[Openchrome-devel] [Bug 95059] New: DVI port failure with external TMDS transimitter for T510/T5555/C90LE thin clients

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95059

            Bug ID: 95059
           Summary: DVI port failure with external TMDS transimitter for
                    T510/T5555/C90LE thin clients
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/openchrome
          Assignee: openchrome-devel at lists.freedesktop.org
          Reporter: huangranbj at 126.com

With my latest testing for DVI port with UMS 0.4.0 driver, here is the current
status for the result of my thin clients:

                              DVI-I            DVI-D
HP T510(VX900)                fail             suc
HP T5555(VX900)               fail             suc
Wyse C90LE(VX855)             fail              X 
Wyse V90LE(CN700)             suc               X

   From the result we tested, it shows for DVI-D port for T510/T5555, the UMS
driver is working fine; By contrast, for T510/T5555 DVI-I port, the UMS driver
is failed to work. The possible reason is that DVI-I uses a external TMDS
transmitter Silicon Image Sil164 which current UMS driver does not support.
   For V90LE and C90LE, the result is very interesting because they both uses
VT1632 as the external TMDS transmitter, but the result is totally different.

Thanks,
Frank

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