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 A9385C3DA64 for ; Thu, 1 Aug 2024 06:05:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6984810E898; Thu, 1 Aug 2024 06:05:22 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="G0pVkkNL"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 44EE710E898 for ; Thu, 1 Aug 2024 06:05:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1722492321; x=1754028321; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=QV8REiKd257sIP9OMC/hR4/dvkYLudBIz5cmj1WQCWs=; b=G0pVkkNLaBJhgRiUQ4GToiqVOW6xC2WhXRprpcJVWRPEHpygpPegO4kp NXIdAYYw7QpTsbTC4feRbyRJUpVhofvwzz7EOhJpiikhUGMVFsNto/Bqh m1vbrdekF3+HeAsb2VhnCDILVtBiBTVmm8pfJMklRWsVqNTUqmYy5uLiS M2we67rfeRpu5tT2JUu0KBU5AMqsvBXibK6KpDSpH7pXblF+7ZPl2osre lp+r/ClkCnrmrn2GjFCfuGdI8rgAsbg5HThvuD6ajTPv1pHc9cDxC/fZg zfj/BpDYCFTCkqwfBpFHsnAObTdtPB7+BqlWFtRo/1VxHK7nI8/fWrlJ2 A==; X-CSE-ConnectionGUID: KmPHRJ5bRGq92S0VEuEQ/A== X-CSE-MsgGUID: P5BgbN8DSaWX2hX28hGpXw== X-IronPort-AV: E=McAfee;i="6700,10204,11150"; a="31821085" X-IronPort-AV: E=Sophos;i="6.09,253,1716274800"; d="scan'208";a="31821085" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2024 23:05:21 -0700 X-CSE-ConnectionGUID: oQn4/4UzTqy5tcUd47BTng== X-CSE-MsgGUID: 19L9imScRk++pNx1Sn2vbA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,253,1716274800"; d="scan'208";a="85836527" Received: from jeevanb-desk.iind.intel.com ([10.223.74.192]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2024 23:05:19 -0700 From: Jeevan B To: igt-dev@lists.freedesktop.org Cc: bhanuprakash.modem@intel.com, kunal1.joshi@intel.com, animesh.manna@intel.com, Jeevan B Subject: [PATCH i-g-t 1/3] lib/igt_kms: Added library functions for LOBF status Date: Thu, 1 Aug 2024 11:46:06 +0530 Message-Id: <20240801061608.2983058-2-jeevan.b@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240801061608.2983058-1-jeevan.b@intel.com> References: <20240801061608.2983058-1-jeevan.b@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" Added helper functions to check LOBF status to check weather it is enabled or disabled. v2: rename function name. Signed-off-by: Jeevan B Reviewed-by: Kunal Joshi --- lib/igt_kms.c | 23 +++++++++++++++++++++++ lib/igt_kms.h | 1 + 2 files changed, 24 insertions(+) diff --git a/lib/igt_kms.c b/lib/igt_kms.c index 64318ef7f..e030b35a6 100644 --- a/lib/igt_kms.c +++ b/lib/igt_kms.c @@ -6071,6 +6071,29 @@ void igt_dump_crtcs_fd(int drmfd) drmModeFreeResources(mode_resources); } +/** + * igt_get_i915_edp_lobf_status + * @drmfd: A drm file descriptor + * @connector_name: Name of the libdrm connector we're going to use + * + * Return: True if its enabled. + */ +bool igt_get_i915_edp_lobf_status(int drmfd, char *connector_name) +{ + char buf[24]; + int fd, res; + + fd = igt_debugfs_connector_dir(drmfd, connector_name, O_RDONLY); + igt_assert(fd >= 0); + + res = igt_debugfs_simple_read(fd, "i915_edp_lobf_info", buf, sizeof(buf)); + igt_require(res > 0); + + close(fd); + + return strstr(buf, "LOBF status: enabled"); +} + /** * igt_get_output_max_bpc: * @drmfd: A drm file descriptor diff --git a/lib/igt_kms.h b/lib/igt_kms.h index 501d48763..e8582a45b 100644 --- a/lib/igt_kms.h +++ b/lib/igt_kms.h @@ -1195,6 +1195,7 @@ void igt_require_pipe(igt_display_t *display, void igt_dump_connectors_fd(int drmfd); void igt_dump_crtcs_fd(int drmfd); bool igt_override_all_active_output_modes_to_fit_bw(igt_display_t *display); +bool igt_get_i915_edp_lobf_status(int drmfd, char *connector_name); unsigned int igt_get_output_max_bpc(int drmfd, char *connector_name); unsigned int igt_get_pipe_current_bpc(int drmfd, enum pipe pipe); void igt_assert_output_bpc_equal(int drmfd, enum pipe pipe, -- 2.25.1