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 DFFB0CCD1BF for ; Thu, 23 Oct 2025 09:08:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3D82110E36D; Thu, 23 Oct 2025 09:08:55 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="lbzx5Eb+"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 81F3D10E36D; Thu, 23 Oct 2025 09:08:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761210534; x=1792746534; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=vP75UYqStUxfUAo0NRPUUDcI0zbU9+UhrUWVpbfhTnE=; b=lbzx5Eb+AGvcFjca/Yjd/WvnAqxbBeYB8ZYEI67WIHOx8YnW1KkRqzOz wt6xldBP26KeW4WBixYLwRpEg/RTIkrIwPG/l7htXewQyJiw/2ScqkZqW Ryuy+/Yrqag1r1SpF5TnnIFjOasGW6RELMgeX6XxPAWxJO4SmMK0oo78i aaf/amBsYLLUVYap/A0bFcXrluJuU+abMCIexa8Ie6vANgJlgyoECtiM9 wqp64EKbvCUxoNgCrTas5aY49iToKeSWrPJSKsS1y7EB/0DHs9+Ui5Zc2 BOHz8gcFtfPUqH/yz7M6HnR+Ijdh+KwJlB+ijuhJfb7sCi+7mreIal1pB Q==; X-CSE-ConnectionGUID: VEIf7/i+QDGnYF9O8PObxQ== X-CSE-MsgGUID: /cjGW7wNQJWxe0RNqQexzg== X-IronPort-AV: E=McAfee;i="6800,10657,11586"; a="67020594" X-IronPort-AV: E=Sophos;i="6.19,249,1754982000"; d="scan'208";a="67020594" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Oct 2025 02:08:54 -0700 X-CSE-ConnectionGUID: TTDiRy6zS4+tP2c5Yso0lQ== X-CSE-MsgGUID: SW4dyZeATl6lqSen0d7qzA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,249,1754982000"; d="scan'208";a="183329384" Received: from srr4-3-linux-101-amanna.iind.intel.com ([10.223.74.76]) by orviesa010.jf.intel.com with ESMTP; 23 Oct 2025 02:08:52 -0700 From: Animesh Manna To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: Animesh Manna , =?UTF-8?q?Jouni=20H=C3=B6gander?= Subject: [PATCH 1/8] drm/i915/alpm: Add dpcd definition for DP2.1 alpm capability Date: Thu, 23 Oct 2025 14:11:40 +0530 Message-Id: <20251023084147.572535-2-animesh.manna@intel.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20251023084147.572535-1-animesh.manna@intel.com> References: <20251023084147.572535-1-animesh.manna@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Add required dpcd address which will be needed to enable DP2.1 alpm. Cc: Jouni Högander Signed-off-by: Animesh Manna --- include/drm/display/drm_dp.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h index e4eebabab975..b4bacbcf130e 100644 --- a/include/drm/display/drm_dp.h +++ b/include/drm/display/drm_dp.h @@ -1512,6 +1512,8 @@ /* See DP_128B132B_SUPPORTED_LINK_RATES for values */ #define DP_PHY_REPEATER_128B132B_RATES 0xf0007 /* 2.0 */ #define DP_PHY_REPEATER_EQ_DONE 0xf0008 /* 2.0 E11 */ +#define DP_LTTPR_ALPM_CAPABILITIES 0xf0009 /* 2.1 */ +#define DP_TOTAL_LTTPR_CNT 0xf000a /* 2.1 */ enum drm_dp_phy { DP_PHY_DPRX, @@ -1691,7 +1693,7 @@ enum drm_dp_phy { #define DP_DSC_BRANCH_CAP_SIZE 3 #define EDP_PSR_RECEIVER_CAP_SIZE 2 #define EDP_DISPLAY_CTL_CAP_SIZE 5 -#define DP_LTTPR_COMMON_CAP_SIZE 8 +#define DP_LTTPR_COMMON_CAP_SIZE 10 #define DP_LTTPR_PHY_CAP_SIZE 3 #define DP_SDP_AUDIO_TIMESTAMP 0x01 -- 2.29.0