Re: [RFC PATCH 00/11] Refactor HW workaround code

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Quoting Oscar Mateo (2017-10-09 21:58:15)
> Currently, deciding how/where to apply new workarounds is challenging. Often,
> workarounds end up applied incorrectly and get lost under certain circumstances
> (e.g. a context switch or a GPU reset). This is a proposal to attempt to
> eliminate some of this pain, by clarifying the current classification of
> workarounds (context saved/restored, global registers, whitelisting, BB),
> putting them together on the same file, and improving the existing validation
> infrastructure (debugfs/i-g-t).

One thing I've been dreaming of is if we can have an external file for
importing the w/a (reg offset + corrected value) that we could source
directly from spec. (Hoping for some xml translation to C or DT.)

We need something like this so that we can set all the nonpriv registers
to the default value in the proto-context. Or at least lots of patience
and careful proofreading.
-Chris
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