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=0.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,TVD_SUBJ_WIPE_DEBT, USER_AGENT_SANE_2 autolearn=no 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 426CDC2BA19 for ; Thu, 9 Apr 2020 22:57:36 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 07C8D2074F for ; Thu, 9 Apr 2020 22:57:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 07C8D2074F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 6A7548E0022; Thu, 9 Apr 2020 18:57:35 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 6585B8E0003; Thu, 9 Apr 2020 18:57:35 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 51F048E0022; Thu, 9 Apr 2020 18:57:35 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0195.hostedemail.com [216.40.44.195]) by kanga.kvack.org (Postfix) with ESMTP id 45F568E0003 for ; Thu, 9 Apr 2020 18:57:35 -0400 (EDT) Received: from smtpin15.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id E91EF181AEF3C for ; Thu, 9 Apr 2020 22:57:34 +0000 (UTC) X-FDA: 76689830028.15.birds26_7ef135bc0f21 X-HE-Tag: birds26_7ef135bc0f21 X-Filterd-Recvd-Size: 3053 Received: from kernel.crashing.org (kernel.crashing.org [76.164.61.194]) by imf42.hostedemail.com (Postfix) with ESMTP for ; Thu, 9 Apr 2020 22:57:34 +0000 (UTC) Received: from localhost (gate.crashing.org [63.228.1.57]) (authenticated bits=0) by kernel.crashing.org (8.14.7/8.14.7) with ESMTP id 039Muffv010125 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 9 Apr 2020 17:56:47 -0500 Message-ID: <0f360b9cb72b80bae0d0db8150f65598c2776268.camel@kernel.crashing.org> Subject: Re: [PATCH 19/28] gpu/drm: remove the powerpc hack in drm_legacy_sg_alloc From: Benjamin Herrenschmidt To: Daniel Vetter Cc: Christoph Hellwig , Andrew Morton , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , X86 ML , David Airlie , Laura Abbott , Sumit Semwal , Sakari Ailus , Minchan Kim , Nitin Gupta , Robin Murphy , Christophe Leroy , Peter Zijlstra , linuxppc-dev , linux-hyperv@vger.kernel.org, dri-devel , "moderated list:DMA BUFFER SHARING FRAMEWORK" , "open list:GENERIC INCLUDE/A..." , Linux MM , "list@263.net:IOMMU DRIVERS , Joerg ""Roedel ," , Linux ARM , linux-s390@vger.kernel.org, bpf , Linux Kernel Mailing List Date: Fri, 10 Apr 2020 08:56:41 +1000 In-Reply-To: References: <20200408115926.1467567-1-hch@lst.de> <20200408115926.1467567-20-hch@lst.de> <20200408122504.GO3456981@phenom.ffwll.local> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, 2020-04-09 at 11:41 +0200, Daniel Vetter wrote: > Now if these boxes didn't ever have agp then I think we can get away > with deleting this, since we've already deleted the legacy radeon > driver. And that one used vmalloc for everything. The new kms one does > use the dma-api if the gpu isn't connected through agp Definitely no AGP there. Cheers Ben.