Re: [PATCH v2 0/8] Support dynamic EMC frequency scaling on Tegra186/Tegra194

From: Aaron Kling

Date: Sun Oct 12 2025 - 22:18:51 EST


On Wed, Oct 8, 2025 at 7:05 PM Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>
> On 09/09/2025 15:21, Aaron Kling via B4 Relay wrote:
> > This series borrows the concept used on Tegra234 to scale EMC based on
> > CPU frequency and applies it to Tegra186 and Tegra194. Except that the
> > bpmp on those archs does not support bandwidth manager, so the scaling
> > iteself is handled similar to how Tegra124 currently works.
> >
>
> Nothing improved:
> https://lore.kernel.org/all/20250902-glittering-toucan-of-feminism-95fd9f@kuoka/

The dt changes should go last. The cpufreq and memory pieces can go in
either order because the new code won't be used unless the dt pieces
activate them.

Aaron