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    <body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [CI][SHARDS] igt@gem_linear_blits@interruptible - incomplete - GEM_BUG_ON(atomic_read(&obj->mm.pages_pin_count) < atomic_read(&obj->bind_count))"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=112067">bug 112067</a>
          <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
          </tr>

         <tr>
           <td style="text-align:right;">Resolution</td>
           <td>---
           </td>
           <td>FIXED
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Status</td>
           <td>NEW
           </td>
           <td>RESOLVED
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [CI][SHARDS] igt@gem_linear_blits@interruptible - incomplete - GEM_BUG_ON(atomic_read(&obj->mm.pages_pin_count) < atomic_read(&obj->bind_count))"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=112067#c4">Comment # 4</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [CI][SHARDS] igt@gem_linear_blits@interruptible - incomplete - GEM_BUG_ON(atomic_read(&obj->mm.pages_pin_count) < atomic_read(&obj->bind_count))"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=112067">bug 112067</a>
              from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
        <pre>commit dde01d943559f6b853d97a2744433d9ad1b12ace (HEAD -> drm-intel-next-queued,
drm-intel/drm-intel-next-queued)
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date:   Wed Oct 30 19:21:49 2019 +0000

    drm/i915: Split detaching and removing the vma

    In order to keep the assert_bind_count() valid, we need to hold the vma
    page reference until after we drop the bind count. However, we must also
    keep the drm_mm_remove_node() as the last action of i915_vma_unbind() so
    that it serialises with the unlocked check inside i915_vma_destroy(). So
    we need to split up i915_vma_remove() so that we order the detach, drop
    pages and remove as required during unbind.

    Bugzilla: <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - [CI][SHARDS] igt@gem_linear_blits@interruptible - incomplete - GEM_BUG_ON(atomic_read(&obj->mm.pages_pin_count) < atomic_read(&obj->bind_count))"
   href="show_bug.cgi?id=112067">https://bugs.freedesktop.org/show_bug.cgi?id=112067</a>
    Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
    Cc: Matthew Auld <<a href="mailto:matthew.auld@intel.com">matthew.auld@intel.com</a>>
    Reviewed-by: Matthew Auld <<a href="mailto:matthew.auld@intel.com">matthew.auld@intel.com</a>>
    Link:
<a href="https://patchwork.freedesktop.org/patch/msgid/20191030192159.18404-1-chris@chris-wilson.co.uk">https://patchwork.freedesktop.org/patch/msgid/20191030192159.18404-1-chris@chris-wilson.co.uk</a></pre>
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