Ben Widawsky 5c0422878f 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>

2011-10-20 15:26:39 -07:00

1.5 KiB

Raw Blame History

View Raw