[Intel-gfx] [PATCH] drm/i915/gt:fix raw-wakeref not held calltrace in vGPU

[Yan Zhao]

On Tue, Aug 11, 2020 at 09:26:11AM +0100, Chris Wilson wrote:
> Quoting Yan Zhao (2020-08-11 04:02:09)
> > UNCORE_HAS_FORCEWAKE is not turned on when intel_vgpu_active() returns
> > true, so the guest mmio writes go to gen2_write32().
> 
> The vgpu writes are just memory traps, the device wakeref should not be
> required. It seems like we've accidentally added the assert to the wrong
> io accessors.
yes. if vgpu writes de not go to gen2_write, or if gen2_write does not
need such assert, it would be better.

Thanks
Yan