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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][DRMTIP] igt@kms_frontbuffer_tracking@ - incomplete - BUG: unable to handle kernel NULL pointer dereference at 0000000000000080 in intel_psr_set_debugfs_mode"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107792#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][DRMTIP] igt@kms_frontbuffer_tracking@ - incomplete - BUG: unable to handle kernel NULL pointer dereference at 0000000000000080 in intel_psr_set_debugfs_mode"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107792">bug 107792</a>
from <span class="vcard"><a class="email" href="mailto:dhinakaran.pandiyan@intel.com" title="Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>"> <span class="fn">Dhinakaran Pandiyan</span></a>
</span></b>
<pre>There is a patch from Chris to fix this -
drm/i915: Be defensive and don't assume PSR has any commit to sync against
If the previous modeset commit has completed and is no longer part of
the crtc state, skip waiting for it.
Bugzilla: <a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI][DRMTIP] igt@kms_frontbuffer_tracking@ - incomplete - BUG: unable to handle kernel NULL pointer dereference at 0000000000000080 in intel_psr_set_debugfs_mode"
href="show_bug.cgi?id=107792">https://bugs.freedesktop.org/show_bug.cgi?id=107792</a>
Fixes: c44301fce614 ("drm/i915: Allow control of PSR at runtime through
debugfs, v6")
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com></pre>
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