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From: Lukas Wunner <lukas@wunner.de>
To: Mario Limonciello <mario.limonciello@amd.com>
Cc: Hans de Goede <hdegoede@redhat.com>,
	Mark Gross <mgross@linux.intel.com>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	"open list:X86 PLATFORM DRIVERS" 
	<platform-driver-x86@vger.kernel.org>,
	linux-acpi@vger.kernel.org,
	Shyam Sundar S K <Shyam-sundar.S-k@amd.com>,
	Goswami Sanket <Sanket.Goswami@amd.com>
Subject: Re: [PATCH v3 1/5] ACPI / x86: Add support for LPS0 callback handler
Date: Mon, 14 Mar 2022 10:12:47 +0100	[thread overview]
Message-ID: <20220314091247.GA28904@wunner.de> (raw)
In-Reply-To: <20220314050340.1176-1-mario.limonciello@amd.com>

On Mon, Mar 14, 2022 at 12:03:35AM -0500, Mario Limonciello wrote:
> Currenty the latest thing run during a suspend to idle attempt is
> the LPS0 `prepare_late` callback and the earliest thing is the
> `resume_early` callback.
> 
> There is a desire for the `amd-pmc` driver to suspend later in the
> suspend process (ideally the very last thing), so create a callback
> that it or any other driver can hook into to do this.

I'm wondering if this can be solved with much less code by either
using device links (a device link to amd-pmc from everything that
needs to be suspended before it), or with a notifier chain?

Thanks,

Lukas

  parent reply	other threads:[~2022-03-14  9:12 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-14  5:03 [PATCH v3 1/5] ACPI / x86: Add support for LPS0 callback handler Mario Limonciello
2022-03-14  5:03 ` [PATCH v3 2/5] ACPI / x86: Pass the constraints checking result to LPS0 callback Mario Limonciello
2022-03-14  5:03 ` [PATCH v3 3/5] ACPI / x86: Check LPI constraints by default Mario Limonciello
2022-03-14  5:03 ` [PATCH v3 4/5] platform/x86: amd-pmc: Move to later in the suspend process Mario Limonciello
2022-03-14  5:03 ` [PATCH v3 5/5] platform/x86: amd-pmc: Drop CPU QoS workaround Mario Limonciello
2022-03-14  9:05 ` [PATCH v3 1/5] ACPI / x86: Add support for LPS0 callback handler Hans de Goede
2022-03-14 13:32   ` Limonciello, Mario
2022-03-14 13:37     ` Hans de Goede
2022-03-16 15:02       ` Rafael J. Wysocki
2022-03-16 15:34         ` Rafael J. Wysocki
2022-03-16 15:43           ` Limonciello, Mario
2022-03-16 15:52             ` Rafael J. Wysocki
2022-03-16 16:43               ` Limonciello, Mario
2022-03-16 17:27                 ` Rafael J. Wysocki
2022-03-15  1:01     ` David E. Box
2022-03-14  9:12 ` Lukas Wunner [this message]
2022-03-14 13:28   ` Limonciello, Mario

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