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<body><span class="vcard"><a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> <span class="fn">Jani Nikula</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - I915 driver caused VGA got no ignal after plug-out then plug-in the VGA cable"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101044">bug 101044</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>NEEDINFO
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - I915 driver caused VGA got no ignal after plug-out then plug-in the VGA cable"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101044#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - I915 driver caused VGA got no ignal after plug-out then plug-in the VGA cable"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101044">bug 101044</a>
from <span class="vcard"><a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> <span class="fn">Jani Nikula</span></a>
</span></b>
<pre>The hardware in question does not have VGA natively. There's a DP-to-VGA branch
adapter. The unplug can be seen in the logs, but there's no hotplug event for
the re-plug.
Please try this:
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 1ae9de5cf39c..0d28b6dc4153 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2468,6 +2468,8 @@ void intel_dp_sink_dpms(struct intel_dp *intel_dp, int
mode)
{
int ret, i;
+ return;
+
/* Should have a valid DPCD by this point */
if (intel_dp->dpcd[DP_DPCD_REV] < 0x11)
return;</pre>
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