<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<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 --- - [IVB dp dongle] Aplle miniDP-to-VGA fails link training"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69128">bug 69128</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;">Status</td>
<td>NEW
</td>
<td>NEEDINFO
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [IVB dp dongle] Aplle miniDP-to-VGA fails link training"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69128#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [IVB dp dongle] Aplle miniDP-to-VGA fails link training"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69128">bug 69128</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>(In reply to <a href="show_bug.cgi?id=69128#c6">comment #6</a>)
<span class="quote">> I fetched intel-dp-fixes branch of this repo to Daniel's tree, then build a
> kernel, this issue come up again.</span >
Hmm, please try the below patch on top of:
<span class="quote">> commit c030533419ec5f9ce042bafb6f40368f310181f8
> Author: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>>
> Date: Wed Sep 11 14:46:20 2013 +0300
>
> drm/i915/dp: read DPCD PSR capability only on eDP</span >
Thanks.
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 08f9d2d..97063b3 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -677,7 +677,7 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
*/
if (intel_dp->dpcd[DP_DOWNSTREAMPORT_PRESENT] &
DP_DWN_STRM_PORT_PRESENT)
- usleep_range(500, 600);
+ usleep_range(5000, 7000);
else
usleep_range(300, 400);
continue;</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>
</ul>
</body>
</html>