From patchwork Fri Feb 23 08:14:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suraj Kandpal X-Patchwork-Id: 13568627 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 31E52C54E49 for ; Fri, 23 Feb 2024 08:17:08 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4FC3010EB27; Fri, 23 Feb 2024 08:17:06 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="jhWx1ff6"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id CA33610EB1C for ; Fri, 23 Feb 2024 08:16:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1708676216; x=1740212216; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=FiBXU414RMlgf54TqlQ/an1cEZV1Szebx6dy0pYOB20=; b=jhWx1ff6+J7DwpAmKaI9B9k3zIO3RTC4rhjjTN79B7R9kuMbapan2Eb0 itoVBycCXsQulKVLIEX1vl4g1/qRoiOXyWXMAeDa7vrKRlYSYue2bKpp3 R2tDa5821yEEtR+V0DTgfZJtfjaTqSHwZJ93TKB29bACNFpEjf23MeuQC jAwN7lRbVAXa+DHRZgsFC7sz4q3BHizLOqaGmdcmJQOYkjAXSqtAuh0Op 6OfCOh+FwzQx9IDYtnKIIApEuLShgz6i+sLEzNQfLBRd0i/QHruVijK9C dfAJbva/5/r0u7/IzdBdRtITpXmCf+Qv8BBKiBXJmLSfNX9s8U2nFZVok w==; X-IronPort-AV: E=McAfee;i="6600,9927,10992"; a="2830011" X-IronPort-AV: E=Sophos;i="6.06,179,1705392000"; d="scan'208";a="2830011" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Feb 2024 00:16:56 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,179,1705392000"; d="scan'208";a="10528820" Received: from kandpal-x299-ud4-pro.iind.intel.com ([10.190.239.32]) by orviesa003.jf.intel.com with ESMTP; 23 Feb 2024 00:16:54 -0800 From: Suraj Kandpal To: intel-gfx@lists.freedesktop.org Cc: uma.shankar@intel.com, ankit.k.nautiyal@intel.com, Suraj Kandpal Subject: [PATCH 02/13] drm/i915/hdcp: Move source hdcp2 checks into its own function Date: Fri, 23 Feb 2024 13:44:43 +0530 Message-ID: <20240223081453.1576918-4-suraj.kandpal@intel.com> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240223081453.1576918-2-suraj.kandpal@intel.com> References: <20240223081453.1576918-2-suraj.kandpal@intel.com> 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" Move checks on the source side for HDCP2.2 into its own function so that they can be used in the HDCP remote capability check function. Signed-off-by: Suraj Kandpal Reviewed-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_hdcp.c | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index c3e692e7f790..4593ac10e2fa 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -160,12 +160,14 @@ bool intel_hdcp_capable(struct intel_connector *connector) return capable; } -/* Is HDCP2.2 capable on Platform and Sink */ -bool intel_hdcp2_capable(struct intel_connector *connector) +/* + * Check if the source has all the building blocks ready to make + * HDCP 2.2 work + */ +static bool intel_hdcp2_prerequisite(struct intel_connector *connector) { struct drm_i915_private *i915 = to_i915(connector->base.dev); struct intel_hdcp *hdcp = &connector->hdcp; - bool capable = false; /* I915 support for HDCP2.2 */ if (!hdcp->hdcp2_supported) @@ -185,6 +187,18 @@ bool intel_hdcp2_capable(struct intel_connector *connector) } mutex_unlock(&i915->display.hdcp.hdcp_mutex); + return true; +} + +/* Is HDCP2.2 capable on Platform and Sink */ +bool intel_hdcp2_capable(struct intel_connector *connector) +{ + struct intel_hdcp *hdcp = &connector->hdcp; + bool capable = false; + + if (!intel_hdcp2_prerequisite(connector)) + return false; + /* Sink's capability for HDCP2.2 */ hdcp->shim->hdcp_2_2_capable(connector, &capable);