From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3CE6C07E9B for ; Mon, 5 Jul 2021 15:28:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A8C546197C for ; Mon, 5 Jul 2021 15:28:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231803AbhGEPa6 (ORCPT ); Mon, 5 Jul 2021 11:30:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:55202 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231535AbhGEPa5 (ORCPT ); Mon, 5 Jul 2021 11:30:57 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8C9B961964; Mon, 5 Jul 2021 15:28:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625498900; bh=F0ZOtPaLg7ZLUv7+BtbmeLGwPX6I3v75FrJSUcAv5ag=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=huDSiHpvFROUq0ysbML0Utq8M2LqzJBGTPhw+SlqypbwJfW1Xp+IL39XiHaEzRdok z+7UUKcBr/lWp6+lYhqgJ28UcBB7l7bXv/6bMjoBXrOb2LF+wXSSMhdpi2BTInkuYU KgDNiUEijF3jQqsjDkf7lgDDisF0WqDUNZ1DgAXkjo8zNGJHRkyGgfWSvoTKSUjCGV 2YZc7KhFktAE3HECD+9yUPZqgY7qf7rEB4x0Atkfu6PaaKBHmwPBlHNpSdUWGztH/c JdLC3v1fayXQSQZrREK+sPNb4WTCROpMu/FVMD5q2CkdvUsnJbYYGsx3jUgvru8+cl zpuulgFGrEwig== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alex Deucher , Hans de Goede , "Rafael J . Wysocki" , Sasha Levin , linux-acpi@vger.kernel.org Subject: [PATCH AUTOSEL 5.13 03/59] ACPI: PM: s2idle: Add missing LPS0 functions for AMD Date: Mon, 5 Jul 2021 11:27:19 -0400 Message-Id: <20210705152815.1520546-3-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210705152815.1520546-1-sashal@kernel.org> References: <20210705152815.1520546-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Alex Deucher [ Upstream commit f59a905b962c34642e862b5edec35c0eda72d70d ] These are supposedly not required for AMD platforms, but at least some HP laptops seem to require it to properly turn off the keyboard backlight. Based on a patch from Marcin Bachry . Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1230 Reviewed-by: Hans de Goede Signed-off-by: Alex Deucher Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/x86/s2idle.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index 2b69536cdccb..2d7ddb8a8cb6 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -42,6 +42,8 @@ static const struct acpi_device_id lps0_device_ids[] = { /* AMD */ #define ACPI_LPS0_DSM_UUID_AMD "e3f32452-febc-43ce-9039-932122d37721" +#define ACPI_LPS0_ENTRY_AMD 2 +#define ACPI_LPS0_EXIT_AMD 3 #define ACPI_LPS0_SCREEN_OFF_AMD 4 #define ACPI_LPS0_SCREEN_ON_AMD 5 @@ -408,6 +410,7 @@ int acpi_s2idle_prepare_late(void) if (acpi_s2idle_vendor_amd()) { acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_OFF_AMD); + acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY_AMD); } else { acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_OFF); acpi_sleep_run_lps0_dsm(ACPI_LPS0_ENTRY); @@ -422,6 +425,7 @@ void acpi_s2idle_restore_early(void) return; if (acpi_s2idle_vendor_amd()) { + acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT_AMD); acpi_sleep_run_lps0_dsm(ACPI_LPS0_SCREEN_ON_AMD); } else { acpi_sleep_run_lps0_dsm(ACPI_LPS0_EXIT); -- 2.30.2