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 C7249C34024 for ; Mon, 17 Feb 2020 15:45:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A0BC824670 for ; Mon, 17 Feb 2020 15:45:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="LhUrZ5r+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729376AbgBQPpQ (ORCPT ); Mon, 17 Feb 2020 10:45:16 -0500 Received: from mail-wm1-f66.google.com ([209.85.128.66]:34297 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729347AbgBQPpP (ORCPT ); Mon, 17 Feb 2020 10:45:15 -0500 Received: by mail-wm1-f66.google.com with SMTP id s144so179349wme.1 for ; Mon, 17 Feb 2020 07:45:15 -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=+IMDOmFylD8uY29srTPJeuhzvALvSmjHT6oldeZvGlc=; b=LhUrZ5r+Hh5Ypw/NTckBaw4la+jkk5dnSovmwQ+mxJTUPxUWl9t9MbKSZCKcJ9+cbe y/5m8Pd/y4d83Uy8NeOKeuAGy1f68QeJgKox2UdF6yQ2fGjibOGs6Jp/CbEA94CuJLc5 0Y1cy/wJYUqSgjmJ7R9qLH0AAB5RTdn9YBV2Nn0DnxBNvsIEeEYZLMkiEkyG1Hfdc+gW ohE8fDd0+DI7boKQxErueU/hgpGFkwAHhZ4KdjWei5dQqE9lF5o2EY/uJTdpU96qzjnl pF3N8zsowUplkELdewoc3gv5u261pIZGZG4zCdfhRoJawy3ja0O9L+pMLpnMXh6CQj++ 8VbA== 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=+IMDOmFylD8uY29srTPJeuhzvALvSmjHT6oldeZvGlc=; b=K8rlT9aD0Ua+vhA9obbiSyEbfNf6CJtIF8euHwsI+JfGPoirpjfswkWZj+4cmLe2Pp PFwHjrGQyvxIg+koiSmiixC7Q+XFjUD+rYZMy0gH7sCFXmBAIJi7H+aL1BqJlvbpQUpL Nf0kgVx5SEueWHBD/sjOA3dPTkyx68CMyy7ypXhUIx/AaKET8ZVpHJ4EP9WS+ZkLuy/c NEVu8SSeHx1FO7On9jChU3npoy3K4zxmkqzir6JFcoklEHvXWEeZf35+MxUzLq2e9Cc0 Zfqkjp/AP/uII81pq14YP9q+gZjA3fK9J9oWG/GCdPGA8GAHn2upiw/NQ0XTy+v7g39j JkSQ== X-Gm-Message-State: APjAAAWQxlbbS/SrMOtXy8PbRHpZ+z+bwetft0PaZWqHuGkd3HtftFSm ECQ2Hmt7MQWyFL52i79/Srs= X-Google-Smtp-Source: APXvYqzwzcqOuX6mDbw5hwvhy07pOTJEJrMbcblybJM071pMDEkY0YwtF2pDWB7YbLXWi2/ItUl3fA== X-Received: by 2002:a05:600c:211:: with SMTP id 17mr22731033wmi.60.1581954314747; Mon, 17 Feb 2020 07:45:14 -0800 (PST) Received: from abel.fritz.box ([2a02:908:1252:fb60:180d:d2d6:6ff9:a6cb]) by smtp.gmail.com with ESMTPSA id r6sm1372658wrq.92.2020.02.17.07.45.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Feb 2020 07:45:14 -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 2/5] drm/ttm: remove the backing store if no placement is given Date: Mon, 17 Feb 2020 16:45:06 +0100 Message-Id: <20200217154509.2265-3-christian.koenig@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200217154509.2265-1-christian.koenig@amd.com> References: <20200217154509.2265-1-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 229205e499db..a56cb2a2b4ad 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -1225,6 +1225,18 @@ 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