2023-09-19 17:16:02

by Sumit Gupta

[permalink] [raw]
Subject: Re: [Patch v2 0/2] Improvements to the Tegra CPUFREQ driver

Gentle Ping.

Thank you,
Sumit Gupta


On 01/09/23 22:11, Sumit Gupta wrote:
> This patch set adds below improvements to the Tegra194 CPUFREQ driver.
> They are applicable to all the Tegra SoC's supported by the driver.
>
> 1) Patch 1: Avoid making SMP call on every frequency request to reduce
> the time for frequency set and get calls.
>
> 2) Patch 2: Use reference clock count based loop instead of udelay()
> to improve the accuracy of re-generated CPU frequency.
>
> The patches are not related but have minor conflict. So, need to be
> applied in order of patch numbers. If 'Patch 2' is to be applied first
> then will rebase that and send separately.
>
> Sumit Gupta (2):
> cpufreq: tegra194: save CPU data to avoid repeated SMP calls
> cpufreq: tegra194: use refclk delta based loop instead of udelay
>
> drivers/cpufreq/tegra194-cpufreq.c | 151 ++++++++++++++++++++---------
> 1 file changed, 106 insertions(+), 45 deletions(-)
>