From patchwork Fri Feb 23 08:14:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kandpal, Suraj" X-Patchwork-Id: 13568632 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 C68A5C54E4C for ; Fri, 23 Feb 2024 08:17:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4C0A210EB2D; Fri, 23 Feb 2024 08:17:20 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Leo41Ti3"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id E970810EB25 for ; Fri, 23 Feb 2024 08:17:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1708676226; x=1740212226; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Q5yPepqEHXjNJnMAIdWQGYdWwb2lSVRIn3UHd+Juisk=; b=Leo41Ti3z05NHxJOyzTK+f6WWi2Y0FCCzCleL0LBHX+YmT0F8CdjJl/7 Y5mOZl+P6dJkzlmHygQ0VsaKQ2y8wi2vmAQVBcgyZhATpVwLeXiLoNgs8 yYJhGGKNvU8r6zLKfbK8S1ff94OBBmtHklBLUrPe+k8ez3NvFgM6BvaH/ 51UCQ9ldqrt8q5Uh9PaLNpEvWJH/YeEp72TBYlnmkLButaxJ71q0mZtD7 UCsYwgJRDPlrXWL6yOSx4QrrqE07G0WUFEByYq8ffl56HJcHhWQPC2/Og Ojp/WRTskvX7WkyYRkEE/r3I77RBmDJeadqeNCTEIxppe9AmZmtn5GZ20 g==; X-IronPort-AV: E=McAfee;i="6600,9927,10992"; a="2830043" X-IronPort-AV: E=Sophos;i="6.06,179,1705392000"; d="scan'208";a="2830043" 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 00:17:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,179,1705392000"; d="scan'208";a="10528955" Received: from kandpal-x299-ud4-pro.iind.intel.com ([10.190.239.32]) by orviesa003.jf.intel.com with ESMTP; 23 Feb 2024 00:17:04 -0800 From: Suraj Kandpal To: intel-gfx@lists.freedesktop.org Cc: uma.shankar@intel.com, ankit.k.nautiyal@intel.com, Suraj Kandpal Subject: [PATCH 07/13] drm/i915/hdcp: HDCP Capability for the downstream device Date: Fri, 23 Feb 2024 13:44:48 +0530 Message-ID: <20240223081453.1576918-9-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" Currently we are only checking capability of remote device and not immediate downstream device but during capability check we need are concerned with only the HDCP capability of downstream device. During i915_display_info reporting we need HDCP Capability for both the monitors and downstream branch device if any this patch adds that. --v2 -Use MST Hub HDCP version [Ankit] --v3 -Redefined how we seprate remote and direct read to make sure HDMI shim functions are not touched [Ankit] --v4 - Fix the conditions so that hdcp_info with remote_req true is sent only when encoder is mst [Ankit] --v5 -No need to have the MST Hub version in i915_hdcp_sink_capability[Ankit] Signed-off-by: Suraj Kandpal Reviewed-by: Ankit Nautiyal --- .../drm/i915/display/intel_display_debugfs.c | 21 ++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index d8f1a23ac2b1..b99c024b0934 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -188,7 +188,8 @@ static void intel_panel_info(struct seq_file *m, } static void intel_hdcp_info(struct seq_file *m, - struct intel_connector *intel_connector) + struct intel_connector *intel_connector, + bool remote_req) { bool hdcp_cap, hdcp2_cap; @@ -197,8 +198,14 @@ static void intel_hdcp_info(struct seq_file *m, goto out; } - hdcp_cap = intel_hdcp_get_capability(intel_connector); - hdcp2_cap = intel_hdcp2_get_capability(intel_connector); + if (remote_req) { + intel_hdcp_get_remote_capability(intel_connector, + &hdcp_cap, + &hdcp2_cap); + } else { + hdcp_cap = intel_hdcp_get_capability(intel_connector); + hdcp2_cap = intel_hdcp2_get_capability(intel_connector); + } if (hdcp_cap) seq_puts(m, "HDCP1.4 "); @@ -285,7 +292,11 @@ static void intel_connector_info(struct seq_file *m, } seq_puts(m, "\tHDCP version: "); - intel_hdcp_info(m, intel_connector); + if (intel_encoder_is_mst(encoder)) { + intel_hdcp_info(m, intel_connector, true); + seq_puts(m, "\tMST Hub HDCP version: "); + } + intel_hdcp_info(m, intel_connector, false); seq_printf(m, "\tmax bpc: %u\n", connector->display_info.bpc); @@ -1131,7 +1142,7 @@ static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data) seq_printf(m, "%s:%d HDCP version: ", connector->base.name, connector->base.base.id); - intel_hdcp_info(m, connector); + intel_hdcp_info(m, connector, false); out: drm_modeset_unlock(&i915->drm.mode_config.connection_mutex);