[Bug 75241] radeon_compute_pll_avivo broken in 3.15-rc3

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=75241

--- Comment #15 from Christian König <deathsimple at vodafone.de> ---
(In reply to Tasev Nikola from comment #14)
> I tried different value from 128 to 90 for the ref_div_max but none work
> with my Belinea 1600x1200 screen.

Try going down to at least 32, this would match the behaviour on 3.14.

The problem is that in both the working and broken case the calculated
parameters are the same.

Broken: [   23.511041] [drm:radeon_compute_pll_avivo] 162000 - 161990, pll
dividers - fb: 1425.4 ref: 21, post 6

Working: [   23.560826] [drm:radeon_compute_pll_avivo] 162000 - 161990, pll
dividers - fb: 1425.4 ref: 21, post 6

So I'm not really sure what else could go wrong here.

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