From patchwork Thu Nov 21 17:22:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antheas Kapenekakis X-Patchwork-Id: 13882420 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 6E443E64025 for ; Thu, 21 Nov 2024 22:47:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 114D410E41F; Thu, 21 Nov 2024 22:47:38 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=antheas.dev header.i=@antheas.dev header.b="FKI2hFuo"; dkim-atps=neutral Received: from linux1587.grserver.gr (linux1587.grserver.gr [185.138.42.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4143D10E145 for ; Thu, 21 Nov 2024 17:33:10 +0000 (UTC) Received: from localhost.localdomain (unknown [IPv6:2a05:f6c2:511b:0:cbc0:999f:73ad:33bd]) by linux1587.grserver.gr (Postfix) with ESMTPSA id 301052E0966E; Thu, 21 Nov 2024 19:22:59 +0200 (EET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=antheas.dev; s=default; t=1732209781; bh=ciKMesMP9Mc1IdOCWc4ppsKpGwJlPYfRDo95aaXXzt4=; h=From:To:Subject; b=FKI2hFuoBYe4NdD4JqhxeV0tCjKnTThOqV+7FE+B+xeZTusiOjcSkPCT0kQAoOhjp Umwj3OUKc85zGq7E0PifEkeWWyMu+CxfaCV/i6Y7UaE+rxxfAjZro7qVECCzKMYIiU ZXS1EMM40U4hPZ0BcG3tCYICee/MyCUW9uRrcS54= 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 07/13] acpi/x86: s2idle: call Display On/Off as part of callbacks Date: Thu, 21 Nov 2024 18:22:32 +0100 Message-ID: <20241121172239.119590-8-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: <173220978051.6005.3661749764522674078@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 Display On/Off notifications into dedicated callbacks that gate the ACPI mutex, so they can be called outside of the suspend path. Co-developed-by: Mario Limonciello Signed-off-by: Mario Limonciello Signed-off-by: Antheas Kapenekakis --- drivers/acpi/x86/s2idle.c | 67 +++++++++++++++++++++++++++++---------- 1 file changed, 51 insertions(+), 16 deletions(-) diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index 7391f87f3aa0..8b39e3b12ec0 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -60,6 +60,7 @@ static int lps0_dsm_func_mask; 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; /* Device constraint entry structure */ struct lpi_device_info { @@ -539,17 +540,18 @@ static struct acpi_scan_handler lps0_handler = { .attach = lps0_device_attach, }; -int acpi_s2idle_prepare_late(void) +static int acpi_s2idle_display_off(void) { - struct acpi_s2idle_dev_ops *handler; - if (!lps0_device_handle || sleep_no_lps0) return 0; - if (pm_debug_messages_on) - lpi_check_constraints(); + if (WARN_ON(lsp0_dsm_in_display_off)) + return -EINVAL; + + lsp0_dsm_in_display_off = true; + acpi_scan_lock_acquire(); - /* Screen off */ + /* Display off */ if (lps0_dsm_func_mask > 0) acpi_sleep_run_lps0_dsm(acpi_s2idle_vendor_amd() ? ACPI_LPS0_DISPLAY_OFF_AMD : @@ -560,6 +562,47 @@ int acpi_s2idle_prepare_late(void) acpi_sleep_run_lps0_dsm(ACPI_LPS0_DISPLAY_OFF, 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) + return 0; + + if (WARN_ON(!lsp0_dsm_in_display_off)) + return -EINVAL; + + lsp0_dsm_in_display_off = false; + acpi_scan_lock_acquire(); + + /* Display on */ + if (lps0_dsm_func_mask_microsoft > 0) + acpi_sleep_run_lps0_dsm(ACPI_LPS0_DISPLAY_ON, + lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); + if (lps0_dsm_func_mask > 0) + acpi_sleep_run_lps0_dsm(acpi_s2idle_vendor_amd() ? + ACPI_LPS0_DISPLAY_ON_AMD : + ACPI_LPS0_DISPLAY_ON, + lps0_dsm_func_mask, lps0_dsm_guid); + + acpi_scan_lock_release(); + + return 0; +} + +int acpi_s2idle_prepare_late(void) +{ + struct acpi_s2idle_dev_ops *handler; + + if (!lps0_device_handle || sleep_no_lps0) + return 0; + + if (pm_debug_messages_on) + lpi_check_constraints(); + /* LPS0 entry */ if (lps0_dsm_func_mask > 0 && acpi_s2idle_vendor_amd()) acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY_AMD, @@ -623,19 +666,10 @@ void acpi_s2idle_restore_early(void) acpi_sleep_run_lps0_dsm(ACPI_LPS0_MS_EXIT, lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); } - - /* Screen on */ - if (lps0_dsm_func_mask_microsoft > 0) - acpi_sleep_run_lps0_dsm(ACPI_LPS0_DISPLAY_ON, - lps0_dsm_func_mask_microsoft, lps0_dsm_guid_microsoft); - if (lps0_dsm_func_mask > 0) - acpi_sleep_run_lps0_dsm(acpi_s2idle_vendor_amd() ? - ACPI_LPS0_DISPLAY_ON_AMD : - ACPI_LPS0_DISPLAY_ON, - lps0_dsm_func_mask, lps0_dsm_guid); } static const struct platform_s2idle_ops acpi_s2idle_ops_lps0 = { + .display_off = acpi_s2idle_display_off, .begin = acpi_s2idle_begin, .prepare = acpi_s2idle_prepare, .prepare_late = acpi_s2idle_prepare_late, @@ -644,6 +678,7 @@ static const struct platform_s2idle_ops acpi_s2idle_ops_lps0 = { .restore_early = acpi_s2idle_restore_early, .restore = acpi_s2idle_restore, .end = acpi_s2idle_end, + .display_on = acpi_s2idle_display_on, }; void __init acpi_s2idle_setup(void)