[PATCH] Radeon Xpress 200M freeze fix

Matthias Hopf mhopf at suse.de
Tue Dec 15 08:32:20 PST 2009


On Dec 15, 09 10:57:37 -0500, Alex Deucher wrote:
> Thanks for looking at this Matthias.   Based on your findings, I think
> the issue is that the crtc must be enabled when  the crtc timing is
> programmed since you didn't touch the dpms code which also disables
> the crtc when the head is dpms off.  Also, in the last hunk of the
> patch do you mean to force crtc1 or crtc2 on?
> You have
> +	save->crtc_gen_cntl |= RADEON_CRTC2_EN;
> presumably it should be:
> +	save->crtc2_gen_cntl |= RADEON_CRTC2_EN;

Err, right. Apparently, only crtc1 was enabled, otherwise it would still
freeze... :-/

> Does this updated patch work?  If so, I'll apply it.

I'll test it now, but I assume so.

Matthias

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Matthias Hopf <mhopf at suse.de>      __        __   __
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