Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1625422
| From | Sudeep Holla <sudeep.holla@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V4 1/9] PM / OPP: Allow OPP table to be used for power-domains |
| Date | 2017-04-18 18:10 +0200 |
| Message-ID | <txDRv-8e8-1@gated-at.bofh.it> (permalink) |
| References | (1 earlier) <tn4V5-4Nu-51@gated-at.bofh.it> <tvtWi-7dn-35@gated-at.bofh.it> <tvFXr-6UZ-1@gated-at.bofh.it> <tvNij-3GT-39@gated-at.bofh.it> <tx7yh-5dN-1@gated-at.bofh.it> |
| Organization | ARM |
On 17/04/17 06:33, Viresh Kumar wrote: > On 13-04-17, 14:43, Sudeep Holla wrote: >> Interesting. My understand of power domain and in particular power >> domain performance was that it would control both. The abstract number >> you introduce would hide clocks and regulators. >> >> But if the concept treats it just as yet another regulator, we do we >> need these at all. Why don't we relate this performance to regulator >> values and be done with it ? >> >> Sorry if I am missing to understand something here. I would look this as >> replacement for both clocks and regulators, something similar to ACPI >> CPPC. If not, it looks unnecessary to me with the information I have got >> so far. > > I kind of answered that in the other email. > > Some background may be good here. So Qcom tried to solve all this with virtual > regulators, but the problem was that they need to talk in terms of integer > values (1, 2, 3..) and not voltages and so they can't use the regulator > framework straight away. And so we are doing all this. > Was it posted externally ? Was there any objections for that approach ? IMO that's better approach but if I am late to the party, I would like to read through the discussions that happened on it(if any) -- Regards, Sudeep
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Re: [PATCH V4 1/9] PM / OPP: Allow OPP table to be used for power-domains Sudeep Holla <sudeep.holla@arm.com> - 2017-04-12 19:10 +0200
Re: [PATCH V4 1/9] PM / OPP: Allow OPP table to be used for power-domains Viresh Kumar <viresh.kumar@linaro.org> - 2017-04-13 08:00 +0200
Re: [PATCH V4 1/9] PM / OPP: Allow OPP table to be used for power-domains Sudeep Holla <sudeep.holla@arm.com> - 2017-04-13 15:50 +0200
Re: [PATCH V4 1/9] PM / OPP: Allow OPP table to be used for power-domains Viresh Kumar <viresh.kumar@linaro.org> - 2017-04-17 07:40 +0200
Re: [PATCH V4 1/9] PM / OPP: Allow OPP table to be used for power-domains Sudeep Holla <sudeep.holla@arm.com> - 2017-04-18 18:10 +0200
Re: [PATCH V4 1/9] PM / OPP: Allow OPP table to be used for power-domains Viresh Kumar <viresh.kumar@linaro.org> - 2017-04-19 12:20 +0200
csiph-web