From patchwork Thu Apr 3 19:04:48 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: shantam.yashashvi@intel.com X-Patchwork-Id: 14037531 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 71FA6C3600C for ; Thu, 3 Apr 2025 19:05:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0867810EA6B; Thu, 3 Apr 2025 19:05:53 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="V8j/FwGX"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9B35F10EA6B; Thu, 3 Apr 2025 19:05:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1743707152; x=1775243152; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=HdISfgb4oMSAsFrQV4Fxpf9OU1QKqFGGdHkFELMdJII=; b=V8j/FwGX4Sgj21ig1W5Z8IVRjQ6AHkR0GYkDsOYwOrEwDQzAEDAuSPb0 HHivQNfZIjX7tDppzWPQ7DEO7R21VvHKdSF8Hy60kF4w4fQynbR+oOr5g saqgqgaMoC9TcqqbZu+oAHjdCP+C6Kn0bCIhq1XC9xRDXuNkzRh+674DX InlpiLnPkM4a80ZpC/yOa3P96EqPTXeHyf+0KlIO97l/oGqK9S7kAOCE4 7VfZoV6W0viB6U6/DxYyq9raJw340bM/EhekCdaJq81t0Xx1wIb1U4iaa +tF4phj1p+pR0LDBwWE6wwVgeVrMNb4sq8yBDTZXPQdW8HgXVGoRCe6Rv w==; X-CSE-ConnectionGUID: Y8NtJjD8QqazUyu71y0qrg== X-CSE-MsgGUID: c8m1KMRCRqeZJUT+SZsRAA== X-IronPort-AV: E=McAfee;i="6700,10204,11393"; a="56502166" X-IronPort-AV: E=Sophos;i="6.15,186,1739865600"; d="scan'208";a="56502166" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Apr 2025 12:05:51 -0700 X-CSE-ConnectionGUID: 5ZtGGJxsRaq+a5l6RyK23Q== X-CSE-MsgGUID: BAHpTNDAQQu2GMOEYA8Wzg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,186,1739865600"; d="scan'208";a="132304411" Received: from sowmya001-nuc10i7fnh (HELO localhost.localdomain) ([10.223.165.176]) by orviesa005.jf.intel.com with ESMTP; 03 Apr 2025 12:05:50 -0700 From: shantam.yashashvi@intel.com To: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, shantam.yashashvi@intel.com Subject: drm/i915: Add DSC/FEC support info to debugfs Date: Fri, 4 Apr 2025 00:34:48 +0530 Message-Id: <20250403190448.29795-1-shantam.yashashvi@intel.com> X-Mailer: git-send-email 2.25.1 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" From: Shantam Yashashvi Signed-off-by: Shantam Yashashvi --- drivers/gpu/drm/i915/display/intel_display_debugfs.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index 057a8ce0c2c97..b8d3a438a34d9 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -276,6 +276,7 @@ static void intel_connector_info(struct seq_file *m, struct intel_encoder *encoder = to_intel_encoder(conn_state->best_encoder); const struct drm_display_mode *mode; + struct intel_dp *intel_dp; seq_printf(m, "[CONNECTOR:%d:%s]: status: %s\n", connector->base.id, connector->name, @@ -301,6 +302,16 @@ static void intel_connector_info(struct seq_file *m, intel_dp_mst_info(m, intel_connector); else intel_dp_info(m, intel_connector); + + /* Add DSC and FEC Support Information for DisplayPort / eDP Connectors */ + intel_dp = intel_attached_dp(intel_connector); + if (intel_dp){ + seq_printf(m, "\tDSC_Sink_Support: %s\n", + str_yes_no(drm_dp_sink_supports_dsc(intel_connector->dp.dsc_dpcd))); + if (!intel_dp_is_edp(intel_dp)) + seq_printf(m, "\tFEC_Sink_Support: %s\n", + str_yes_no(drm_dp_sink_supports_fec(intel_connector->dp.fec_capability))); + } break; case DRM_MODE_CONNECTOR_HDMIA: if (encoder->type == INTEL_OUTPUT_HDMI ||