[Intel-gfx] kernel DMAR needed?

[Zhenyu Wang]

On 2009.09.03 17:47:05 -0700, Tony Bones wrote:
> Does anyone know if DMAR is still needed for the G45 with intel driver 2.8.0/
> 2009Q2 package?
> 
> 
>     CONFIG_DMAR=y
>     # CONFIG_DMAR_DEFAULT_ON is not set
>     CONFIG_DMAR_GFX_WA=y
> 
> 
> Was using kernel 2.6.30.5 boot param  intel_iommu=on
> Haven't tried  intel_iommu=igfx_off  yet.
> 
> Does any of this affect how suspend/resume works? 
> 

If you turn on DMAR, you still need GFX_WA now before David pushs
his intel-iommu tree for 2.6.32. This should not affect suspend/resume.

-- 
Open Source Technology Center, Intel ltd.

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