From patchwork Fri Feb 2 14:05:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jani Nikula X-Patchwork-Id: 13542918 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 95E44C4828F for ; Fri, 2 Feb 2024 14:05:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2424910E782; Fri, 2 Feb 2024 14:05:46 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="g7qF+8XI"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8FD1A10E77C; Fri, 2 Feb 2024 14:05:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706882745; x=1738418745; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=Oa0hPWy61i5mT3dBxqzy6opmTiQPuCKY6YQkiEuroZ8=; b=g7qF+8XI7YrpCmbf2NzZcp0nPjiNgnOF8AosPypICNCYEIgSv8/fSFYs AmZH9KsP80Dqo6GoHZVvD0ETa3XjrSYIww1C4c2N+E6kOcECCMu095IzX drfJWPkZgpzPlYGlm9y0PMaOXlQKvuOrbZOrY33U5XRWwo1kOxiFqmEzI NgxNm6BQXrJabQTKYicmVHTeYekftgtwo6zLpQvGSzcxWVu1o2kJ3+Y48 CTR1AJ4b6sSSEuKixpn6BgLBBBbESqiLD6EUvjLRErW7ftHnBBXB2Cdw4 ZYvacotnfgIhbosaYBNmKiT+Yvhm6o1rel7hIPmX106WsgxnsQ6RvC5c5 Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10971"; a="17578409" X-IronPort-AV: E=Sophos;i="6.05,238,1701158400"; d="scan'208";a="17578409" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Feb 2024 06:05:42 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,238,1701158400"; d="scan'208";a="23367404" Received: from mmermeza-mobl3.ger.corp.intel.com (HELO localhost) ([10.252.59.198]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Feb 2024 06:05:39 -0800 From: Jani Nikula To: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, jani.nikula@intel.com, Arun R Murthy , =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= Subject: [RFC 0/4] drm/i915/mst: enable MST mode for 128b/132b single-stream sideband Date: Fri, 2 Feb 2024 16:05:30 +0200 Message-Id: X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Draft for comments. BR, Jani. Cc: Arun R Murthy Cc: Ville Syrjälä Jani Nikula (4): drm/mst: read sideband messaging cap drm/i915/dp: refactor DP MST detection and configuration drm/i915/mst: improve debug logging of DP MST mode detect drm/i915/mst: enable MST mode for 128b/132b single-stream sideband drivers/gpu/drm/display/drm_dp_mst_topology.c | 20 ++++--- drivers/gpu/drm/i915/display/intel_dp.c | 53 ++++++++++--------- drivers/gpu/drm/nouveau/nouveau_dp.c | 2 +- include/drm/display/drm_dp_mst_helper.h | 23 +++++++- 4 files changed, 64 insertions(+), 34 deletions(-)