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Displayport MST: why do my laptop dockoutputs not work?
--client
lca
--show
lca_2015
--room OGGB_FP 9396 --force
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Marks
Author(s):
David Airlie
Location
OGGB F&P
Date
jan Wed 14
Days Raw Files
Start
14:15
First Raw Start
14:14
Duration
0:45:00
Offset
0:00:08
End
15:00
Last Raw End
15:00
Chapters
00:00
0:41:53
Total cuts_time
45 min.
http://lca2015.linux.org.au/schedule/30303/view_talk
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Displayport is a VESA standard for transporting video/audio/other data between devices, it is used on lots of laptop and monitors. The Displayport 1.2 standard introduced a new technology called multi-stream transport (MST), and a number of laptop dock manufacturers (Lenovo, Dell) started using this technology to provide the output ports on the dock. However nobody told the Linux community this was coming or at least nobody in the community noticed in time! So armed with a dock and shiny Lenovo laptop provided by the Red Hat IT department, David descended into the murky world of MST. This talk is his tale. From the laptop docks with Intel graphics, he migrated to the world of 32" monitors with MST requirements and hubs. He diverged into looking at ATI support, and nagged nouveau team members into looking at nvidia support.
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production notes
2015-01-14/14_14_52.dv
Apply:
14:14:52 - 14:56:45 ( 00:41:53 )
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2015-01-14/14_56_46.dv
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14:56:46 - 15:00:40 ( 00:03:54 )
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14:56:46
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15:00:40
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