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 F1DE7CCF9F8 for ; Mon, 3 Nov 2025 22:37:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AFF2A10E4D4; Mon, 3 Nov 2025 22:37:28 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="jRSN5G2Q"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3FC3B10E4D4; Mon, 3 Nov 2025 22:37:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762209447; x=1793745447; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=+HKk9ZADFgwOla3idsQwQ/rr8/DzB+VnpJERK1OCAPc=; b=jRSN5G2QCWnUSTIkkfqI267Iq8H1W6gJ2vLjuhuCjFi+J1pg+h/okTG6 zF5rOWFv20yp36XsSb4JaTqWdhBOsytGEJFeYpGraAW5WXxZZ9bhW8P4H WvtrVRsGmnKTCuWE4C8nZk+ZXdulkbkZPVVPe0e7rd5xoD1Px1sQptpGN Vd9v15/JjTKRX2a/QA3zf5q+CNYEFB6eGGYCbYttZIdNp7bUNEU+cI/Cz 0/J7OKDklqfSTHfMiEwGzxKDvBdDSCx1E/s4FBjgtDDHSX6989O+7pBuR MrQlGlIlIbTU+Ab/47nOHkyrmtEy9tq/Z+BjZgN6E0eiVPbTvppWCmR0o w==; X-CSE-ConnectionGUID: v/2W7Gf3TXiRBGzqQYV8ow== X-CSE-MsgGUID: 2BtQHkaIRQ+c6ujjhRzh6Q== X-IronPort-AV: E=McAfee;i="6800,10657,11602"; a="74899612" X-IronPort-AV: E=Sophos;i="6.19,277,1754982000"; d="scan'208";a="74899612" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Nov 2025 14:37:27 -0800 X-CSE-ConnectionGUID: agjDKTwrS1KrEQ8GJGg2kA== X-CSE-MsgGUID: uAI+HGdkSM2hVne50arLKQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,277,1754982000"; d="scan'208";a="187707498" Received: from srr4-3-linux-101-amanna.iind.intel.com ([10.223.74.76]) by fmviesa010.fm.intel.com with ESMTP; 03 Nov 2025 14:37:25 -0800 From: Animesh Manna To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: jani.nikula@intel.com, Animesh Manna , =?UTF-8?q?Jouni=20H=C3=B6gander?= Subject: [PATCH v2 02/10] drm/i915/alpm: alpm_init() for DP2.1 Date: Tue, 4 Nov 2025 03:39:49 +0530 Message-Id: <20251103220957.1229608-3-animesh.manna@intel.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20251103220957.1229608-1-animesh.manna@intel.com> References: <20251103220957.1229608-1-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" Initialize alpm for DP2.1 and separate out alpm mutex-init from alpm-init. v1: Initial version. v2: Separate out mutex-init. [Jani] Cc: Jouni Högander Signed-off-by: Animesh Manna --- drivers/gpu/drm/i915/display/intel_alpm.c | 1 - drivers/gpu/drm/i915/display/intel_dp.c | 11 ++++++++++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c b/drivers/gpu/drm/i915/display/intel_alpm.c index 6372f533f65b..639941e332f3 100644 --- a/drivers/gpu/drm/i915/display/intel_alpm.c +++ b/drivers/gpu/drm/i915/display/intel_alpm.c @@ -49,7 +49,6 @@ void intel_alpm_init(struct intel_dp *intel_dp) return; intel_dp->alpm_dpcd = dpcd; - mutex_init(&intel_dp->alpm.lock); } static int get_silence_period_symbols(const struct intel_crtc_state *crtc_state) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 0ec82fcbcf48..f995a98df2c3 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -6074,8 +6074,12 @@ intel_dp_detect(struct drm_connector *_connector, if (ret == 1) connector->base.epoch_counter++; - if (!intel_dp_is_edp(intel_dp)) + if (!intel_dp_is_edp(intel_dp)) { + if (DISPLAY_VER(display) >= 35) + intel_alpm_init(intel_dp); + intel_psr_init_dpcd(intel_dp); + } intel_dp_detect_dsc_caps(intel_dp, connector); @@ -6717,6 +6721,8 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, intel_hpd_enable_detection(encoder); intel_alpm_init(intel_dp); + if (intel_dp->alpm_dpcd) + mutex_init(&intel_dp->alpm.lock); /* Cache DPCD and EDID for edp. */ has_dpcd = intel_edp_init_dpcd(intel_dp, connector); @@ -6932,6 +6938,9 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, intel_psr_init(intel_dp); + if (DISPLAY_VER(display) >= 35) + mutex_init(&intel_dp->alpm.lock); + return true; fail: -- 2.29.0