https://kosagi.com/w/index.php?title=EDP_Display_Controller_diagnostic:_it6251-dump-dptx&feed=atom&action=history
EDP Display Controller diagnostic: it6251-dump-dptx - Revision history
2024-03-28T20:52:56Z
Revision history for this page on the wiki
MediaWiki 1.31.0
https://kosagi.com/w/index.php?title=EDP_Display_Controller_diagnostic:_it6251-dump-dptx&diff=1831&oldid=prev
Robbw at 20:38, 5 January 2016
2016-01-05T20:38:32Z
<p></p>
<table class="diff diff-contentalign-left" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 20:38, 5 January 2016</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td>
<td colspan="2" class="diff-lineno">Line 1:</td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==eDP Display Controller diagnostic==</ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>it6251-dump-dptx is a utility to dump the [https://en.wikipedia.org/wiki/Extended_Display_Identification_Data EDID] information from an attached display over the DPTX channel of the IT6251 used in the eDp Adapter. This helps to determine if the display adapter is present and functional.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>it6251-dump-dptx is a utility to dump the [https://en.wikipedia.org/wiki/Extended_Display_Identification_Data EDID] information from an attached display over the DPTX channel of the IT6251 used in the eDp Adapter. This helps to determine if the display adapter is present and functional.</div></td></tr>
</table>
Robbw
https://kosagi.com/w/index.php?title=EDP_Display_Controller_diagnostic:_it6251-dump-dptx&diff=1830&oldid=prev
Robbw: Created page with " it6251-dump-dptx is a utility to dump the [https://en.wikipedia.org/wiki/Extended_Display_Identification_Data EDID] information from an attached display over the DPTX channel..."
2016-01-05T20:35:06Z
<p>Created page with " it6251-dump-dptx is a utility to dump the [https://en.wikipedia.org/wiki/Extended_Display_Identification_Data EDID] information from an attached display over the DPTX channel..."</p>
<p><b>New page</b></p><div><br />
it6251-dump-dptx is a utility to dump the [https://en.wikipedia.org/wiki/Extended_Display_Identification_Data EDID] information from an attached display over the DPTX channel of the IT6251 used in the eDp Adapter. This helps to determine if the display adapter is present and functional.<br />
<br />
The source code can be found here: https://github.com/xobs/it6251-dump-dptx<br />
<br />
Sample output, from a Novena laptop, looks like this:<br />
<br />
robb@novena:~/it6251-dump-dptx$ ./it6251-dump-dptx<br />
reg0E = 90, Link Rate = HBRreg0D = 3e, HPD Video Stable<br />
frequency = 27648000, xCnt = 1<br />
Data Enable start: (114, 30)<br />
Modeline "1920x1080" 27.648 1920 2004 2050 2080 1080 1106 1108 1112 -HSync -VSync<br />
00000000 00 ff ff ff ff ff ff 00 0d ae 43 13 00 00 00 00 |..........C.....|<br />
00000010 34 15 01 04 a5 1c 10 78 02 93 ad a9 53 4c 96 25 |4......x....SL.%|<br />
00000020 11 4f 53 00 00 00 01 01 01 01 01 01 01 01 01 01 |.OS.............|<br />
00000030 01 01 01 01 01 01 36 36 80 a0 70 38 20 40 2e 1e |......66..p8 @..|<br />
00000040 24 00 1a a5 10 00 00 18 00 00 00 10 00 38 20 40 |$............8 @|<br />
00000050 2e 1e 24 00 1a a5 10 00 00 18 00 00 00 fe 00 43 |..$............C|<br />
00000060 4d 4e 0a 20 20 20 20 20 20 20 20 20 00 00 00 fe |MN. ....|<br />
00000070 00 4e 31 33 33 48 53 45 2d 45 41 31 0a 20 00 95 |.N133HSE-EA1. ..|<br />
00000080 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|<br />
00000090 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|<br />
000000a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|<br />
000000b0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|<br />
000000c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|<br />
000000d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|<br />
000000e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|<br />
000000f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|<br />
<br />
N133HSE is the model number of the Chimei Innolux LCD panel used on the laptop.<br />
<br />
(Note that the utility can report "HPD Video Unstable" when the screen is shutdown e.g. for power saving.)</div>
Robbw