[Openchrome-devel] [Bug 95059] 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

--- Comment #26 from Kevin Brace <kevinbrace at gmx.com> ---
Hi Justin,

Can you try the latest code (Version 0.5.159) along with the patch I just
uploaded?
For Version 0.5.159, I made changes to the way DVI coming from the integrated
TMDS transmitter detects the receiver on the other end.
It is not really too sophisticated, and all I did was to check a different
register bit position that supposedly senses DVI presence for the integrated
TMDS transmitter.
VIA documentation is not 100% clear on this bit's role, so it might not work
correctly.
It appears that VX900 chipset's integrated TMDS transmitter is connected to the
DVI-D port, so for the Version 0.5.159 test, please hook up your monitor to the
DVI-D port.
    Regarding the patch I just uploaded, it should be applied over Version
0.5.159.
The patch changes Silicon Image SiI 164 TMDS transmitter's register settings.
I am using the "suggested" settings rather than the settings that came from
VT1632(A) that worked with Wyse thin clients. (Vx0 and Cx0 models)
Of course, for SiI 164 test, you have to use DVI-I port.
I hope both works.

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