Messages in this thread | | | Date | Mon, 19 Feb 2024 12:32:52 +0530 | Subject | Re: [PATCH v6 5/6] arm64: dts: qcom: sm8450: Add opp table support to PCIe | From | Krishna Chaitanya Chundru <> |
| |
On 2/10/2024 2:44 AM, Konrad Dybcio wrote: > On 2.02.2024 08:33, Viresh Kumar wrote: >> On 01-02-24, 15:45, Konrad Dybcio wrote: >>> I'm lukewarm on this. >>> >>> A *lot* of hardware has more complex requirements than "x MBps at y MHz", >>> especially when performance counters come into the picture for dynamic >>> bw management. >>> >>> OPP tables can't really handle this properly. >> >> There was a similar concern for voltages earlier on and we added the capability >> of adjusting the voltage for OPPs in the OPP core. Maybe something similar can >> be done here ? >> > I really don't think it's fitting.. At any moment the device may require any > bandwidth value between 0 and MAX_BW_PER_LINK_GEN * LINK_WIDTH.. > > Konrad Viresh & konrad can you both come to conclusion on this.
- Krishna Chaitanya.
| |