[Bug 109099] pipe error 0x00000080 not handled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109099

Lakshmi <lakshminarayana.vudum at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ville.syrjala at linux.intel.c
                   |                            |om

--- Comment #14 from Lakshmi <lakshminarayana.vudum at intel.com> ---
(In reply to Ville Syrjala from comment #11)
> I don't see anything about vt-d in the boot log, but I'm tempted to blame it
> anyway.
> 
> You could try something like this:
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h
> b/drivers/gpu/drm/i915/i915_drv.h
> index 453af7438e67..5b4cd1dfd787 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -2593,6 +2593,7 @@ static inline unsigned int i915_sg_segment_size(void)
>  
>  static inline bool intel_vtd_active(void)
>  {
> +       return true;
>  #ifdef CONFIG_INTEL_IOMMU
>         if (intel_iommu_gfx_mapped)
>                 return true;

(In reply to olaf from comment #12)
> Yes, enforcing "intel_iommu_gfx_mapped" helps.

@Ville, what are the next steps here?

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