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Message-ID: <e051ac790380f04be4eec6937032b7dcd411ec77.camel@ettle.org.uk>
Subject: Re: rtsx_pci not restoring ASPM state after suspend/resume
From:   James Ettle <james@ettle.org.uk>
To:     Bjorn Helgaas <helgaas@kernel.org>
Cc:     =?UTF-8?Q?=E5=90=B3=E6=98=8A=E6=BE=84?= Ricky 
        <ricky_wu@realtek.com>, Rui Feng <rui_feng@realsil.com.cn>,
        Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Len Brown <lenb@kernel.org>,
        Puranjay Mohan <puranjay12@gmail.com>,
        "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Jacopo De Simoi <wilderkde@gmail.com>
Date:   Tue, 28 Jul 2020 21:57:55 +0100
In-Reply-To: <20200727214712.GA1777201@bjorn-Precision-5520>
References: <20200727214712.GA1777201@bjorn-Precision-5520>
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On Mon, 2020-07-27 at 16:47 -0500, Bjorn Helgaas wrote:
> 
> I don't see anything in rtsx that enables L0s.  Can you collect the
> dmesg log when booting with "pci=earlydump"?  That will show whether
> the BIOS left it this way.  The PCI core isn't supposed to do this,
> so
> if it did, we need to fix that.
> 

dmesg log attached to the bugzilla as:

https://bugzilla.kernel.org/attachment.cgi?id=290655

(to keep everything in one place).

Thanks,
-James