendrakumar.upadhyay at intel.com> wrote:
> This is a good example of a potential trap that having
> IS_ELKHARTLAKE() cover both ELK and JSP creates. An unsuspecting coder
> might change the if ladder to have IS_ELKHARTLAKE() first, and the
> subsequent IS_JASPERLAKE() branch would never be taken.
>
> BR,
> Jani.
>
> Tejas : In that case I will put attention note in comment about
> platform checks such that ladder distrubance can be avoided. What you
> suggest?

The solution is to make IS_ELKHARTLAKE() mean ELK and only ELK.

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Graphics Center


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