[Intel-gfx] [PATCH v2] drm/i915/vgpu: Disallow loading on old vGPU hosts

[Chris Wilson]

Quoting Mika Kuoppala (2018-12-03 13:40:26)
> Chris Wilson <chris at chris-wilson.co.uk> writes:
> 
> > Since commit fd8526e50902 ("drm/i915/execlists: Trust the CSB") we
> > actually broke the force-mmio mode for our execlists implementation. No
> > one noticed, so ergo no one is actually using an old vGPU host (where we
> > required the older method) and so can simply remove the broken support.
> >
> > v2: csb_read can go as well (Mika)
> >
> > Reported-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
> > Fixes: fd8526e50902 ("drm/i915/execlists: Trust the CSB")
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> > Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> > Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
> > Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> 
> Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>

Pushed, thanks. That should make your extended CSB patches for icl that
much more straightforward, right?
-Chris