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=-9.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 A6FA9C4363A for ; Tue, 27 Oct 2020 05:34:23 +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 14CC42085B for ; Tue, 27 Oct 2020 05:34:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 14CC42085B 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 89C2F6EACF; Tue, 27 Oct 2020 05:34:22 +0000 (UTC) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 787F26EACF; Tue, 27 Oct 2020 05:34:21 +0000 (UTC) IronPort-SDR: ezDkgpNc0UgeG7Jo0GohrWDWHC6/fTBF4tyLBCS4RRdSRxiqSEXSShwCQkQY8qOrz9JBaVJTy2 tGlv7YEk2Oyw== X-IronPort-AV: E=McAfee;i="6000,8403,9786"; a="147313367" X-IronPort-AV: E=Sophos;i="5.77,422,1596524400"; d="scan'208";a="147313367" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Oct 2020 22:34:21 -0700 IronPort-SDR: RRliqHFu+/yFQranw8EoISWlnde8BBoNl5qmJgoR6TLbAqOLDq49C4FWq5tQOWvXKtFcAc5M6m cAcZsBBQOXCg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,422,1596524400"; d="scan'208";a="322805432" Received: from fmsmsx602.amr.corp.intel.com ([10.18.126.82]) by orsmga006.jf.intel.com with ESMTP; 26 Oct 2020 22:34:20 -0700 Received: from bgsmsx606.gar.corp.intel.com (10.67.234.8) by fmsmsx602.amr.corp.intel.com (10.18.126.82) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Mon, 26 Oct 2020 22:34:19 -0700 Received: from bgsmsx604.gar.corp.intel.com (10.67.234.6) by BGSMSX606.gar.corp.intel.com (10.67.234.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Tue, 27 Oct 2020 11:04:17 +0530 Received: from bgsmsx604.gar.corp.intel.com ([10.67.234.6]) by BGSMSX604.gar.corp.intel.com ([10.67.234.6]) with mapi id 15.01.1713.004; Tue, 27 Oct 2020 11:04:17 +0530 From: "Shankar, Uma" To: "Gupta, Anshuman" , "intel-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" Thread-Topic: [PATCH v3 02/16] drm/i915/hdcp: Get conn while content_type changed Thread-Index: AQHWqTj0yadkjtyF+E+MKTfOqIEm4qmq8vYw Date: Tue, 27 Oct 2020 05:34:17 +0000 Message-ID: <447146c6e1034f7fb03c57f9e35d18d4@intel.com> References: <20201023122112.15265-1-anshuman.gupta@intel.com> <20201023122112.15265-3-anshuman.gupta@intel.com> In-Reply-To: <20201023122112.15265-3-anshuman.gupta@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.5.1.3 x-originating-ip: [10.223.10.1] MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH v3 02/16] 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: "Nikula, Jani" , "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" > -----Original Message----- > From: Anshuman Gupta > Sent: Friday, October 23, 2020 5:51 PM > To: intel-gfx@lists.freedesktop.org; dri-devel@lists.freedesktop.org > Cc: seanpaul@chromium.org; Nikula, Jani ; C, > Ramalingam ; Li, Juston ; > Shankar, Uma ; Gupta, Anshuman > > Subject: [PATCH v3 02/16] drm/i915/hdcp: Get conn while content_type changed > > 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 > 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 0d9e8d3b5603..42cf91cf4f20 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); Where are releasing this ref. > schedule_work(&hdcp->prop_work); > mutex_unlock(&hdcp->mutex); > } > -- > 2.26.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx