The atyfb driver currently in the 2.6 kernel series
doesn't support TV-out abilities on
videocards/motherboards that have TV-out ports and know
how to use them properly. Attempts to use TV-out when
using the atyfb framebuffer driver here has only
resulted in white lines flying across the screen. The
current workaround is to use the vesafb driver at an
appropriate lower resolution, but that means that
framebuffer is unaccelerated for the most part, and
significantly hinders the performance of framebuffer
applications. And on the 333Mhz or less systems usually
sporting this chipset, every drop of performance is
absolutely crucial.
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Forgot to mention
Code from this project may be useful:
http://www.stud.uni-hamburg.de/users/lennart/projects/atitvout/