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 2913CC27C77 for ; Fri, 7 Jun 2024 22:02:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D522610E0E8; Fri, 7 Jun 2024 22:02:44 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="GovuuJ1+"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 44A7A10E0AD for ; Fri, 7 Jun 2024 22:02:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717797764; x=1749333764; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=acnCYH3i2T2FKiuQ3cllcOgHI13TIHgssFKuFUgTrzw=; b=GovuuJ1+AZzBlxl5edEcYPI7puTz0sCojiY4MchbNMxXw7CSUuYtRloq vUFUWacTN8rap1RUo8iw/ZrsHoz1dKkmFpaKui+eFHYR43o2tXM2h4DPB Vro48pnSub8uadQIqnCIFwDaMMGmWWSsvRqP65NKCbyWjGxaHVvjm3cNL 6usFpphYDBMEYTSfYb6fo86MaMb8mcvC6/XPeTH1sCqe88aBd2vT/Rpqv mqZNhMcsMJze0AvrmDKa337VWwcCbmzXzudqf1lxu4qQYthUKSYmc1OWl uWZvn3DxEwUpPKpXxSjnl7kkzGI2eHNqZuvnK3k/qHjnRN8GNMrB51lva Q==; X-CSE-ConnectionGUID: rY/5AiQ2R4aFBf4bwc25dQ== X-CSE-MsgGUID: XhMTrniPTVOf3PoWbECtOA== X-IronPort-AV: E=McAfee;i="6600,9927,11096"; a="14657039" X-IronPort-AV: E=Sophos;i="6.08,221,1712646000"; d="scan'208";a="14657039" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jun 2024 15:02:43 -0700 X-CSE-ConnectionGUID: zUB+FoCNTRC+YShFZEYmEQ== X-CSE-MsgGUID: BpRWaKxqQy+7Hj9SwvsRkA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,221,1712646000"; d="scan'208";a="38307945" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jun 2024 15:02:42 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org Subject: [PATCH v2 5/6] drm/xe: Add xe_gt_clock_interval_to_ms helper Date: Fri, 7 Jun 2024 15:03:13 -0700 Message-Id: <20240607220314.2318154-6-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240607220314.2318154-1-matthew.brost@intel.com> References: <20240607220314.2318154-1-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