[Intel-gfx] [PATCH v2] drm/i915/hdcp: Update CP as per the kernel internal state

[Chris Wilson]

Quoting Anshuman Gupta (2020-05-15 08:10:06)
> On 2020-05-15 at 07:56:25 +0100, Chris Wilson wrote:
> > Quoting Anshuman Gupta (2020-05-15 07:10:29)
> > > Somewhere in the line, state machine to set content protection to
> > > DESIRED from kernel was broken and IGT coverage was missing for it.
> > > This patch fixes it.
> > 
> > It's strange that you mention IGT, since what tests being run by CI
> > never pass and have not been fixed for several months. As well as the
> Actually IGT fix for the coverge was worked upon after discovering this issue.
> https://patchwork.freedesktop.org/patch/349542/?series=72264&rev=1
> above patch requires to merge after kernel patch.
> > sporadic HDCP failures affecting unrelated tests, which have not
> > appeared to have received any attention either.
> This bug was not failing any igt subtest, as igt test coverage was missing, 
> content protection igt test were passing.

I'm referring to the existing failures in kms_content_protection -- it
is a failure across the board in CI. Not to mention the sporadic OOPSes
caused by CP.
-Chris