From patchwork Thu Nov 21 17:22:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antheas Kapenekakis X-Patchwork-Id: 13882427 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4D03CE6403B for ; Thu, 21 Nov 2024 22:48:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AB1D310EA7A; Thu, 21 Nov 2024 22:48:01 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=antheas.dev header.i=@antheas.dev header.b="t47zSLsQ"; dkim-atps=neutral Received: from linux1587.grserver.gr (linux1587.grserver.gr [185.138.42.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9E4E610EA07 for ; Thu, 21 Nov 2024 17:33:07 +0000 (UTC) Received: from localhost.localdomain (unknown [IPv6:2a05:f6c2:511b:0:cbc0:999f:73ad:33bd]) by linux1587.grserver.gr (Postfix) with ESMTPSA id 470F52E096A9; Thu, 21 Nov 2024 19:23:04 +0200 (EET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=antheas.dev; s=default; t=1732209788; bh=qGjHS8GQ4N3CJVQ4zNZrdwaBwtKD2iqsG4bJWaOXvl0=; h=From:To:Subject; b=t47zSLsQqqK0XuiT9GSfSTCmhFjdtjU7Ug6E1u4/k50n4tUITpIjWvFQyPsb09OkZ kh1zM2Oj7eS9FBw3yBAcgE8lDVbE4zkSDmcTC7QKjcezjEOZVpONEGW1OF9TENzmDB CLGRObLzDRAIwiRob2+jMeJYnCtVZ/Y56BphfWhY= Authentication-Results: linux1587.grserver.gr; spf=pass (sender IP is 2a05:f6c2:511b:0:cbc0:999f:73ad:33bd) smtp.mailfrom=lkml@antheas.dev smtp.helo=localhost.localdomain Received-SPF: pass (linux1587.grserver.gr: connection is authenticated) From: Antheas Kapenekakis To: linux-pm@vger.kernel.org Cc: platform-driver-x86@vger.kernel.org, dri-devel@lists.freedesktop.org, Mario Limonciello , Hans de Goede , Kyle Gospodnetich , Antheas Kapenekakis Subject: [RFC 09/13] acpi/x86: s2idle: call Sleep Entry/Exit as part of callbacks Date: Thu, 21 Nov 2024 18:22:34 +0100 Message-ID: <20241121172239.119590-10-lkml@antheas.dev> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241121172239.119590-1-lkml@antheas.dev> References: <20241121172239.119590-1-lkml@antheas.dev> MIME-Version: 1.0 X-PPP-Message-ID: <173220978571.7825.3175429476405251822@linux1587.grserver.gr> X-PPP-Vhost: antheas.dev X-Virus-Scanned: clamav-milter 0.103.11 at linux1587.grserver.gr X-Virus-Status: Clean X-Mailman-Approved-At: Thu, 21 Nov 2024 22:47:36 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Move the Sleep Entry/Exit notifications outside the suspend sequence, with their own ACPI lock, as was done for Display On/Off. Suggested-by: Mario Limonciello Signed-off-by: Antheas Kapenekakis --- drivers/acpi/x86/s2idle.c | 57 ++++++++++++++++++++++++++++++++------- 1 file changed, 47 insertions(+), 10 deletions(-) diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index 49dcbdea903a..bdc2cc8d4994 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -61,6 +61,7 @@ static guid_t lps0_dsm_guid_microsoft; static int lps0_dsm_func_mask_microsoft; static int lps0_dsm_state; static bool lsp0_dsm_in_display_off; +static bool lsp0_dsm_in_sleep; /* Device constraint entry structure */ struct lpi_device_info { @@ -567,6 +568,48 @@ static int acpi_s2idle_display_off(void) return 0; } +static int acpi_s2idle_sleep_entry(void) +{ + if (!lps0_device_handle || sleep_no_lps0 || lps0_dsm_func_mask_microsoft <= 0) + return 0; + + if (WARN_ON(lsp0_dsm_in_sleep)) + return -EINVAL; + + lsp0_dsm_in_sleep = true; + acpi_scan_lock_acquire(); + + /* Modern Standby Sleep Entry */ + if (lps0_dsm_func_mask_microsoft > 0) + acpi_sleep_run_lps0_dsm(ACPI_LPS0_SLEEP_ENTRY, + lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); + + acpi_scan_lock_release(); + + return 0; +} + +static int acpi_s2idle_sleep_exit(void) +{ + if (!lps0_device_handle || sleep_no_lps0 || lps0_dsm_func_mask_microsoft <= 0) + return 0; + + if (WARN_ON(!lsp0_dsm_in_sleep)) + return -EINVAL; + + lsp0_dsm_in_sleep = false; + acpi_scan_lock_acquire(); + + /* Modern Standby Sleep Exit */ + if (lps0_dsm_func_mask_microsoft > 0) + acpi_sleep_run_lps0_dsm(ACPI_LPS0_SLEEP_EXIT, + lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); + + acpi_scan_lock_release(); + + return 0; +} + static int acpi_s2idle_display_on(void) { if (!lps0_device_handle || sleep_no_lps0) @@ -608,13 +651,9 @@ int acpi_s2idle_prepare_late(void) acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY_AMD, lps0_dsm_func_mask, lps0_dsm_guid); - if (lps0_dsm_func_mask_microsoft > 0) { - /* Modern Standby entry */ - acpi_sleep_run_lps0_dsm(ACPI_LPS0_SLEEP_ENTRY, - lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); + if (lps0_dsm_func_mask_microsoft > 0) acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY, lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); - } if (lps0_dsm_func_mask > 0 && !acpi_s2idle_vendor_amd()) acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY, @@ -659,17 +698,14 @@ void acpi_s2idle_restore_early(void) ACPI_LPS0_EXIT, lps0_dsm_func_mask, lps0_dsm_guid); - if (lps0_dsm_func_mask_microsoft > 0) { + if (lps0_dsm_func_mask_microsoft > 0) acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT, lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); - /* Modern Standby exit */ - acpi_sleep_run_lps0_dsm(ACPI_LPS0_SLEEP_EXIT, - lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); - } } static const struct platform_s2idle_ops acpi_s2idle_ops_lps0 = { .display_off = acpi_s2idle_display_off, + .sleep_entry = acpi_s2idle_sleep_entry, .begin = acpi_s2idle_begin, .prepare = acpi_s2idle_prepare, .prepare_late = acpi_s2idle_prepare_late, @@ -678,6 +714,7 @@ static const struct platform_s2idle_ops acpi_s2idle_ops_lps0 = { .restore_early = acpi_s2idle_restore_early, .restore = acpi_s2idle_restore, .end = acpi_s2idle_end, + .sleep_exit = acpi_s2idle_sleep_exit, .display_on = acpi_s2idle_display_on, };