On Fri, Aug 22, 2014 at 09:23:53PM +0200, Hans de Goede wrote:
> Hi Luc,
> 
> Right, the problem is that the hdmi encoder has its own 4 divider
> register bits, and those contain m not m-1, and coding 16 (so m),
> rather then 15 (so m - 1) won't fit in 4 bits. The 1 million dollar
> question is what a divider value of 0 will actually do in the
> hdmi encoder bits, but unless you've a really clever way to figure
> that out, I guess we will never no.
>
> So your right that 1-16 will work for the lcd controller, and thus also
> for vga out (which I assume is what you used to do the testing on the
> CRT), but the hdmi encoder can probably only do 1-15.

Ooh, damn, i totally missed that :)

Yeah, so 16 goes out of the window. It doesn't add any actually new 
dotclock values anyway. Will add a big comment.

Great catch!

As for the hdmi bits, i still need to go figure out how i got to those 8 
months ago. I am a bit all over the place atm, but that's definitely 
high on my todo list, and i will post a set of new patches, with your 
additions, when i've done that.

Luc Verhaegen.

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