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=-5.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 25F46C3A589 for ; Thu, 15 Aug 2019 16:19:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D643920656 for ; Thu, 15 Aug 2019 16:19:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=dell.com header.i=@dell.com header.b="Tu+T6myX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730744AbfHOQT5 (ORCPT ); Thu, 15 Aug 2019 12:19:57 -0400 Received: from mx0a-00154904.pphosted.com ([148.163.133.20]:15560 "EHLO mx0a-00154904.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728956AbfHOQT5 (ORCPT ); Thu, 15 Aug 2019 12:19:57 -0400 Received: from pps.filterd (m0170389.ppops.net [127.0.0.1]) by mx0a-00154904.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x7FGAXmk022073; Thu, 15 Aug 2019 12:19:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dell.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : content-transfer-encoding : mime-version; s=smtpout1; bh=EeZtSFfcASxzQDiDgQ5G5QblMNz9X1uWYaIgK2p9tnY=; b=Tu+T6myXCWoUSFAl0NxM5b/ntnWKClidfeali/n2ICHJgIRVJ9S+6wGyrGCpOA/VuKLQ 577HT7V65Td9lsnAOU2iQ734oU7J+uLSdOPbZZvfGw+Vlud8X3vngzLVGET8UYaF8Kl0 bfmRpWi6AAGx8+1mYNhbzqvsZg8WyJQsGAq2zqoo3IqsR0+TedWbqj9n9m8RzGXfMkA4 pdb+cuJHmlVKVVH+dYi68lXMVQBe2hSzdLSQe5LFc6gw0v54HQAfxEAqxBmtl6FOMNw/ qfDx1Xig+V46SFCnS77dW9JJbL/kfrQ6tUqmnj87fqfjmZ0Tly7/b55W6Vc/se2B3wD6 Uw== Received: from mx0a-00154901.pphosted.com (mx0a-00154901.pphosted.com [67.231.149.39]) by mx0a-00154904.pphosted.com with ESMTP id 2ucg1jxkgx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 15 Aug 2019 12:19:56 -0400 Received: from pps.filterd (m0142699.ppops.net [127.0.0.1]) by mx0a-00154901.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x7FGDU2m016365; Thu, 15 Aug 2019 12:19:55 -0400 Received: from ausxipps310.us.dell.com (AUSXIPPS310.us.dell.com [143.166.148.211]) by mx0a-00154901.pphosted.com with ESMTP id 2ud9aj9whg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 15 Aug 2019 12:19:55 -0400 X-LoopCount0: from 10.166.132.129 X-PREM-Routing: D-Outbound X-IronPort-AV: E=Sophos;i="5.60,349,1549951200"; d="scan'208";a="408820564" From: To: , CC: , , , , , , , , Subject: RE: [Nouveau] [PATCH 1/7] Revert "ACPI / OSI: Add OEM _OSI string to enable dGPU direct output" Thread-Topic: [Nouveau] [PATCH 1/7] Revert "ACPI / OSI: Add OEM _OSI string to enable dGPU direct output" Thread-Index: AQGgd6rdZMP3IawUTGaO286TGix+WwEoseSWASaOw1KnU3bBEIAAWGiA//+vQECAAFaFAIAAA1mAgAAFeoD//8KZYA== Date: Thu, 15 Aug 2019 16:19:52 +0000 Message-ID: <8724585e50004bc8b6f310587555f4a1@AUSX13MPC101.AMER.DELL.COM> References: <20190814213118.28473-1-kherbst@redhat.com> <20190814213118.28473-2-kherbst@redhat.com> <5e05532328324d01bc554c573f6298f8@AUSX13MPC101.AMER.DELL.COM> <3fc22fe8bcaf4304bb07534b61c4de90@AUSX13MPC101.AMER.DELL.COM> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: msip_labels: MSIP_Label_17cb76b2-10b8-4fe1-93d4-2202842406cd_Enabled=True; MSIP_Label_17cb76b2-10b8-4fe1-93d4-2202842406cd_SiteId=945c199a-83a2-4e80-9f8c-5a91be5752dd; MSIP_Label_17cb76b2-10b8-4fe1-93d4-2202842406cd_Owner=Mario_Limonciello@Dell.com; MSIP_Label_17cb76b2-10b8-4fe1-93d4-2202842406cd_SetDate=2019-08-15T16:19:51.1871148Z; MSIP_Label_17cb76b2-10b8-4fe1-93d4-2202842406cd_Name=External Public; MSIP_Label_17cb76b2-10b8-4fe1-93d4-2202842406cd_Application=Microsoft Azure Information Protection; MSIP_Label_17cb76b2-10b8-4fe1-93d4-2202842406cd_Extended_MSFT_Method=Manual; aiplabel=External Public x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.143.242.75] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-08-15_06:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908150159 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908150159 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org > -----Original Message----- > From: Takashi Iwai > Sent: Thursday, August 15, 2019 9:57 AM > To: Alex Deucher > Cc: Karol Herbst; Limonciello, Mario; nouveau; Rafael J . Wysocki; LKML; = dri-devel; > Linux ACPI Mailing List; Alex Hung; Ben Skeggs; David Airlie > Subject: Re: [Nouveau] [PATCH 1/7] Revert "ACPI / OSI: Add OEM _OSI strin= g to > enable dGPU direct output" >=20 >=20 > [EXTERNAL EMAIL] >=20 > On Thu, 15 Aug 2019 16:37:05 +0200, > Alex Deucher wrote: > > > > On Thu, Aug 15, 2019 at 10:25 AM Karol Herbst wrot= e: > > > > > > On Thu, Aug 15, 2019 at 4:20 PM wrote: > > > > > > > > > > There are definitely going to be regressions on machines in the= field > with the > > > > > > in tree drivers by reverting this. I think we should have an a= nswer for all > of > > > > > those > > > > > > before this revert is accepted. > > > > > > > > > > > > Regarding systems with Intel+NVIDIA, we'll have to work with pa= rtners > to > > > > > collect > > > > > > some information on the impact of reverting this. > > > > > > > > > > > > When this is used on a system with Intel+AMD the ASL configures= AMD > GPU to > > > > > use > > > > > > "Hybrid Graphics" when on Windows and "Power Express" and > "Switchable > > > > > Graphics" > > > > > > when on Linux. > > > > > > > > > > and what's exactly the difference between those? And what's the a= ctual > > > > > issue here? > > > > > > > > DP/HDMI is not detected unless plugged in at bootup. It's due to m= issing > HPD > > > > events. > > > > > > > > > > afaik Lyude was working on fixing all that, at least for some drivers= . > > > If there is something wrong, we still should fix the drivers, not > > > adding ACPI workarounds. > > > > > > Alex: do you know if there are remaining issues regarding that with a= mdgpu? > > > > There was an issue with hpd events not making it to the audio side > > when things were powered down that was fixed with this patch set: > > https://patchwork.freedesktop.org/patch/316793/ > > Those patches depended on a bunch of alsa changes as well which may > > have not been available in the distro used for a particular OEM > > program. >=20 > FYI, the corresponding commit for ALSA part is destined for 5.4 > kernel: >=20 > https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?i= d=3Dade > 49db337a9d44ac5835cfce1ee873549011b27 >=20 > BTW, Nouveau should suffer from the same problem. The patch to add > the audio component support is found at: > https://patchwork.freedesktop.org/patch/319131/ >=20 >=20 It sounds like 5.3rcX won't be a useful check then. So am I correct to understand that everything related to the AMD failures described in this thread should be in linux-next at this point?