MergedFB CRTC2 limiting CRTC1

Alex Deucher alexdeucher at
Sun Apr 1 11:07:17 PDT 2007

On 4/1/07, Michel Dänzer <michel at> wrote:
> I looked into this a bit and it appears twofold:
>       * RADEONRecalcDefaultVirtualSize overwrites the virtual size
>         instead of only growing it, fixed by first patch attached.
>       * RADEONGenerateModeList only links common modes by default
>         instead of also the largest modes, fixed by second patch
>         attached.
> Do these look good?

Thanks for fixing this.  These patches look good to me.

> I feel this is still too limiting as I e.g. have a lot of modes on CRTC1
> that I'd like to use in clone mode as well, and defining metamodes for
> all of them manually would be tedious. I'll play with creating metamodes
> by default for all 'sensible' combinations by default, but feel free to
> beat me to it.

I had thought about that sort of thing as well, but I suspect our time
is better spent working on randr1.2 support.


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