From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1ADA31DFED; Mon, 27 May 2024 19:03:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716836582; cv=none; b=dvHT8nzeeDmt8Rcs3yYzg0k+KYiYzd0K5vy0F3JgzBw86cXra6DNvGyY5cuogHjdfIMlRbfrdPRKGpFymm744jsUPv5EfSqETYm2ZUFonfiH8nAThzQL8GpymeWJ+rnz8LbKiPp6lQKV+lwFzDQ5kocDd9g1nTCxsqd+4jCSrdY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716836582; c=relaxed/simple; bh=NOov26tKIYYUF9lfxCcD0RkHGOz3OTLe3hAWSuXVc7Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=W1bqBXdbLITHe5nSki0FHURDROUgdQuRwWQbX0AoEteVMFarIckvmZGEYr3DzOuIAF+KKAinL1Wn4E1pVUXLv2K8l37xXV0X05ApdzN2BXVDXiTv5lGSH5/o6z9K9GH9ZjNhum4G3dcWtcoTBpLhw6J/6bilQCSC9dlPRwx67II= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=MyBMeIIF; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="MyBMeIIF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A514CC2BBFC; Mon, 27 May 2024 19:03:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1716836582; bh=NOov26tKIYYUF9lfxCcD0RkHGOz3OTLe3hAWSuXVc7Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MyBMeIIF9nYRAHE8pQapq9IwnsjK9SfLdqnd6ynKrUTCzg7u/274CKcTmjcAnWAOg JFATBmThBN9DMdhkpB4AkHL+DRANgh3Al+ubez9J8WoAJOvdQZkleQqCoSxWksgKnw SKMkO68NduWpC/4bBgCT0wL5ZA8k0PDakNYm8bJ4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Armin Wolf , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 6.9 110/427] ACPI: bus: Indicate support for _TFP thru _OSC Date: Mon, 27 May 2024 20:52:37 +0200 Message-ID: <20240527185612.055894016@linuxfoundation.org> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240527185601.713589927@linuxfoundation.org> References: <20240527185601.713589927@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Armin Wolf [ Upstream commit 95d43290f1e476b3be782dd17642e452d0436266 ] The ACPI thermal driver already uses the _TPF ACPI method to retrieve precise sampling time values, but this is not reported thru _OSC. Fix this by setting bit 9 ("Fast Thermal Sampling support") when evaluating _OSC. Fixes: a2ee7581afd5 ("ACPI: thermal: Add Thermal fast Sampling Period (_TFP) support") Signed-off-by: Armin Wolf Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/bus.c | 2 ++ include/linux/acpi.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index d9fa730416f19..9c13a4e43fa82 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -316,6 +316,8 @@ static void acpi_bus_osc_negotiate_platform_control(void) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PAD_SUPPORT; if (IS_ENABLED(CONFIG_ACPI_PROCESSOR)) capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PPC_OST_SUPPORT; + if (IS_ENABLED(CONFIG_ACPI_THERMAL)) + capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_OST_SUPPORT; capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PCLPI_SUPPORT; diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 34829f2c517ac..51bdd9e08f6da 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -573,6 +573,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); #define OSC_SB_CPCV2_SUPPORT 0x00000040 #define OSC_SB_PCLPI_SUPPORT 0x00000080 #define OSC_SB_OSLPI_SUPPORT 0x00000100 +#define OSC_SB_FAST_THERMAL_SAMPLING_SUPPORT 0x00000200 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 #define OSC_SB_CPC_FLEXIBLE_ADR_SPACE 0x00004000 -- 2.43.0