<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<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_NEW "
title="NEW --- - No beamer on VGA"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83348">bug 83348</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;">Assignee</td>
<td>chris@chris-wilson.co.uk
</td>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<td style="text-align:right;">CC</td>
<td>
</td>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<td style="text-align:right;">Product</td>
<td>xorg
</td>
<td>DRI
</td>
</tr>
<tr>
<td style="text-align:right;">Component</td>
<td>Driver/intel
</td>
<td>DRM/Intel
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - No beamer on VGA"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83348#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - No beamer on VGA"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83348">bug 83348</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>To be clear about the sequence of events:
You boot up without the projector attached, and then once the system is up and
you have logged in, you attach the projector using VGA.
The last thing in the dmesg is:
[ 479.148038] [drm:intel_hpd_irq_handler], Received HPD interrupt on PIN 4 -
cnt: 0
[ 479.148085] [drm:i915_hotplug_work_func], running encoder hotplug functions
[ 479.148090] [drm:i915_hotplug_work_func], Connector HDMI-A-1 (pin 4)
received hotplug event.
[ 479.148093] [drm:i915_hotplug_work_func], Connector DP-1 (pin 4) received
hotplug event.
[ 479.148099] [drm:intel_hdmi_detect], [CONNECTOR:18:HDMI-A-1]
[ 479.148285] [drm:gmbus_xfer], GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
[ 479.148300] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter
i915 gmbus dpb
[ 479.148307] [drm:intel_hpd_irq_event], [CONNECTOR:18:HDMI-A-1] status
updated from 2 to 2
[ 479.148318] [drm:intel_dp_detect], [CONNECTOR:22:DP-1]
[ 479.148648] [drm:intel_dp_get_dpcd], DPCD: 11 0a 82 01 00 03 01 81 00 00 00
00 00 00 00
[ 479.151523] [drm:intel_dp_i2c_aux_ch], aux_i2c nack
[ 479.152770] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 479.155201] [drm:intel_dp_i2c_aux_ch], aux_i2c nack
[ 479.156365] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 479.158640] [drm:intel_dp_i2c_aux_ch], aux_i2c nack
[ 479.159845] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 479.162171] [drm:intel_dp_i2c_aux_ch], aux_i2c nack
[ 479.163361] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 479.165640] [drm:intel_dp_i2c_aux_ch], aux_i2c nack
[ 479.166867] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 479.166874] [drm:intel_dp_detect_dpcd], Broken DP branch device, ignoring
[ 479.166880] [drm:intel_hpd_irq_event], [CONNECTOR:22:DP-1] status updated
from 2 to 2
[ 479.251691] [drm:intel_hpd_irq_handler], Received HPD interrupt on PIN 4 -
cnt: 1
[ 479.251742] [drm:i915_hotplug_work_func], running encoder hotplug functions
[ 479.251752] [drm:i915_hotplug_work_func], Connector HDMI-A-1 (pin 4)
received hotplug event.
[ 479.251761] [drm:i915_hotplug_work_func], Connector DP-1 (pin 4) received
hotplug event.
[ 479.251770] [drm:intel_hdmi_detect], [CONNECTOR:18:HDMI-A-1]
[ 479.251966] [drm:gmbus_xfer], GMBUS [i915 gmbus dpb] NAK for addr: 0050 r(1)
[ 479.251976] [drm:drm_do_probe_ddc_edid], drm: skipping non-existent adapter
i915 gmbus dpb
[ 479.251980] [drm:intel_hpd_irq_event], [CONNECTOR:18:HDMI-A-1] status
updated from 2 to 2
[ 479.251985] [drm:intel_dp_detect], [CONNECTOR:22:DP-1]
[ 479.252328] [drm:intel_dp_get_dpcd], DPCD: 11 0a 82 01 00 03 01 81 00 00 00
00 00 00 00
[ 479.255185] [drm:intel_dp_i2c_aux_ch], aux_i2c nack
[ 479.256454] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 479.258762] [drm:intel_dp_i2c_aux_ch], aux_i2c nack
[ 479.259998] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 479.262330] [drm:intel_dp_i2c_aux_ch], aux_i2c nack
[ 479.263536] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 479.265814] [drm:intel_dp_i2c_aux_ch], aux_i2c nack
[ 479.267049] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 479.269332] [drm:intel_dp_i2c_aux_ch], aux_i2c nack
[ 479.270446] [drm:i2c_algo_dp_aux_xfer], dp_aux_xfer return -121
[ 479.270452] [drm:intel_dp_detect_dpcd], Broken DP branch device, ignoring
[ 479.270458] [drm:intel_hpd_irq_event], [CONNECTOR:22:DP-1] status updated
from 2 to 2
which I wonder if that is the projector being plugged in.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
<li>You are on the CC list for the bug.</li>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>