drm/i915: ILK + VT-d workaround
Idle the GPU before doing any unmaps. We know if VT-d is in use through an exported variable from iommu code. This should avoid a known HW issue. Signed-off-by:Ben Widawsky <ben@bwidawsk.net> Reviewed-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
Keith Packard <keithp@keithp.com>
parent
f372b854
Please register or sign in to comment