Re: [PATCH v4 RESEND 0/4] Kernel PSR Fix-ups

[David Weinehall <david.weinehall@linux.intel.com>]

On Tue, Jul 25, 2017 at 09:48:07AM -0700, Jim Bride wrote:
> These patches, along with an upcoming series for IGT, enable our
> PSR IGT tests to run reliably once again on HSW, BDW, and SKL.
> The first change enables us to run the PSR tests on some RVP platforms
> whose panels have too slow of a setup time when running in their
> preferred mode.  The second fixes a minor problem with the way that
> we were initializing SRD_CTL that caused us to clobber a bit that we
> are not supposed to change in that register on SKL and KBL.  The third
> change re-introduces some changes to our link training code to be less
> aggressive about changing link state for eDP, because PSR depends on
> the link state being the same at PSR exit as it was at PSR entry.
> The fourth change greatly increases the reliability of reading the
> sink CRC generated by the eDP panel.
> 
> v2 Highlights:
>    * Rebased to current drm-tip
>    * Greatly reduced looping around trying to read sink CRC (Jani)
>    * Reduce amount of changes in the sink CRC patch (Jani)
>    * Field-wise init of EDP_PSR_MAX_SLEEP_TIME (Rodrigo)
>    * Minor commit message / cover letter tweaks
> 
> v3:
>    * Re-ordered patches to put reviewed patches first.
>    * Rebased to current drm-tip
> 
> v4: 
>    * Addressed review feedback (see patches for details)
>    * Rebase

Is this a pure resend, or does it include any fixes on top of earlier
versions? As mentioned elsewhere I experienced issues with both your
previous patch series and the two before that one.

I'll run a new testrun with this series just in case (it might be that
the issues I noticed were caused by bad interaction with some other
component).


Kind regards, David Weinehall
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