From patchwork Thu Nov 26 07:37:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gupta, Anshuman" X-Patchwork-Id: 11932941 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 9535EC6379D for ; Thu, 26 Nov 2020 07:51:30 +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 38DB6206B5 for ; Thu, 26 Nov 2020 07:51:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 38DB6206B5 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 6F8636E83D; Thu, 26 Nov 2020 07:51:25 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id A2EBE6E83D; Thu, 26 Nov 2020 07:51:23 +0000 (UTC) IronPort-SDR: zH9mSncpGNHeLFJmfVubudjVekgiRpfzTzkLX+G2SBxUgqZRgqwdbRu376Y+NdUP7x/rF809d7 8sC2ClK8jK2g== X-IronPort-AV: E=McAfee;i="6000,8403,9816"; a="152084914" X-IronPort-AV: E=Sophos;i="5.78,371,1599548400"; d="scan'208";a="152084914" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Nov 2020 23:51:23 -0800 IronPort-SDR: WYiRsV/B2nGXUQfGO1PaEn+AfW8yuhTT3UdLBiZiKv/oiIzKiMBdIBIWW6kSz8Uoiu4t8siAXL atGMtd9RVung== X-IronPort-AV: E=Sophos;i="5.78,371,1599548400"; d="scan'208";a="535652436" Received: from genxfsim-desktop.iind.intel.com ([10.223.74.178]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Nov 2020 23:51:20 -0800 From: Anshuman Gupta To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Date: Thu, 26 Nov 2020 13:07:06 +0530 Message-Id: <20201126073722.19107-3-anshuman.gupta@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201126073722.19107-1-anshuman.gupta@intel.com> References: <20201126073722.19107-1-anshuman.gupta@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v6 02/18] drm/i915/hdcp: Get conn while content_type changed 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 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Get DRM connector reference count while scheduling a prop work to avoid any possible destroy of DRM connector when it is in DRM_CONNECTOR_REGISTERED state. Fixes: a6597faa2d59 ("drm/i915: Protect workers against disappearing connectors") Cc: Sean Paul Cc: Ramalingam C Reviewed-by: Uma Shankar Reviewed-by: Ramalingam C Tested-by: Karthik B S Signed-off-by: Anshuman Gupta --- drivers/gpu/drm/i915/display/intel_hdcp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index eee8263405b9..b9d8825e2bb1 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -2210,6 +2210,7 @@ void intel_hdcp_update_pipe(struct intel_atomic_state *state, if (content_protection_type_changed) { mutex_lock(&hdcp->mutex); hdcp->value = DRM_MODE_CONTENT_PROTECTION_DESIRED; + drm_connector_get(&connector->base); schedule_work(&hdcp->prop_work); mutex_unlock(&hdcp->mutex); }