[Bug 60523] Radeon DPM not working with 2 monitors attached to Radeon HD5770 (Juniper)

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Fri Feb 13 21:34:55 PST 2015


https://bugzilla.kernel.org/show_bug.cgi?id=60523

--- Comment #68 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to Mathias Tillman from comment #60)
> I've done some further tests with overriding the power state level values as
> detailed above, here are my results:
> 
> The stock values are
> level 0: sclk: 10000, mclk: 30000, vddc: 950, vddci: 950
> level 1: sclk: 77500, mclk: 105000, vddc: 1100 vddci: 1150
> level 2: sclk: 90000, mclk: 105000, vddc: 1175, vddci: 1150
> 
> sclk, vddc and vddci were all at their stock values for all power levels
> during my tests.
> 
> I changed mclk on power level 2 to the values below (OK means that it does
> not get stuck in the highest power level):
> 95000 = OK
> 100000 = OK
> 104000 = OK
> 105000 = NOT OK
> 110000 = NOT OK

Does changing the mclk to a lower value in level 1 (leave levels 0 and 2
unchanged) help?  How about changing the sclk in level 2?

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