[Bug 75241] radeon_compute_pll_avivo broken in 3.15-rc3

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Fri May 2 05:37:39 PDT 2014


--- Comment #4 from Christian König <deathsimple at vodafone.de> ---
(In reply to Clemens Ladisch from comment #3)
> 3.14:
> 16205, pll dividers - fb: 135.8 ref: 2, post 6
> With the patch:
> 162000 - 161990, pll dividers - fb: 271.5 ref: 4, post 6
> And the patch indeed fixes this.

Thanks allot for the info. Going to push the patch with the next bugfix

Could you try higher values for the limit as well and try to figure out what's
the maximum your monitor still can handle?

It might also make sense to temporary comment out that the following line and
see what you get for the parameters and if those still work fine:

avivo_reduce_ratio(&fb_div, &ref_div, fb_div_min, ref_div_min);

And by the way: What monitor is this?

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