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

Chris Wilson chris at chris-wilson.co.uk
Tue Aug 11 08:26:11 UTC 2020


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.
-Chris


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