From patchwork Wed Jul 12 08:28:53 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramalingam C X-Patchwork-Id: 9836261 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id DCEC860393 for ; Wed, 12 Jul 2017 08:30:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CEF6A284C7 for ; Wed, 12 Jul 2017 08:30:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C2CAE2850E; Wed, 12 Jul 2017 08:30:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 81B46284C7 for ; Wed, 12 Jul 2017 08:30:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8FBB76E3B8; Wed, 12 Jul 2017 08:29:43 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id BC9586E3B8; Wed, 12 Jul 2017 08:29:42 +0000 (UTC) Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Jul 2017 01:29:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.40,349,1496127600"; d="scan'208";a="126135067" Received: from mint-dev.iind.intel.com ([10.223.25.164]) by fmsmga006.fm.intel.com with ESMTP; 12 Jul 2017 01:29:40 -0700 From: Ramalingam C To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, daniel.vetter@intel.com Subject: [RFC v1 09/20] drm/hdcp: Generic enable, disable and late_init Date: Wed, 12 Jul 2017 13:58:53 +0530 Message-Id: <1499848144-8456-10-git-send-email-ramalingam.c@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1499848144-8456-1-git-send-email-ramalingam.c@intel.com> References: <1499848144-8456-1-git-send-email-ramalingam.c@intel.com> Cc: Ramalingam C , uma.shankar@intel.com X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Generic HDCP enable disable and late_init implemented. When new HDCP version support is added to general stack corresponding enable, disable and late_init will be invoked from these implementation. Signed-off-by: Ramalingam C --- drivers/gpu/drm/drm_hdcp.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/drivers/gpu/drm/drm_hdcp.c b/drivers/gpu/drm/drm_hdcp.c index 481bc24..ab80370 100644 --- a/drivers/gpu/drm/drm_hdcp.c +++ b/drivers/gpu/drm/drm_hdcp.c @@ -30,6 +30,57 @@ #include #include +int drm_hdcp_enable(struct drm_connector *connector, uint8_t stream_type) +{ + struct drm_hdcp *hdcp = connector->hdcp; + int ret = -EINVAL; + + if (!hdcp) + return ret; + + if (connector->status != connector_status_connected) { + DRM_ERROR("Panel is not connected\n"); + return ret; + } + + /* + * TODO: Invoke the Version specific hdcp_enable + */ + + return 0; +} + +int drm_hdcp_disable(struct drm_connector *connector) +{ + struct drm_hdcp *hdcp = connector->hdcp; + + /* Skip if HDCP is not enabled or HDCP enable is not in progress */ + if (!(connector->hdcp_state & DRM_HDCP_ENABLE || + (hdcp->req_state & DRM_HDCP_ENABLE && + connector->hdcp_state & DRM_HDCP_WIP))) { + DRM_ERROR("HDCP is not enabled\n"); + return 0; + } + + /* + * TODO: Invoke the Version specific hdcp_disable + */ + + return 0; +} + +void drm_hdcp_late_init(struct drm_connector *connector) +{ + struct drm_hdcp *hdcp = connector->hdcp; + + if (hdcp->hdcp_funcs->late_init) + hdcp->hdcp_funcs->late_init(hdcp); + + /* + * TODO: Invoke the Version specific late_init + */ +} + /** * @drm_hdcp_init: * Initialization of the HDCP stack of the DRM