Thread (27 messages) 27 messages, 5 authors, 2025-09-09

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

From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2025-09-03 06:18:38
Also in: linux-pm, linux-tegra, lkml

On 02/09/2025 18:51, Aaron Kling wrote:
On Tue, Sep 2, 2025 at 3:23 AM Krzysztof Kozlowski [off-list ref] wrote:
quoted
On Sun, Aug 31, 2025 at 10:33:48PM -0500, Aaron Kling wrote:
quoted
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.
Three different subsystems and no single explanation of dependencies and
how this can be merged.
The only cross-subsystem hard dependency is that patches 5 and 6 need
patches 1 and 2 respectively. Patch 5 logically needs patch 3 to
operate as expected, but there should not be compile compile or probe
failures if those are out of order. How would you expect this to be
presented in a cover letter?
In whatever way you wish, but you must clearly express dependencies and
any merge restrictions.

Best regards,
Krzysztof
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