Messages in this thread |  | | Date | Thu, 09 Jul 2020 20:13:49 +0530 | From | Sibi Sankar <> | Subject | Re: [PATCH v2] arm64: dts: qcom: sdm845: Add cpu OPP tables |
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On 2020-07-09 19:59, Bjorn Andersson wrote: > On Wed 08 Jul 19:22 PDT 2020, Steev Klimaszewski wrote: > >> >> On 7/2/20 3:46 PM, Sibi Sankar wrote: >> > Add OPP tables required to scale DDR/L3 per freq-domain on SDM845 SoCs. >> > >> > Signed-off-by: Sibi Sankar <sibis@codeaurora.org> >> > --- >> >> >> Hi Sibi, >> >> >> Bjorn asked me to give this patch a whirl, and I have to say, I like >> it >> but I'm not sure if I'm missing a dependency somewhere... >> >> >> In 5.8.0-rc4, I'm seeing a couple probe defers >> >> [ 0.131341] cpu cpu0: _allocate_opp_table: Error finding >> interconnect >> paths: -517 >> >> [ 0.132694] cpu cpu4: _allocate_opp_table: Error finding >> interconnect >> paths: -517 >> >> And then a bit later on, >> >> [ 0.625837] cpu cpu0: failed to get clock: -2 >> >> >> If these aren't anything to worry about, you can throw my Tested-by on >> >> Tested-by: Steev Klimaszewski <steev@kali.org> >> > > You need to enable: > CONFIG_INTERCONNECT=y > CONFIG_INTERCONNECT_QCOM=y > CONFIG_INTERCONNECT_QCOM_OSM_L3=m > CONFIG_INTERCONNECT_QCOM_SDM845=m
Steev had ^^ enabled but he was missing the required cpufreq driver changes available in linux-next.
> > With this I can see the interconnect_summary in debugfs change with the > CPU frequency. > > Regards, > Bjorn
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