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    <body><span class="vcard"><a class="email" href="mailto:lakshminarayana.vudum@intel.com" title="Lakshmi <lakshminarayana.vudum@intel.com>"> <span class="fn">Lakshmi</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - pipe error 0x00000080 not handled"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=109099">bug 109099</a>
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          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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           <td style="text-align:right;">CC</td>
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           <td>ville.syrjala@linux.intel.com
           </td>
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - pipe error 0x00000080 not handled"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=109099#c14">Comment # 14</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - pipe error 0x00000080 not handled"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=109099">bug 109099</a>
              from <span class="vcard"><a class="email" href="mailto:lakshminarayana.vudum@intel.com" title="Lakshmi <lakshminarayana.vudum@intel.com>"> <span class="fn">Lakshmi</span></a>
</span></b>
        <pre>(In reply to Ville Syrjala from <a href="show_bug.cgi?id=109099#c11">comment #11</a>)
<span class="quote">> 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;</span >

(In reply to olaf from <a href="show_bug.cgi?id=109099#c12">comment #12</a>)
<span class="quote">> Yes, enforcing "intel_iommu_gfx_mapped" helps.</span >

@Ville, what are the next steps here?</pre>
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