[Nouveau] [Bug 40747] [NV44] dual-link tmds no longer allowed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=40747

--- Comment #23 from Robert Hancock <hancockrwd at gmail.com> ---
This RHEL bug report is related:

https://bugzilla.redhat.com/show_bug.cgi?id=681257

The NVIDIA binary driver seems to use reduced-blanking DVI modes by default on
this chipset which allows for 1600x1200 resolution to be usable with
single-link DVI. Nouveau does not do this, which leaves you stuck with a lower
resolution.

The spec sheets for the card in question there (Quadro NVS 285) list that it
supports 1900x1200x60Hz on DVI. The binary driver reports 155 MHz as the
maximum TMDS pixel clock.

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