[Bug 17922] radeon driver fails for RS482 [Xpress 200], did work with Xorg-6.9

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=17922





--- Comment #1 from Alex Deucher <agd5f at yahoo.com>  2008-10-06 08:05:09 PST ---
Created an attachment (id=19410)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=19410)
possible fix

XPRESS chips use external TMDS which we've never really had working correctly
in most cases.  It's worked in pre-randr versions of the driver mostly by luck.
 This patch against ati git master attempts to use the hw i2c engine which may
work better than using sw bit banging.


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