[Intel-gfx] [PATCH 4/4] drm/i915: ILK + VT-d workaround
daniel at ffwll.ch
Tue Oct 18 00:35:06 PDT 2011
On Mon, Oct 17, 2011 at 03:51:55PM -0700, Ben Widawsky wrote:
> 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 at bwidawsk.net>
Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Mail: daniel at ffwll.ch
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