From patchwork Tue Mar 14 20:01:29 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Navare, Manasi" X-Patchwork-Id: 9624399 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 59D0660244 for ; Tue, 14 Mar 2017 20:03:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 497DE285B3 for ; Tue, 14 Mar 2017 20:03:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3E364285B7; Tue, 14 Mar 2017 20:03:28 +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, UPPERCASE_50_75 autolearn=unavailable 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 E95F6285B3 for ; Tue, 14 Mar 2017 20:03:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 03EFD6E7BE; Tue, 14 Mar 2017 20:03:27 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 674306E05A; Tue, 14 Mar 2017 20:03:25 +0000 (UTC) Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP; 14 Mar 2017 13:03:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.36,165,1486454400"; d="scan'208";a="75402986" Received: from labuser-z97x-ud5h.jf.intel.com ([10.7.199.62]) by orsmga005.jf.intel.com with ESMTP; 14 Mar 2017 13:03:24 -0700 From: Manasi Navare To: intel-gfx@lists.freedesktop.org Subject: [PATCH v3] drm: Add DPCD definitions for DP 1.4 DSC feature Date: Tue, 14 Mar 2017 13:01:29 -0700 Message-Id: <1489521689-1162-1-git-send-email-manasi.d.navare@intel.com> X-Mailer: git-send-email 2.1.4 Cc: "Navare, Manasi D" , dri-devel@lists.freedesktop.org, Paulo Zanoni X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: "Navare, Manasi D" Display stream compression is supported on DP 1.4 DP devices. This patch adds the corersponding DPCD register definitions for DSC. v3: * Add some SHIFTS and MASKS for uniformity (Jani Nikula) v2: * Rebased on drm-tip Signed-off-by: Manasi Navare Cc: Jani Nikula Cc: Paulo Zanoni Cc: dri-devel@lists.freedesktop.org --- include/drm/drm_dp_helper.h | 105 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index c0bd0d7..e1fb04f 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -179,6 +179,111 @@ #define DP_GUID 0x030 /* 1.2 */ +#define DP_DSC_SUPPORT 0x060 /* DP 1.4 */ +# define DP_DSC_DECOMPRESSION_IS_SUPPORTED (1 << 0) + +#define DP_DSC_REV 0x061 +# define DP_DSC_MAJOR_MASK (0xf << 0) +# define DP_DSC_MINOR_MASK (0xf << 4) +# define DP_DSC_MAJOR_SHIFT 0 +# define DP_DSC_MINOR_SHIFT 4 + +#define DP_DSC_RC_BUF_BLK_SIZE 0x062 +# define DP_DSC_RC_BUF_BLK_SIZE_1 0x0 +# define DP_DSC_RC_BUF_BLK_SIZE_4 0x1 +# define DP_DSC_RC_BUF_BLK_SIZE_16 0x2 +# define DP_DSC_RC_BUF_BLK_SIZE_64 0x3 + +#define DP_DSC_RC_BUF_SIZE 0x063 + +#define DP_DSC_SLICE_CAP_1 0x064 +# define DP_DSC_1_PER_DP_DSC_SINK (1 << 0) +# define DP_DSC_2_PER_DP_DSC_SINK (1 << 1) +# define DP_DSC_4_PER_DP_DSC_SINK (1 << 3) +# define DP_DSC_6_PER_DP_DSC_SINK (1 << 4) +# define DP_DSC_8_PER_DP_DSC_SINK (1 << 5) +# define DP_DSC_10_PER_DP_DSC_SINK (1 << 6) +# define DP_DSC_12_PER_DP_DSC_SINK (1 << 7) + +#define DP_DSC_LINE_BUF_BIT_DEPTH 0x065 +# define DP_DSC_LINE_BUF_BIT_DEPTH_MASK (0xf << 0) +# define DP_DSC_LINE_BUF_BIT_DEPTH_9 0x0 +# define DP_DSC_LINE_BUF_BIT_DEPTH_10 0x1 +# define DP_DSC_LINE_BUF_BIT_DEPTH_11 0x2 +# define DP_DSC_LINE_BUF_BIT_DEPTH_12 0x3 +# define DP_DSC_LINE_BUF_BIT_DEPTH_13 0x4 +# define DP_DSC_LINE_BUF_BIT_DEPTH_14 0x5 +# define DP_DSC_LINE_BUF_BIT_DEPTH_15 0x6 +# define DP_DSC_LINE_BUF_BIT_DEPTH_16 0x7 +# define DP_DSC_LINE_BUF_BIT_DEPTH_8 0x8 + +#define DP_DSC_BLK_PREDICTION_SUPPORT 0x066 +# define DP_DSC_BLK_PREDICTION_IS_SUPPORTED (1 << 0) + +#define DP_DSC_MAX_BITS_PER_PIXEL_LOW 0x067 /* eDP 1.4 */ + +#define DP_DSC_MAX_BITS_PER_PIXEL_HI 0x068 /* eDP 1.4 */ + +#define DP_DSC_DEC_COLOR_FORMAT_CAP 0x069 +# define DP_DSC_RGB (1 << 0) +# define DP_DSC_YCbCr444 (1 << 1) +# define DP_DSC_YCbCr422_Simple (1 << 2) +# define DP_DSC_YCbCr422_Native (1 << 3) +# define DP_DSC_YCbCr420_Native (1 << 4) + +#define DP_DSC_DEC_COLOR_DEPTH_CAP 0x06A +# define DP_DSC_8_BPC (1 << 1) +# define DP_DSC_10_BPC (1 << 2) +# define DP_DSC_12_BPC (1 << 3) + +#define DP_DSC_PEAK_THROUGHPUT 0x06B +# define DP_DSC_THROUGHPUT_MODE_0_MASK (0xf << 0) +# define DP_DSC_THROUGHPUT_MODE_0_SHIFT 0 +# define DP_DSC_THROUGHPUT_MODE_0_340 (1 << 0) +# define DP_DSC_THROUGHPUT_MODE_0_400 (2 << 0) +# define DP_DSC_THROUGHPUT_MODE_0_450 (3 << 0) +# define DP_DSC_THROUGHPUT_MODE_0_500 (4 << 0) +# define DP_DSC_THROUGHPUT_MODE_0_550 (5 << 0) +# define DP_DSC_THROUGHPUT_MODE_0_600 (6 << 0) +# define DP_DSC_THROUGHPUT_MODE_0_650 (7 << 0) +# define DP_DSC_THROUGHPUT_MODE_0_700 (8 << 0) +# define DP_DSC_THROUGHPUT_MODE_0_750 (9 << 0) +# define DP_DSC_THROUGHPUT_MODE_0_800 (10 << 0) +# define DP_DSC_THROUGHPUT_MODE_0_850 (11 << 0) +# define DP_DSC_THROUGHPUT_MODE_0_900 (12 << 0) +# define DP_DSC_THROUGHPUT_MODE_0_950 (13 << 0) +# define DP_DSC_THROUGHPUT_MODE_0_1000 (14 << 0) +# define DP_DSC_THROUGHPUT_MODE_1_MASK (0xf << 4) +# define DP_DSC_THROUGHPUT_MODE_1_SHIFT 4 +# define DP_DSC_THROUGHPUT_MODE_1_340 (1 << 4) +# define DP_DSC_THROUGHPUT_MODE_1_400 (2 << 4) +# define DP_DSC_THROUGHPUT_MODE_1_450 (3 << 4) +# define DP_DSC_THROUGHPUT_MODE_1_500 (4 << 4) +# define DP_DSC_THROUGHPUT_MODE_1_550 (5 << 4) +# define DP_DSC_THROUGHPUT_MODE_1_600 (6 << 4) +# define DP_DSC_THROUGHPUT_MODE_1_650 (7 << 4) +# define DP_DSC_THROUGHPUT_MODE_1_700 (8 << 4) +# define DP_DSC_THROUGHPUT_MODE_1_750 (9 << 4) +# define DP_DSC_THROUGHPUT_MODE_1_800 (10 << 4) +# define DP_DSC_THROUGHPUT_MODE_1_850 (11 << 4) +# define DP_DSC_THROUGHPUT_MODE_1_900 (12 << 4) +# define DP_DSC_THROUGHPUT_MODE_1_950 (13 << 4) +# define DP_DSC_THROUGHPUT_MODE_1_1000 (14 << 4) + +#define DP_DSC_MAX_SLICE_WIDTH 0x06C + +#define DP_DSC_SLICE_CAP_2 0x06D +# define DP_DSC_16_PER_DP_DSC_SINK (1 << 0) +# define DP_DSC_20_PER_DP_DSC_SINK (1 << 1) +# define DP_DSC_24_PER_DP_DSC_SINK (1 << 2) + +#define DP_DSC_BITS_PER_PIXEL_INC 0x06F +# define DP_DSC_BITS_PER_PIXEL_1_16 0x0 +# define DP_DSC_BITS_PER_PIXEL_1_8 0x1 +# define DP_DSC_BITS_PER_PIXEL_1_4 0x2 +# define DP_DSC_BITS_PER_PIXEL_1_2 0x3 +# define DP_DSC_BITS_PER_PIXEL_1 0x4 + #define DP_PSR_SUPPORT 0x070 /* XXX 1.2? */ # define DP_PSR_IS_SUPPORTED 1 # define DP_PSR2_IS_SUPPORTED 2 /* eDP 1.4 */