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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 57174C43381 for ; Thu, 11 Mar 2021 12:32:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B57264FE7 for ; Thu, 11 Mar 2021 12:32:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233270AbhCKMcM (ORCPT ); Thu, 11 Mar 2021 07:32:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34142 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232827AbhCKMcA (ORCPT ); Thu, 11 Mar 2021 07:32:00 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BD923C061574; Thu, 11 Mar 2021 04:32:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=3dL2RTK5CP6zBocigTa8DXgh+MeDd98SDxYX1uvNwOI=; b=VwyAVKME/G5rGDh+TQFjhJXgo/ +Cck6BxkuJwD+A1MeTHE51+M0h/041Gu6ZMAQb6pDLsj2lHKzQ0DIzN1LCB8Noh01NMLe5HfSbNPx Q2gNdZlV1FKrtX8+N+0Ki1DDR36M7H+7nMqyumifUGcNsSpO85TAjWf1voGK0+2Ug8HRlpkuXwF+w kojSpIKVTULxrqi3lOKsgv/uoGI2jcbLK+8niQiaEaWXNSIcaNk8Y4BznRP8hb9qcedwUv9TbWgXa B0hGo2P7y9BBdW4NtR3F9OXkpqyD2bToAq25QatBrkAK9Yi3uqUdARld/Y3EBw3EogmyoqwqSVE2f Z12PbQ3A==; Received: from hch by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lKKSe-007J1U-RQ; Thu, 11 Mar 2021 12:30:50 +0000 Date: Thu, 11 Mar 2021 12:30:40 +0000 From: Christoph Hellwig To: Paul Cercueil Cc: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Sam Ravnborg , od@zcrc.me, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org Subject: Re: [PATCH v2 5/5] drm/ingenic: Add option to alloc cached GEM buffers Message-ID: <20210311123040.GD1739082@infradead.org> References: <20210307202835.253907-1-paul@crapouillou.net> <20210307202835.253907-6-paul@crapouillou.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210307202835.253907-6-paul@crapouillou.net> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Mar 07, 2021 at 08:28:35PM +0000, Paul Cercueil wrote: > With the module parameter ingenic-drm.cached_gem_buffers, it is possible > to specify that we want GEM buffers backed by non-coherent memory. Shouldn't there be a way to discover this through a DT property?