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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 - [BAT] igt@vgem_basic@dmabuf-export - incomplete - BUG: unable to handle kernel NULL pointer dereference at 0000000000000010"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103714">bug 103714</a>
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<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
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<td>RESOLVED
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BAT] igt@vgem_basic@dmabuf-export - incomplete - BUG: unable to handle kernel NULL pointer dereference at 0000000000000010"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103714#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [BAT] igt@vgem_basic@dmabuf-export - incomplete - BUG: unable to handle kernel NULL pointer dereference at 0000000000000010"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103714">bug 103714</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 0c51ef8684e30333ee2a7cef359258d91727166b
Author: Noralf Trønnes <<a href="mailto:noralf@tronnes.org">noralf@tronnes.org</a>>
Date: Tue Nov 14 00:12:01 2017 +0100
drm/debugfs: Fix framebuffer debugfs file init
The introduction of: drm/framebuffer: Add framebuffer debugfs file
broke vgem. That patch assumed that all drivers had initialized the
dev->mode_config.fb_lock mutex which happens in drm_mode_config_init().
vgem doesn't need to call drm_mode_config_init().
Fix this by only creating the framebuffer debugfs file for modesetting
drivers.
Fixes: 45d58b40292b ("drm/framebuffer: Add framebuffer debugfs file")
Suggested-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Signed-off-by: Noralf Trønnes <<a href="mailto:noralf@tronnes.org">noralf@tronnes.org</a>>
Reviewed-by: Dave Airlie <<a href="mailto:airlied@redhat.com">airlied@redhat.com</a>>
Signed-off-by: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>>
Link:
<a href="https://patchwork.freedesktop.org/patch/msgid/20171113231201.26177-1-noralf@tronnes.org">https://patchwork.freedesktop.org/patch/msgid/20171113231201.26177-1-noralf@tronnes.org</a></pre>
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