APPLIED[M/L/J]/Cmnt: [PATCH V2 0/2][SRU][J/L/M/U] Fix ADL: System enabled AHCI can't get into s0ix when attached ODD

[Stefan Bader]

On 20.11.23 17:03, Koba Ko wrote:
> BugLink: https://bugs.launchpad.net/bugs/2037493
> 
> [Impact]
> System can't enter suspend on AHCI mode,
> the CPU FAN and System FAN is running, PSU LED is on.
> When fail to enter suspend, remove ODD, the system can successfully enter suspend again.
> 
> [Fix]
> Enable LPM on Alder Lake-P AHCI.
> 
> [Test Cases]
> 1. enabled AHCI on target machine.
> 2. boot with kernel applied fix.
> 3. suspend then check slp_s0_residency_usec&package_cstate_show
> ~~~
> $ sudo cat /sys/kernel/debug/pmc_core/slp_s0_residency_usec;sudo cat /sys/kernel/debug/pmc_core/package_cstate_show
> 4951200
> Package C2 : 63571033
> Package C3 : 6212
> Package C6 : 5633477
> Package C7 : 0
> Package C8 : 0
> Package C9 : 0
> Package C10 : 5255561
> $ sudo rtcwake -m mem -s 10
> rtcwake: assuming RTC uses UTC ...
> rtcwake: wakeup from "mem" using /dev/rtc0
> $ sudo cat /sys/kernel/debug/pmc_core/slp_s0_residency_usec;sudo cat /sys/kernel/debug/pmc_core/package_cstate_show
> 12965280
> Package C2 : 75052691
> Package C3 : 46989
> Package C6 : 8108332
> Package C7 : 0
> Package C8 : 0
> Package C9 : 0
> Package C10 : 13628111
> ~~~
> 
> [where the issue could happen]
> Medium, Intel promise there's no issue of ADL AHCI and
> they will take responsibility after regression.
> Intel also take LPM as POR so they will fix any issues.
> 
> [Misc]
> Because the board_ahci_mobile is still not modified to board_ahci_low_power on Jammy,
> provide a single patch for Jammy.
> 
> For generic J/M, passed the all arch compilations on cbd,
> Jammy,
> ~~~
> $ git push j_cbd
> Total 0 (delta 0), reused 0 (delta 0), pack-reused 0
> remote: *** kernel-cbd *********************************************************
> remote: * Queueing builds (your 'ubuntu_jammy_next'); ok to interrupt
> remote: * For results: ssh cbd ls kobako-jammy-f5146c67dd2d-XWAJ
> remote: * 0/1 workers busy, 0 builds queued
> remote: 2023-11-17 19:50:25 kobako-jammy-f5146c67dd2d-XWAJ/amd64/BUILD-OK
> remote: 2023-11-17 20:18:29 kobako-jammy-f5146c67dd2d-XWAJ/arm64/BUILD-OK
> remote: 2023-11-17 20:01:41 kobako-jammy-f5146c67dd2d-XWAJ/armhf/BUILD-OK
> remote: 2023-11-17 20:31:51 kobako-jammy-f5146c67dd2d-XWAJ/ppc64el/BUILD-OK
> remote: 2023-11-17 20:37:25 kobako-jammy-f5146c67dd2d-XWAJ/s390x/BUILD-OK
> remote: ************************************************************************
> To cbd.kernel:jammy.git
>   * [new branch] ubuntu_jammy_next -> ubuntu_jammy_next
> ~~~
> 
> Lunar,
> ~~~
> $ git push l_cbd
> Enumerating objects: 9, done.
> Counting objects: 100% (9/9), done.
> Delta compression using up to 8 threads
> Compressing objects: 100% (5/5), done.
> Writing objects: 100% (5/5), 784 bytes | 65.00 KiB/s, done.
> Total 5 (delta 4), reused 0 (delta 0), pack-reused 0
> remote: *** kernel-cbd *********************************************************
> remote: * Queueing builds (your 'ubuntu_lunar_next'); ok to interrupt
> remote: * For results:  ssh cbd ls kobako-lunar-915de03d6ecf-V1nm
> remote: * 9/9 workers busy, 0 builds queued
> remote: 2023-11-20 16:00:11  kobako-lunar-915de03d6ecf-V1nm/amd64/BUILD-OK
> remote: 2023-11-20 15:59:57  kobako-lunar-915de03d6ecf-V1nm/arm64/BUILD-OK
> remote: 2023-11-20 15:55:14  kobako-lunar-915de03d6ecf-V1nm/armhf/BUILD-OK
> remote: 2023-11-20 15:55:26  kobako-lunar-915de03d6ecf-V1nm/ppc64el/BUILD-OK
> remote: 2023-11-20 15:47:17  kobako-lunar-915de03d6ecf-V1nm/s390x/BUILD-OK
> remote: ************************************************************************
> To cbd.kernel:lunar.git
>   * [new branch]                ubuntu_lunar_next -> ubuntu_lunar_next
> ~~~
> 
> Mantic,
> ~~~
> $ git push m_cbd
> Enumerating objects: 102, done.
> Counting objects: 100% (102/102), done.
> Delta compression using up to 8 threads
> Compressing objects: 100% (17/17), done.
> Writing objects: 100% (61/61), 252.10 KiB | 2.23 MiB/s, done.
> Total 61 (delta 46), reused 54 (delta 41), pack-reused 0
> remote: *** kernel-cbd *********************************************************
> remote: * Queueing builds (your 'ubuntu_mantic_next'); ok to interrupt
> remote: * For results: ssh cbd ls kobako-mantic-e489d3bb608c-9LiJ
> remote: * 0/1 workers busy, 0 builds queued
> remote: 2023-11-17 20:58:33 kobako-mantic-e489d3bb608c-9LiJ/amd64/BUILD-OK
> remote: 2023-11-17 21:30:32 kobako-mantic-e489d3bb608c-9LiJ/arm64/BUILD-OK
> remote: 2023-11-17 21:09:18 kobako-mantic-e489d3bb608c-9LiJ/armhf/BUILD-OK
> remote: 2023-11-17 21:45:50 kobako-mantic-e489d3bb608c-9LiJ/ppc64el/BUILD-OK
> remote: 2023-11-17 21:54:30 kobako-mantic-e489d3bb608c-9LiJ/s390x/BUILD-OK
> remote: ************************************************************************
> To cbd.kernel:mantic.git
>   * [new branch] ubuntu_mantic_next -> ubuntu_mantic_next
> ~~~
> 
> For Unstable, successfully compiled with the Mantic configuration and without dkms.
> ~~~
> Total 0 (delta 0), reused 0 (delta 0), pack-reused 0
> remote: *** kernel-cbd *********************************************************
> remote: * Queueing builds (your 'ubuntu_unstable_next'); ok to interrupt
> remote: * For results: ssh cbd ls kobako-mantic-dc0405f4bd4c-VZvy
> remote: * 0/1 workers busy, 0 builds queued
> remote: 2023-11-18 22:35:41 kobako-mantic-dc0405f4bd4c-VZvy/amd64/BUILD-OK
> remote: 2023-11-18 23:03:15 kobako-mantic-dc0405f4bd4c-VZvy/arm64/BUILD-OK
> remote: 2023-11-18 22:46:15 kobako-mantic-dc0405f4bd4c-VZvy/armhf/BUILD-OK
> remote: 2023-11-18 23:16:02 kobako-mantic-dc0405f4bd4c-VZvy/ppc64el/BUILD-OK
> remote: 2023-11-18 23:22:02 kobako-mantic-dc0405f4bd4c-VZvy/s390x/BUILD-OK
> remote: ************************************************************************
> To cbd.kernel:mantic.git
>   * [new branch] ubuntu_unstable_next -> ubuntu_unstable_next
> ~~~
> 
> For Lunar, complied with amd64 profile
> 
> ---
> V2: Add Lunar
> 
> Mika Westerberg (1):
>    ata: ahci: Add Intel Alder Lake-P AHCI controller to low power
>      chipsets list
> 
>   drivers/ata/ahci.c | 1 +
>   1 file changed, 1 insertion(+)
> 
The U/M/L version of the patch is not a cherry pick and won't apply. I 
have replaced it by the REAL cherry pick which now also applies to Jammy.

Applied to mantic,lunar,jammy:linux/master-next. Thanks.

-Stefan

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