tv s-video out on RV410 (or R400 in general) revisited

Alex Deucher alexdeucher at
Mon Apr 8 07:02:41 PDT 2013

On Fri, Apr 5, 2013 at 5:53 PM, Dennis New <dennisn at> wrote:
> On Sat, 15 May 2010 07:13:53 -0400, Alex Deucher wrote:
>> On Fri, May 14, 2010 at 2:26 PM, Dennis Nezic
>> <dennisn at> wrote:
>> > says it is "mostly" implemented.
>> > Where can I find out what that means? Should it be "implemented but
>> > buggy" on my rv410 card?
>> No one's really ever gotten it working reliably on r4xx cards.  The tv
>> encoder is pretty much the same as the older asics (r1xx-r3xx),
>> however, I think there is some gpio magic required to get it working
>> properly.
> Where can I find the latest information about this card, specifically
> about this feature? The table in
> says tvout should be supported, but the manpage
> seems to imply it's not.
> (Any idea what the aforementioned "gpio magic" might be, in case that's
> what's needed?)

Nothing has changed. AFAIK, it still doesn't work on 4xx.  I don't
know what is required to fix it off hand.


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