From patchwork Tue Jul 23 04:45:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kandpal, Suraj" X-Patchwork-Id: 13739316 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 7C5A7C3DA63 for ; Tue, 23 Jul 2024 04:47:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F383310E401; Tue, 23 Jul 2024 04:47:41 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="N8KeMR4C"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6581E10E401 for ; Tue, 23 Jul 2024 04:47:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1721710058; x=1753246058; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=8sY8xLYclNt6solELE9N01Ot+2yFzRVexIEXFXr6Ytc=; b=N8KeMR4CfXIJah31eVS5YfayVVfZNsx3zAUCGeV1hJaFdr/CUsn6uLFa 1z+qUpMZEUHCfNXT03Le5kgMM25v7Qae8UQmvHrq9U0Tr1wVf/11GUHL3 w6v/AdSMZunOCfU4e1Ts+WM5JcxUFdeXR/yCr9/g+So6ZFOQkqzDRIZJm FJ+wLIuVr07ihDbTJ2YSbjKGgoGYMNujmGCRoi5af6vXIdUoO9c/EvHY5 qwOqEUdh+n6atGMclNzJHHE7Mq1TBImUVGv6PnyUuwrVNpn2a17SWc4gR TGvQ5kzOiuwmDRWNrHQK1rnDDa6Q//Z1+TySERRkI0TNMJWXdtDXcg68T A==; X-CSE-ConnectionGUID: Ei5jlhI1QfGXZ86VxfX4UA== X-CSE-MsgGUID: lmwujPJcSaCiLIs35lv5ag== X-IronPort-AV: E=McAfee;i="6700,10204,11141"; a="19437901" X-IronPort-AV: E=Sophos;i="6.09,229,1716274800"; d="scan'208";a="19437901" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jul 2024 21:47:38 -0700 X-CSE-ConnectionGUID: UlYw3PdVRNOBQJOLYq081w== X-CSE-MsgGUID: oY1AtwVsQxWGLmXdHFVRNA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,229,1716274800"; d="scan'208";a="51996638" Received: from kandpal-x299-ud4-pro.iind.intel.com ([10.190.239.32]) by orviesa010.jf.intel.com with ESMTP; 22 Jul 2024 21:47:37 -0700 From: Suraj Kandpal To: intel-gfx@lists.freedesktop.org Cc: ankit.k.nautiyal@intel.com, Suraj Kandpal Subject: [PATCH] drm/i915/hdcp: Derive aux for mst from mst_port Date: Tue, 23 Jul 2024 10:15:13 +0530 Message-ID: <20240723044513.3618353-1-suraj.kandpal@intel.com> X-Mailer: git-send-email 2.43.2 MIME-Version: 1.0 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Use the mst_port(intel_dp) variable to derive remote aux. We are sporadically seeing connector->port->aux giving an invalid address. Signed-off-by: Suraj Kandpal --- drivers/gpu/drm/i915/display/intel_dp_hdcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c index 2edffe62f360..58915a2ad5dd 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c @@ -696,7 +696,7 @@ int intel_dp_hdcp_get_remote_capability(struct intel_connector *connector, if (!connector->mst_port) return -EINVAL; - aux = &connector->port->aux; + aux = &connector->mst_port->aux; ret = _intel_dp_hdcp2_get_capability(aux, hdcp2_capable); if (ret) drm_dbg_kms(&i915->drm,