[Intel-gfx] [PATCH] drm/i915/bdw: Fix GEN8 GTT size calculation

Daniel Vetter daniel at ffwll.ch
Mon Mar 17 18:03:47 CET 2014


On Mon, Mar 17, 2014 at 5:17 PM, Woodhouse, David
<david.woodhouse at intel.com> wrote:
> I think I have found this problem on the IOMMU side. We usually assume
> that RMRRs are for boot-time only, such as USB controllers for the
> legacy keyboard/mouse emulation. And a patch sneaked in which
> effectively *unmaps* the RMRR regions when you do the first "real"
> mapping for the driver. Having fixed that, I think I should no longer
> see these DMA faults.

Which commit is this? I've a patch+bug report that stolen + dmar is busted.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch



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