<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><span class="vcard"><a class="email" href="mailto:cancan.feng@intel.com" title="cancan,feng <cancan.feng@intel.com>"> <span class="fn">cancan,feng</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW] native mode 3840x2160 not supported on 4K TV with HDMI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67030">bug 67030</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>NEEDINFO
</td>
<td>NEW
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW] native mode 3840x2160 not supported on 4K TV with HDMI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67030#c17">Comment # 17</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW] native mode 3840x2160 not supported on 4K TV with HDMI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=67030">bug 67030</a>
from <span class="vcard"><a class="email" href="mailto:cancan.feng@intel.com" title="cancan,feng <cancan.feng@intel.com>"> <span class="fn">cancan,feng</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=67030#c16">comment #16</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=67030#c15">comment #15</a>)
> > About VGA, the binary edid is 0 bit, and I can't grab EDID by using "xrandr
> > --verbose".
>
> But apparently you have a mod list for VGA ... Can you please double-check?
> Please also check in /sys/class/drm/*/edid in case X is eating the edid.
>
> If the edid isn't there for VGA I think we need to file a 2nd bug for this
> screen on haswell+vga.</span >
You are right..
EDID of VGA:
00ffffffffffff004d77010001000000
1c1601031f5d3478ca31c3a3554a9b24
10474aafcf0001010101010101010101
0101010101011a3680a070381f403020
3500a20b3200001a000000fd0032551f
460f000a202020202020000000fc0053
6b79776f727468205548440a00000010
0053563432325856540a2020202000ee</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 the assignee for the bug.</li>
</ul>
</body>
</html>