[Intel-gfx] Fixes that failed to apply to v5.11-rc4

[Chris Wilson]

Quoting Jani Nikula (2021-02-02 07:15:18)
> On Mon, 18 Jan 2021, Jani Nikula <jani.nikula at intel.com> wrote:
> > The following commits have been marked as Cc: stable or fixing something
> > in v5.11-rc4 or earlier, but failed to cherry-pick to
> > drm-intel-fixes. Please see if they are worth backporting, and please do
> > so if they are.
> >
> > Conflicts:
> > dbe13ae1d6ab ("drm/i915/pmu: Don't grab wakeref when enabling events")
> > 9bb36cf66091 ("drm/i915: Check for rq->hwsp validity after acquiring RCU lock")
> > 5b4dc95cf7f5 ("drm/i915/gt: Prevent use of engine->wa_ctx after error")
> > 6a3daee1b38e ("drm/i915/selftests: Fix some error codes")
> > 67fba3f1c73b ("drm/i915/dp: Fix LTTPR vswing/pre-emp setting in non-transparent mode")
> >
> > Fails to build:
> > 3170a21f7059 ("drm/i915: Only enable DFP 4:4:4->4:2:0 conversion when outputting YCbCr 4:4:4")
> >
> > BR,
> > Jani.
> 
> Update.
> 
> Conflicts:
> 5b4dc95cf7f5 ("drm/i915/gt: Prevent use of engine->wa_ctx after error")

Already in 488751a0ef9b ("drm/i915/gt: Prevent use of engine->wa_ctx after error")

> 6a3daee1b38e ("drm/i915/selftests: Fix some error codes")

No user or even likely CI impact, not worth backporting [unless it turns
up later as a prerequisite].

> 67fba3f1c73b ("drm/i915/dp: Fix LTTPR vswing/pre-emp setting in non-transparent mode")
> 699390f7f026 ("drm/i915: Fix the PHY compliance test vs. hotplug mishap")
> e7004ea4f5f5 ("drm/i915/gt: Close race between enable_breadcrumbs and cancel_breadcrumbs")

Required at least one other friend.

There's another patch that we need in fixes for v5.10, so I'll include
that: drm/i915/gem: Drop lru bumping on display unpinning

I've put the 3 patches on fdo,
https://cgit.freedesktop.org/~ickle/linux-2.6/log/?h=dif

Hopefully they are a happy bunch.

p.s. 5.11-rc6 kills CI.
-Chris