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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,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 BC912C34047 for ; Wed, 19 Feb 2020 12:59:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 88FD324670 for ; Wed, 19 Feb 2020 12:59:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="BczVt1wh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727487AbgBSM7P (ORCPT ); Wed, 19 Feb 2020 07:59:15 -0500 Received: from mail-wr1-f67.google.com ([209.85.221.67]:41710 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726491AbgBSM7O (ORCPT ); Wed, 19 Feb 2020 07:59:14 -0500 Received: by mail-wr1-f67.google.com with SMTP id c9so397933wrw.8 for ; Wed, 19 Feb 2020 04:59:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=b9sG/TVUs3caIZcWR+Lmy0efYoTEJOYELaU+bfIHgUY=; b=BczVt1wh4yOLL+NES9v6gwV+e7nrjQnzp32Q0cvAzrgUlq1BHY/jBVFW6YH1lHaOS4 kQ4Zfz2ihORvysfmVySDXrPoeD4x72TIQ5ofaNGJvGnsARiGsDT5Ep7S7k6x/m+UyluQ JtJZoUC/XOaTKOTStZ3iLES8rlQnaN1n6hz3yndLdtw7Y/Dg5VctpGIXCgXHYLr2O9qX 7R6SIUs5YLI2IUFbkL5W9j6F8JI4sU2abcPGHYfXb6aOSv1oWMUXnfnV1FMBMfX2dQEB voxDApdjW6RG+5Uun8xrj8YKTrAk/Wku5hesyzb2/UaA0QUJyGtXufvpRy/IVH18KpYK flmA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=b9sG/TVUs3caIZcWR+Lmy0efYoTEJOYELaU+bfIHgUY=; b=sk46W9M/twex/7nrHpHzx41i1MOIr0xYztXTkqmL5nMAgcnHCDBUlZI1urK4FXhhNc b8XBo8tzZSvAPBULIVns50X1xsVpT+gylWs8yyqGR5ZJvxiKP0HDnbqfAAWOziJeXn4p PwpWOgPEs+dgAazL6GJzwDIICtkuIwsRKXVVqQXdoh74kkyZskzjbauS/HHbMiuDdg55 nfbx6Uhv/c8EIHZZaQmBRDfJqWdXiP6BOHKkdJ3LADQaOx4zrc3lkJGtvIv5fKNqzojD IflBoojm7694Daj7qSLGMWwOOV1XGXBPN2cU2dkye0P5PkM5ja9JpYY8tVX0761Tp4g8 7fbA== X-Gm-Message-State: APjAAAWTT3+cvHLG3hSvtfcrd3800FoHrCqdDsuJzZkyhbRJSOMDEa9d E6pYO2kMTyV9hUq97PE+xFI= X-Google-Smtp-Source: APXvYqwom957kiBmODyKGlAOBy2ygX5dnAzUraiYqWa6AE5CXwi1ie+woKdaH2fubFeTbqA1kvR3+A== X-Received: by 2002:adf:de0b:: with SMTP id b11mr34937028wrm.89.1582117152687; Wed, 19 Feb 2020 04:59:12 -0800 (PST) Received: from abel.fritz.box ([2a02:908:1252:fb60:90ea:9d7:18a3:895e]) by smtp.gmail.com with ESMTPSA id h2sm3079024wrt.45.2020.02.19.04.59.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Feb 2020 04:59:12 -0800 (PST) From: "=?UTF-8?q?Christian=20K=C3=B6nig?=" X-Google-Original-From: =?UTF-8?q?Christian=20K=C3=B6nig?= To: dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-media@vger.kernel.org, intel-gfx@lists.freedesktop.org, daniel@ffwll.ch Subject: [PATCH 2/7] drm/ttm: remove the backing store if no placement is given Date: Wed, 19 Feb 2020 13:59:05 +0100 Message-Id: <20200219125910.89147-2-christian.koenig@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200219125910.89147-1-christian.koenig@amd.com> References: <20200219125910.89147-1-christian.koenig@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Pipeline removal of the BOs backing store when no placement is given during validation. Signed-off-by: Christian König --- drivers/gpu/drm/ttm/ttm_bo.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 151edfd8de77..6d1e91be9c78 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1196,6 +1196,18 @@ int ttm_bo_validate(struct ttm_buffer_object *bo, uint32_t new_flags; dma_resv_assert_held(bo->base.resv); + + /* + * Remove the backing store if no placement is given. + */ + if (!placement->num_placement && !placement->num_busy_placement) { + ret = ttm_bo_pipeline_gutting(bo); + if (ret) + return ret; + + return ttm_tt_create(bo, false); + } + /* * Check whether we need to move buffer. */ -- 2.17.1