linux-kernel - Re: [PATCH v2 0/2] PCI/ASPM: Enable ASPM and Clock PM by default on devicetree platforms

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Message-ID: <21398de7-3dd9-4c43-97d9-7c3002c401e5@packett.cool>
Date: Thu, 13 Nov 2025 01:30:17 -0300
From: Val Packett <val@...kett.cool>
To: Manivannan Sadhasivam <mani@...nel.org>
Cc: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
 manivannan.sadhasivam@....qualcomm.com,
 Rob Clark <robin.clark@....qualcomm.com>,
 Vignesh Raman <vignesh.raman@...labora.com>,
 Valentine Burley <valentine.burley@...labora.com>,
 Bjorn Helgaas <bhelgaas@...gle.com>,
 Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Krzysztof Wilczyński <kwilczynski@...nel.org>,
 Rob Herring <robh@...nel.org>, linux-pci@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 "David E. Box" <david.e.box@...ux.intel.com>,
 Kai-Heng Feng <kai.heng.feng@...onical.com>,
 "Rafael J. Wysocki" <rafael@...nel.org>,
 Heiner Kallweit <hkallweit1@...il.com>,
 Chia-Lin Kao <acelan.kao@...onical.com>, Bjorn Helgaas <helgaas@...nel.org>
Subject: Re: [PATCH v2 0/2] PCI/ASPM: Enable ASPM and Clock PM by default on
 devicetree platforms

On 11/11/25 2:29 PM, Val Packett wrote:
> [..]
>
> Now testing with this drive and no arg:
>
>                 LnkCtl: ASPM L1 Enabled; RCB 64 bytes, LnkDisable- 
> CommClk+
>                         ExtSynch+ ClockPM- AutWidDis- BWInt- AutBWInt- 
> FltModeDis-
>
>                 L1SubCtl1: PCI-PM_L1.2- PCI-PM_L1.1- ASPM_L1.2- 
> ASPM_L1.1-
>                            T_CommonMode=0us LTR1.2_Threshold=156672ns
>
> Let's see how it goes.

Update: close to 2 days in, went AFK to eat and came back to a gdm login 
prompt once again. (This is the stock WD drive and no force.)

This does not seem to be related to L1ss.

~val