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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B7241C38159 for ; Fri, 20 Jan 2023 06:04:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 90BE610EA49; Fri, 20 Jan 2023 06:04:45 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id F183210EA49; Fri, 20 Jan 2023 06:04:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1674194684; x=1705730684; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AASS0FwnVNe/OPJgQFOtVGbVsH7cgW31yZ998Bbq/EI=; b=U7reOrVpObiyYul9SZAksZdDXSbzFKp4S7QiUnFRrTLxB5PwIbmG+WLD RtqS6RzgOgQIpCHFzZPGPM8DSg+fXNGScQKeaH+TIJrfBrRbid6bGehOy 8YYcPk99w5ZyhGjmwHt+YfBE3t6kvILFtLUBe+ZTzQfJa6tsYMnRrsjDT rtMqERWwxJE7HwbPJL6LJl5XvXqQ+vlCGqE3s1IKiSxaRBzSiiUiCVnvO vnCP8dvJyVR2jL3WCP8oCvStZUyVb0xdT+FG/A4rCk8LeAXYwR+w4BN8d aUr+x6Oi/QfQfIbgh1jENtHo7lEuIQ996cbFyC/YQE6tacIrLkDDiT7Ei Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10595"; a="305880035" X-IronPort-AV: E=Sophos;i="5.97,231,1669104000"; d="scan'208";a="305880035" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jan 2023 22:04:43 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10595"; a="784408771" X-IronPort-AV: E=Sophos;i="5.97,231,1669104000"; d="scan'208";a="784408771" Received: from srr4-3-linux-106-armuthy.iind.intel.com ([10.190.238.56]) by orsmga004.jf.intel.com with ESMTP; 19 Jan 2023 22:04:41 -0800 From: Arun R Murthy To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, jani.nikula@intel.com Date: Fri, 20 Jan 2023 11:29:11 +0530 Message-Id: <20230120055912.1450647-1-arun.r.murthy@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230113043653.795183-1-arun.r.murthy@intel.com> References: <20230113043653.795183-1-arun.r.murthy@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Intel-gfx] [PATCHv2 1/2] drm: Add SDP Error Detection Configuration Register X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Harry Wentland Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" DP2.0 E11 defines a new register to facilitate SDP error detection by a 128B/132B capable DPRX device. v2: Update the macro name to reflect the DP spec(Harry) Signed-off-by: Arun R Murthy Reviewed-by: Harry Wentland --- include/drm/display/drm_dp.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h index 632376c291db..358db4a9f167 100644 --- a/include/drm/display/drm_dp.h +++ b/include/drm/display/drm_dp.h @@ -692,6 +692,9 @@ # define DP_FEC_LANE_2_SELECT (2 << 4) # define DP_FEC_LANE_3_SELECT (3 << 4) +#define DP_SDP_ERROR_DETECTION_CONFIGURATION 0x121 /* DP 2.0 E11 */ +#define DP_SDP_CRC16_128B132B_EN BIT(0) + #define DP_AUX_FRAME_SYNC_VALUE 0x15c /* eDP 1.4 */ # define DP_AUX_FRAME_SYNC_VALID (1 << 0) -- 2.25.1