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 X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40F1FC4167B for ; Fri, 11 Dec 2020 13:56:41 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 086A423ECD for ; Fri, 11 Dec 2020 13:56:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 086A423ECD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B7CDA6EDF8; Fri, 11 Dec 2020 13:56:39 +0000 (UTC) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id EB2EE6EDF9; Fri, 11 Dec 2020 13:56:37 +0000 (UTC) IronPort-SDR: K4C3GvdnXLjGv1gFn0tGCp148JjWzWxC2Qzu1pTq6ipYKKEIyjlNnCGg6I4UDATQHjRdngpAT+ UeVqo7tOwYyg== X-IronPort-AV: E=McAfee;i="6000,8403,9831"; a="162187686" X-IronPort-AV: E=Sophos;i="5.78,411,1599548400"; d="scan'208";a="162187686" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Dec 2020 05:56:37 -0800 IronPort-SDR: gZoc+Juv5LSpRlHuZ0spk571mvq8rdRJNjNIptejEqwhxLVmeFqs4AsjsmsksmEfKsi/5qa9FR fN+LW+Y/i1hg== X-IronPort-AV: E=Sophos;i="5.78,411,1599548400"; d="scan'208";a="409228324" Received: from genxfsim-desktop.iind.intel.com ([10.223.74.178]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Dec 2020 05:56:34 -0800 From: Anshuman Gupta To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH v8 04/19] drm/i915/hdcp: No HDCP when encoder is't initialized Date: Fri, 11 Dec 2020 19:12:29 +0530 Message-Id: <20201211134244.14588-5-anshuman.gupta@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201211134244.14588-1-anshuman.gupta@intel.com> References: <20201211134244.14588-1-anshuman.gupta@intel.com> MIME-Version: 1.0 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: , Cc: jani.nikula@intel.com, Karthik B S , uma.shankar@intel.com, seanpaul@chromium.org, Anshuman Gupta , juston.li@intel.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" There can be situation when DP MST connector is created without mst modeset being done, in those cases connector->encoder will be NULL. MST connector->encoder initializes after modeset. Don't enable HDCP in such cases to prevent any crash. Cc: Ramalingam C Cc: Juston Li Tested-by: Karthik B S Signed-off-by: Anshuman Gupta --- drivers/gpu/drm/i915/display/intel_hdcp.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index b9d8825e2bb1..7d63e9495956 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -2106,6 +2106,12 @@ int intel_hdcp_enable(struct intel_connector *connector, if (!hdcp->shim) return -ENOENT; + if (!connector->encoder) { + drm_err(&dev_priv->drm, "[%s:%d] encoder is not initialized\n", + connector->base.name, connector->base.base.id); + return -ENODEV; + } + mutex_lock(&hdcp->mutex); mutex_lock(&dig_port->hdcp_mutex); drm_WARN_ON(&dev_priv->drm, -- 2.26.2 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel 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 X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA0ECC4361B for ; Fri, 11 Dec 2020 13:56:42 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 9512123ECD for ; Fri, 11 Dec 2020 13:56:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9512123ECD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B3EE86EDF9; Fri, 11 Dec 2020 13:56:40 +0000 (UTC) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id EB2EE6EDF9; Fri, 11 Dec 2020 13:56:37 +0000 (UTC) IronPort-SDR: K4C3GvdnXLjGv1gFn0tGCp148JjWzWxC2Qzu1pTq6ipYKKEIyjlNnCGg6I4UDATQHjRdngpAT+ UeVqo7tOwYyg== X-IronPort-AV: E=McAfee;i="6000,8403,9831"; a="162187686" X-IronPort-AV: E=Sophos;i="5.78,411,1599548400"; d="scan'208";a="162187686" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Dec 2020 05:56:37 -0800 IronPort-SDR: gZoc+Juv5LSpRlHuZ0spk571mvq8rdRJNjNIptejEqwhxLVmeFqs4AsjsmsksmEfKsi/5qa9FR fN+LW+Y/i1hg== X-IronPort-AV: E=Sophos;i="5.78,411,1599548400"; d="scan'208";a="409228324" Received: from genxfsim-desktop.iind.intel.com ([10.223.74.178]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Dec 2020 05:56:34 -0800 From: Anshuman Gupta To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Fri, 11 Dec 2020 19:12:29 +0530 Message-Id: <20201211134244.14588-5-anshuman.gupta@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201211134244.14588-1-anshuman.gupta@intel.com> References: <20201211134244.14588-1-anshuman.gupta@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v8 04/19] drm/i915/hdcp: No HDCP when encoder is't initialized 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: jani.nikula@intel.com, seanpaul@chromium.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" There can be situation when DP MST connector is created without mst modeset being done, in those cases connector->encoder will be NULL. MST connector->encoder initializes after modeset. Don't enable HDCP in such cases to prevent any crash. Cc: Ramalingam C Cc: Juston Li Tested-by: Karthik B S Signed-off-by: Anshuman Gupta --- drivers/gpu/drm/i915/display/intel_hdcp.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index b9d8825e2bb1..7d63e9495956 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -2106,6 +2106,12 @@ int intel_hdcp_enable(struct intel_connector *connector, if (!hdcp->shim) return -ENOENT; + if (!connector->encoder) { + drm_err(&dev_priv->drm, "[%s:%d] encoder is not initialized\n", + connector->base.name, connector->base.base.id); + return -ENODEV; + } + mutex_lock(&hdcp->mutex); mutex_lock(&dig_port->hdcp_mutex); drm_WARN_ON(&dev_priv->drm, -- 2.26.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx