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 AADDEC27C75 for ; Mon, 10 Jun 2024 13:49:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 429B910E47B; Mon, 10 Jun 2024 13:49:46 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="W3U7M3KT"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3AEF610E1A1 for ; Mon, 10 Jun 2024 13:49:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1718027383; x=1749563383; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=acnCYH3i2T2FKiuQ3cllcOgHI13TIHgssFKuFUgTrzw=; b=W3U7M3KTWQBBCfohFljudrxJWSKurKvj5Ts4xAIJEhkhxQugWbk9K4Qi D+VTeWvx86HQ0JdMwTTv0wzV4jkFur8mcIk7NTV/rFS6GzN/poUvgqZll WLuUq1aTq83fdzwCpd9c1bzEtdNDfR12PQmqinfobLURwG+rYYsV8HMnW nGhM+dxvGSDm0gdOL0ZT8tlNt0mglkV9MniGQ333f/rI/WdZHo+KeM8RW OLOw5F7NGc9Zrf67UAiKj6bTc+wTnn0nxl1UcYc71lu/vo3G1KNQJJG4B uQ2d/+K0pmRswTYboshj+S2LYxtlj0UmzKiPPRBOtJstvjmAkhNgC5Jmy g==; X-CSE-ConnectionGUID: 6saFj2qOR1O3mmen//xAGQ== X-CSE-MsgGUID: UVBhaUTUS0mG7XuMI2KzUQ== X-IronPort-AV: E=McAfee;i="6600,9927,11099"; a="14419831" X-IronPort-AV: E=Sophos;i="6.08,227,1712646000"; d="scan'208";a="14419831" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jun 2024 06:49:42 -0700 X-CSE-ConnectionGUID: Kn5hONOvSZ27M85+k/FXtQ== X-CSE-MsgGUID: RuUOUDyjQWSmCXI9TCl6eg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,227,1712646000"; d="scan'208";a="76523125" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jun 2024 06:49:42 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org Subject: [PATCH v4 2/7] drm/xe: Add xe_gt_clock_interval_to_ms helper Date: Mon, 10 Jun 2024 06:50:06 -0700 Message-Id: <20240610135011.2605272-3-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240610135011.2605272-1-matthew.brost@intel.com> References: <20240610135011.2605272-1-matthew.brost@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Add helper to convert GT clock ticks to msec. Useful for determining if timeouts occur by examing GT clock ticks. Signed-off-by: Matthew Brost --- drivers/gpu/drm/xe/xe_gt_clock.c | 18 ++++++++++++++++++ drivers/gpu/drm/xe/xe_gt_clock.h | 1 + 2 files changed, 19 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_gt_clock.c b/drivers/gpu/drm/xe/xe_gt_clock.c index 9ff2061133df..a9392a743fd5 100644 --- a/drivers/gpu/drm/xe/xe_gt_clock.c +++ b/drivers/gpu/drm/xe/xe_gt_clock.c @@ -79,3 +79,21 @@ int xe_gt_clock_init(struct xe_gt *gt) gt->info.reference_clock = freq; return 0; } + +static u64 div_u64_roundup(u64 nom, u32 den) +{ + return div_u64(nom + den - 1, den); +} + +/** + * xe_gt_clock_interval_to_ms - Convert sampled GT clock ticks to msec + * + * @gt: the &xe_gt + * @count: count of GT clock ticks + * + * Returns: time in msec + */ +u64 xe_gt_clock_interval_to_ms(struct xe_gt *gt, u64 count) +{ + return div_u64_roundup(count * MSEC_PER_SEC, gt->info.reference_clock); +} diff --git a/drivers/gpu/drm/xe/xe_gt_clock.h b/drivers/gpu/drm/xe/xe_gt_clock.h index 44fa0371b973..3adeb7baaca4 100644 --- a/drivers/gpu/drm/xe/xe_gt_clock.h +++ b/drivers/gpu/drm/xe/xe_gt_clock.h @@ -11,5 +11,6 @@ struct xe_gt; int xe_gt_clock_init(struct xe_gt *gt); +u64 xe_gt_clock_interval_to_ms(struct xe_gt *gt, u64 count); #endif -- 2.34.1