From patchwork Wed May 13 12:18:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gupta, Anshuman" X-Patchwork-Id: 11545943 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4344690 for ; Wed, 13 May 2020 12:29:53 +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 2A324206B7 for ; Wed, 13 May 2020 12:29:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2A324206B7 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 8B92D6EA17; Wed, 13 May 2020 12:29:51 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 792AB6EA10 for ; Wed, 13 May 2020 12:29:48 +0000 (UTC) IronPort-SDR: c9ES6OCft0qIKlQoq8+ds9dcuUPJWA6TfsVeMNhk+xIDb6fknGkdc5rUBEoSu/xXtk/0m2nEbj mLCQTED2nLEw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2020 05:29:48 -0700 IronPort-SDR: o/3f58zY6OCX4knSMKMvj7a5MVYXHpFwysUoKdHu7tSx0l2KAQY0nV5gggZ0g66fTJLonCwOmH izJqnddvEcfg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,387,1583222400"; d="scan'208";a="409672399" Received: from unknown (HELO genxfsim-desktop.iind.intel.com) ([10.223.74.178]) by orsmga004.jf.intel.com with ESMTP; 13 May 2020 05:29:47 -0700 From: Anshuman Gupta To: intel-gfx@lists.freedesktop.org Date: Wed, 13 May 2020 17:48:44 +0530 Message-Id: <20200513121845.19437-2-anshuman.gupta@intel.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200513121845.19437-1-anshuman.gupta@intel.com> References: <20200513121845.19437-1-anshuman.gupta@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 1/2] drm/i915/hdcp: Add update_pipe early return 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 intel_hdcp_update_pipe() is also getting called for non-hdcp connectors and got though its conditional code flow, which is completely unnecessary for non-hdcp connectors, therefore it make sense to have an early return. No functional change. Signed-off-by: Anshuman Gupta Reviewed-by: Uma Shankar Reviewed-by: Uma Shankar --- drivers/gpu/drm/i915/display/intel_hdcp.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 2cbc4619b4ce..d0a2bee9035a 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -2079,11 +2079,15 @@ void intel_hdcp_update_pipe(struct intel_atomic_state *state, struct intel_connector *connector = to_intel_connector(conn_state->connector); struct intel_hdcp *hdcp = &connector->hdcp; - bool content_protection_type_changed = + bool content_protection_type_changed; + + if (!connector->hdcp.shim) + return; + + content_protection_type_changed = (conn_state->hdcp_content_type != hdcp->content_type && conn_state->content_protection != DRM_MODE_CONTENT_PROTECTION_UNDESIRED); - /* * During the HDCP encryption session if Type change is requested, * disable the HDCP and reenable it with new TYPE value. From patchwork Wed May 13 12:18:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gupta, Anshuman" X-Patchwork-Id: 11545945 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 665DC139F for ; Wed, 13 May 2020 12:29:54 +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 4CC3A206B7 for ; Wed, 13 May 2020 12:29:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4CC3A206B7 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 C4FB66EA1B; Wed, 13 May 2020 12:29:51 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id DF2326EA17 for ; Wed, 13 May 2020 12:29:49 +0000 (UTC) IronPort-SDR: 6qXCNntgagFfv/sJ/4/8uJFmqp0zKUVME4GD1NTz0qUuWxP2IkAZYohaKT+LH0WPzew6S76m/q 8PHVQoAE+KnA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2020 05:29:49 -0700 IronPort-SDR: NtAYjRIuSmEKALbYPpImGFI3QWpxmR6nQWwYvqvY55aCfCW/XbN1CmEfnwpRooHbs7iT9EtBFD JdAv7sTZ9H5g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,387,1583222400"; d="scan'208";a="409672404" Received: from unknown (HELO genxfsim-desktop.iind.intel.com) ([10.223.74.178]) by orsmga004.jf.intel.com with ESMTP; 13 May 2020 05:29:48 -0700 From: Anshuman Gupta To: intel-gfx@lists.freedesktop.org Date: Wed, 13 May 2020 17:48:45 +0530 Message-Id: <20200513121845.19437-3-anshuman.gupta@intel.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200513121845.19437-1-anshuman.gupta@intel.com> References: <20200513121845.19437-1-anshuman.gupta@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/2] drm/i915/hdcp: No direct access to power_well desc 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 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" HDCP code doesn't require to access power_well internal stuff, instead it should use the intel_display_power_well_is_enabled() to get the status of desired power_well. No functional change. Cc: Jani Nikula Signed-off-by: Anshuman Gupta --- drivers/gpu/drm/i915/display/intel_hdcp.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index d0a2bee9035a..409bd5d98a81 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -148,9 +148,8 @@ static int intel_hdcp_poll_ksv_fifo(struct intel_digital_port *intel_dig_port, static bool hdcp_key_loadable(struct drm_i915_private *dev_priv) { - struct i915_power_domains *power_domains = &dev_priv->power_domains; - struct i915_power_well *power_well; enum i915_power_well_id id; + intel_wakeref_t wakeref; bool enabled = false; /* @@ -162,17 +161,10 @@ static bool hdcp_key_loadable(struct drm_i915_private *dev_priv) else id = SKL_DISP_PW_1; - mutex_lock(&power_domains->lock); - /* PG1 (power well #1) needs to be enabled */ - for_each_power_well(dev_priv, power_well) { - if (power_well->desc->id == id) { - enabled = power_well->desc->ops->is_enabled(dev_priv, - power_well); - break; - } - } - mutex_unlock(&power_domains->lock); + wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm); + enabled = intel_display_power_well_is_enabled(dev_priv, id); + intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref); /* * Another req for hdcp key loadability is enabled state of pll for