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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 A1074C433F5 for ; Wed, 5 Sep 2018 06:04:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4B28B20658 for ; Wed, 5 Sep 2018 06:04:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4B28B20658 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727626AbeIEKdW (ORCPT ); Wed, 5 Sep 2018 06:33:22 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:47640 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726230AbeIEKdW (ORCPT ); Wed, 5 Sep 2018 06:33:22 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 21FC040241C8; Wed, 5 Sep 2018 06:04:49 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-66.ams2.redhat.com [10.36.116.66]) by smtp.corp.redhat.com (Postfix) with ESMTP id A9FE3B27AE; Wed, 5 Sep 2018 06:04:46 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 279B91746F; Wed, 5 Sep 2018 08:04:46 +0200 (CEST) From: Gerd Hoffmann To: dri-devel@lists.freedesktop.org Cc: michel@daenzer.net, imirkin@alum.mit.edu, Gerd Hoffmann , Gustavo Padovan , Maarten Lankhorst , Sean Paul , David Airlie , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 2/6] drm: byteorder: add DRM_FORMAT_HOST_* Date: Wed, 5 Sep 2018 08:04:41 +0200 Message-Id: <20180905060445.15008-3-kraxel@redhat.com> In-Reply-To: <20180905060445.15008-1-kraxel@redhat.com> References: <20180905060445.15008-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Wed, 05 Sep 2018 06:04:49 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Wed, 05 Sep 2018 06:04:49 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'kraxel@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add fourcc variants in host byte order. With these at hand we don't need #ifdefs in drivers which support framebuffers in cpu endianess. Signed-off-by: Gerd Hoffmann --- include/drm/drm_fourcc.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h index f9c15845f4..fac831c401 100644 --- a/include/drm/drm_fourcc.h +++ b/include/drm/drm_fourcc.h @@ -25,6 +25,28 @@ #include #include +/* + * DRM formats are little endian. Define host endian variants for the + * most common formats here, to reduce the #ifdefs needed in drivers. + * + * Note that the DRM_FORMAT_BIG_ENDIAN flag should only be used in + * case the format can't be specified otherwise, so we don't end up + * with two values describing the same format. + */ +#ifdef __BIG_ENDIAN +# define DRM_FORMAT_HOST_XRGB1555 (DRM_FORMAT_XRGB1555 | \ + DRM_FORMAT_BIG_ENDIAN) +# define DRM_FORMAT_HOST_RGB565 (DRM_FORMAT_RGB565 | \ + DRM_FORMAT_BIG_ENDIAN) +# define DRM_FORMAT_HOST_XRGB8888 DRM_FORMAT_BGRX8888 +# define DRM_FORMAT_HOST_ARGB8888 DRM_FORMAT_BGRA8888 +#else +# define DRM_FORMAT_HOST_XRGB1555 DRM_FORMAT_XRGB1555 +# define DRM_FORMAT_HOST_RGB565 DRM_FORMAT_RGB565 +# define DRM_FORMAT_HOST_XRGB8888 DRM_FORMAT_XRGB8888 +# define DRM_FORMAT_HOST_ARGB8888 DRM_FORMAT_ARGB8888 +#endif + struct drm_device; struct drm_mode_fb_cmd2; -- 2.9.3