APPLIED[I]: [SRU] [I/Unstable/OEM-5.13] [PATCH 00/10] Add AMD SMU stats support
Andrea Righi
andrea.righi at canonical.com
Wed Aug 18 06:48:17 UTC 2021
On Mon, Jul 26, 2021 at 09:14:59PM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1934809
>
> [Impact]
> AMD RN and CZN SOC can collect extra debugging data for s0i3. This
> information is useful for finding problems with IP blocks not going into
> correct states.
>
> [Fix]
> The following patch series adds support for these stats and will be
> included in 5.14.
> https://patchwork.kernel.org/project/platform-driver-x86/patch/20210629084803.248498-2-Shyam-sundar.S-k@amd.com/
>
> [Test]
> Check for extra debugfs files on amd platform. Verify that s0i3 shows
> successful enter (counter increases to non-zero).
>
> [Where problems could occur]
> The code is only used on amd platforms in s2idle. It would be specific
> to those platforms and cases (where it is adding support for debugging).
Applied to impish:linux 5.13.
NOTE: I updated the cherry-picked lines, because all these commits are
now upstream.
Thanks,
-Andrea
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