From patchwork Tue Nov 3 19:18:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gwan-gyeong Mun X-Patchwork-Id: 11878869 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=-12.7 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,USER_AGENT_GIT 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 0170AC2D0A3 for ; Tue, 3 Nov 2020 19:19:00 +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 B506720786 for ; Tue, 3 Nov 2020 19:18:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B506720786 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 286D46E5BF; Tue, 3 Nov 2020 19:18:58 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 97EFE6E5BF for ; Tue, 3 Nov 2020 19:18:54 +0000 (UTC) IronPort-SDR: G9KTFIQWOQeV5+/06b1hnpSDqCqrglovPOvY29zNq1p7KxuLTPPz9dPkL0OSLxM2WI/e9lMjYT ZF2+NvJKJw4Q== X-IronPort-AV: E=McAfee;i="6000,8403,9794"; a="148964703" X-IronPort-AV: E=Sophos;i="5.77,448,1596524400"; d="scan'208";a="148964703" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Nov 2020 11:18:54 -0800 IronPort-SDR: KZwLGYwNtRK8Vrg8iNre9brAz9dJt2DPy0JALpl6u3WcsUbPChZ+wyhwyWKIjj2NVSf/IeyISy IQdbY3VWaRfg== X-IronPort-AV: E=Sophos;i="5.77,448,1596524400"; d="scan'208";a="470913901" Received: from helsinki.fi.intel.com ([10.237.66.162]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Nov 2020 11:18:53 -0800 From: Gwan-gyeong Mun To: intel-gfx@lists.freedesktop.org Date: Tue, 3 Nov 2020 21:18:38 +0200 Message-Id: <20201103191838.192386-2-gwan-gyeong.mun@intel.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20201103191838.192386-1-gwan-gyeong.mun@intel.com> References: <20201103191838.192386-1-gwan-gyeong.mun@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 2/2] drm/i915/display: Support Multiple Transcoders' PSR status on debugfs 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" In order to support the PSR state of each transcoder, it adds i915_psr_status to sub-directory of each transcoder. v2: Change using of Symbolic permissions 'S_IRUGO' to using of octal permissions '0444' Signed-off-by: Gwan-gyeong Mun Cc: José Roberto de Souza --- .../drm/i915/display/intel_display_debugfs.c | 23 +++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index 8402e6ac9f76..37805615a221 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -2093,6 +2093,23 @@ static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data) } DEFINE_SHOW_ATTRIBUTE(i915_hdcp_sink_capability); +static int i915_psr_status_show(struct seq_file *m, void *data) +{ + struct drm_connector *connector = m->private; + struct intel_dp *intel_dp = + intel_attached_dp(to_intel_connector(connector)); + struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + + if (connector->status != connector_status_connected) + return -ENODEV; + + if (!HAS_PSR(dev_priv)) + return -ENODEV; + + return intel_psr_status(m, intel_dp); +} +DEFINE_SHOW_ATTRIBUTE(i915_psr_status); + #define LPSP_CAPABLE(COND) (COND ? seq_puts(m, "LPSP: capable\n") : \ seq_puts(m, "LPSP: incapable\n")) @@ -2268,6 +2285,12 @@ int intel_connector_debugfs_add(struct drm_connector *connector) connector, &i915_psr_sink_status_fops); } + if (INTEL_GEN(dev_priv) >= 12 && + connector->connector_type == DRM_MODE_CONNECTOR_eDP) { + debugfs_create_file("i915_psr_status", 0444, root, + connector, &i915_psr_status_fops); + } + if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) {