From mboxrd@z Thu Jan 1 00:00:00 1970 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 0A34CC3DA4A for ; Mon, 19 Aug 2024 09:14:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BE2E810E22C; Mon, 19 Aug 2024 09:14:33 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="h3JoU5Td"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id F389710E22C for ; Mon, 19 Aug 2024 09:14:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1724058873; x=1755594873; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=K+t8aW/S/9oUpZ/1khtVriKxYo54swr1HUiU/XC3DNI=; b=h3JoU5TdQrEfKcDH/fAJQ2dom8wnMF5yQldP/EOzD/jMn5VGx3kMmRj5 IKWWNbdb9aHNn4CisZHUYnP85d9F0Ng8YSdyo4FQHQVApPQvzMCzDhJg8 OOPZDECM0EJSmHsL0rJwbf1G6YgeLkH8mbcmg4SJ3xw4Po4KYy+4rBlWb 1l+VFM6EHSUUp8CzM6E46x8bwUVtDhMphMRwrRnVtOj2/AIHrzchM+2xQ n3kyA+YNw1rbWpKnRfci69RyPshLGWde67t594Lu++ZSAGc0XOaUUGgi9 yMd9YJhwzVy4pVEc3gioO2wcqmIsnLeyhKdsKzbB6oa0wT87m18JN0/Oa A==; X-CSE-ConnectionGUID: pHsmbaxSTJicxTDi1Ko9Kw== X-CSE-MsgGUID: WwSigj/XSc2FSr6YTnKVPw== X-IronPort-AV: E=McAfee;i="6700,10204,11168"; a="44816326" X-IronPort-AV: E=Sophos;i="6.10,158,1719903600"; d="scan'208";a="44816326" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2024 02:14:33 -0700 X-CSE-ConnectionGUID: /klKxJ13SRqWr7Vioq0yDQ== X-CSE-MsgGUID: Ac5+UqKlSye4MAKI/vhrdg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,158,1719903600"; d="scan'208";a="60884191" Received: from kunal-x299-aorus-gaming-3-pro.iind.intel.com ([10.190.239.13]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2024 02:14:31 -0700 From: Kunal Joshi To: igt-dev@lists.freedesktop.org Cc: imre.deak@intel.com, Kunal Joshi Subject: [PATCH i-g-t 09/12] lib/igt_kms: add helper to get pending retrain count Date: Mon, 19 Aug 2024 14:56:12 +0530 Message-Id: <20240819092615.3669803-10-kunal1.joshi@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240819092615.3669803-1-kunal1.joshi@intel.com> References: <20240819092615.3669803-1-kunal1.joshi@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" add helper to get pending retrainig failure count Signed-off-by: Kunal Joshi --- lib/igt_kms.c | 21 +++++++++++++++++++++ lib/igt_kms.h | 1 + 2 files changed, 22 insertions(+) diff --git a/lib/igt_kms.c b/lib/igt_kms.c index 4a501e6bf..64591b760 100644 --- a/lib/igt_kms.c +++ b/lib/igt_kms.c @@ -7051,3 +7051,24 @@ int igt_get_dp_pending_lt_failures(int drm_fd, igt_output_t *output) sscanf(buf, "%d", &ret); return ret; } + +/** + * igt_dp_pending_retrain: + * @drm_fd: A drm file descriptor + * @output: Target output + */ +int igt_get_dp_pending_retrain(int drm_fd, igt_output_t *output) +{ + int dir, res, ret; + char buf[512]; + + igt_require_f(output->name, "Invalid output"); + dir = igt_debugfs_connector_dir(drm_fd, output->name, O_RDONLY); + igt_assert_f(dir >= 0, "Failed to open debugfs dir for connector %s\n", + igt_output_name(output)); + res = igt_debugfs_simple_read(dir, "i915_dp_force_link_retrain", buf, sizeof(buf)); + close(dir); + igt_require(res > 0); + sscanf(buf, "%d", &ret); + return ret; +} diff --git a/lib/igt_kms.h b/lib/igt_kms.h index 88e88a6c7..182200899 100644 --- a/lib/igt_kms.h +++ b/lib/igt_kms.h @@ -1262,5 +1262,6 @@ void igt_force_lt_failure(int drm_fd, igt_output_t *output, int failure_count); bool igt_get_dp_link_retrain_disabled(int drm_fd, igt_output_t *output); bool igt_has_force_link_training_failure_debugfs(int drmfd, igt_output_t *output); int igt_get_dp_pending_lt_failures(int drm_fd, igt_output_t *output); +int igt_get_dp_pending_retrain(int drm_fd, igt_output_t *output); #endif /* __IGT_KMS_H__ */ -- 2.43.0