From patchwork Thu Nov 23 08:26:33 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Zhang, Tina" X-Patchwork-Id: 10072477 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 49BA360353 for ; Thu, 23 Nov 2017 08:32:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3831A29EEB for ; Thu, 23 Nov 2017 08:32:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2D0FE29EF4; Thu, 23 Nov 2017 08:32:23 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DA8AC29EEB for ; Thu, 23 Nov 2017 08:32:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0A4E66E721; Thu, 23 Nov 2017 08:32:22 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2F6836E41C; Thu, 23 Nov 2017 08:32:18 +0000 (UTC) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Nov 2017 00:32:14 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.44,440,1505804400"; d="scan'208";a="8583116" Received: from tinazhang-linux-1.bj.intel.com ([10.238.158.80]) by orsmga001.jf.intel.com with ESMTP; 23 Nov 2017 00:32:07 -0800 From: Tina Zhang To: alex.williamson@redhat.com, kraxel@redhat.com, chris@chris-wilson.co.uk, joonas.lahtinen@linux.intel.com, zhenyuw@linux.intel.com, zhiyuan.lv@intel.com, zhi.a.wang@intel.com, kevin.tian@intel.com, daniel@ffwll.ch, kwankhede@nvidia.com, hang.yuan@intel.com Date: Thu, 23 Nov 2017 16:26:33 +0800 Message-Id: <1511425598-2437-3-git-send-email-tina.zhang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1511425598-2437-1-git-send-email-tina.zhang@intel.com> References: <1511425598-2437-1-git-send-email-tina.zhang@intel.com> MIME-Version: 1.0 Cc: Daniel Vetter , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, Dave Airlie , intel-gvt-dev@lists.freedesktop.org Subject: [Intel-gfx] [PATCH v19 2/6] drm: Introduce RGB 64-bit 16:16:16:16 float format X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP The RGB 64-bit 16:16:16:16 float pixel format is needed by some Apps in windows. The float format in each component is 1:5:10 MSb-sign:exponent: fraction. This patch is to introduce the format to drm, so that the windows guest's framebuffer in this kind of format can be recognized and used by linux host. v14: - add some details about the float pixel format. (Daniel) - add F suffix to the defined name. (Daniel) v12: - send to dri-devel at lists.freedesktop.org. (Ville) v9: - separated from framebuffer decoder patch. (Zhenyu) (Xiaoguang) Signed-off-by: Tina Zhang Cc: Ville Syrjälä Cc: Dave Airlie Cc: Daniel Vetter --- include/uapi/drm/drm_fourcc.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 3ad838d..391d2e6 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -113,6 +113,10 @@ extern "C" { #define DRM_FORMAT_AYUV fourcc_code('A', 'Y', 'U', 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */ +/* 64 bpp RGB 16:16:16:16 Floating Point */ +#define DRM_FORMAT_XRGB161616F fourcc_code('X', 'R', '3', 'F') /* [63:0] x:R:G:B 16:16:16:16 little endian */ +#define DRM_FORMAT_XBGR161616F fourcc_code('X', 'B', '3', 'F') /* [63:0] x:B:G:R 16:16:16:16 little endian */ + /* * 2 plane RGB + A * index 0 = RGB plane, same format as the corresponding non _A8 format has