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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 8ADB3C5CFE7 for ; Tue, 10 Jul 2018 18:35:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 58DF520A8B for ; Tue, 10 Jul 2018 18:35:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 58DF520A8B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389519AbeGJSfY (ORCPT ); Tue, 10 Jul 2018 14:35:24 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:48264 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389507AbeGJSfX (ORCPT ); Tue, 10 Jul 2018 14:35:23 -0400 Received: from localhost (LFbn-1-12247-202.w90-92.abo.wanadoo.fr [90.92.61.202]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 6A3F7E78; Tue, 10 Jul 2018 18:35:09 +0000 (UTC) From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lyude Paul , Alex Deucher Subject: [PATCH 4.17 25/56] drm/amdgpu: Add amdgpu_atpx_get_dhandle() Date: Tue, 10 Jul 2018 20:25:07 +0200 Message-Id: <20180710182504.861243642@linuxfoundation.org> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180710182503.544433950@linuxfoundation.org> References: <20180710182503.544433950@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lyude Paul commit 4aa5d5eb82bb237d0bb3a38b2a7555054d018081 upstream. Since it seems that some vendors are storing the ATIF ACPI methods under the same handle that ATPX lives under instead of the device's own handle, we're going to need to be able to retrieve this handle later so we can probe for ATIF there. Signed-off-by: Lyude Paul Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 6 ++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c | 6 ++++++ 2 files changed, 12 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1819,6 +1819,12 @@ static inline bool amdgpu_atpx_dgpu_req_ static inline bool amdgpu_has_atpx(void) { return false; } #endif +#if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI) +void *amdgpu_atpx_get_dhandle(void); +#else +static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; } +#endif + /* * KMS */ --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c @@ -90,6 +90,12 @@ bool amdgpu_atpx_dgpu_req_power_for_disp return amdgpu_atpx_priv.atpx.dgpu_req_power_for_displays; } +#if defined(CONFIG_ACPI) +void *amdgpu_atpx_get_dhandle(void) { + return amdgpu_atpx_priv.dhandle; +} +#endif + /** * amdgpu_atpx_call - call an ATPX method *