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 377D4EDE985 for ; Thu, 14 Sep 2023 06:05:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D87DD10E507; Thu, 14 Sep 2023 06:05:48 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 09F0710E506 for ; Thu, 14 Sep 2023 06:05:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1694671547; x=1726207547; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=BWniwdDNtk8A3HQgb6lWGmgRbzVCWuUsVmmxeLHxAaw=; b=aTcqBWrzbsGBTSOtcWg+M/qXZbQiGBcQJje0YTP1ca/HSHIzJ6yhhsiW sTmPoUWusiscKjAw3aQhyCrjvnyKHFCpjnW9xNCzFIh/92q+Tq8DQ2Eem KEVdJDVeQtkMvtlc5aDRUFxhJJbg8bHvRA5+XLZnJJJ7q1QkD90DIikD+ Nlxf0kJ/yL+y+yl2jFJjVkZlWDhWVX/zPWCLQKeddYis1HmthpK+aRezW 3kruoUvVknNvz8p5uNxjLTXBT1x8j0P083hz6Si1/XAPw+fiGST3BYdOp VOy5gDz6WJdEIjjt6ovbUKTpBpY4f6j9p3QrBFuZjU1K8poaxNfZPejKe g==; X-IronPort-AV: E=McAfee;i="6600,9927,10832"; a="381547246" X-IronPort-AV: E=Sophos;i="6.02,145,1688454000"; d="scan'208";a="381547246" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Sep 2023 23:04:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10832"; a="773770177" X-IronPort-AV: E=Sophos;i="6.02,145,1688454000"; d="scan'208";a="773770177" Received: from aravind-dev.iind.intel.com ([10.145.162.80]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Sep 2023 23:04:48 -0700 From: Aravind Iddamsetty To: intel-xe@lists.freedesktop.org Date: Thu, 14 Sep 2023 11:43:15 +0530 Message-Id: <20230914061317.1024579-2-aravind.iddamsetty@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230914061317.1024579-1-aravind.iddamsetty@linux.intel.com> References: <20230914061317.1024579-1-aravind.iddamsetty@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Intel-xe] [PATCH v3 1/3] drm/xe: Get GT clock to nanosecs 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: , Cc: rodrigo.vivi@intel.com Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Helper to convert GT clock cycles to nanoseconds. v2: Use DIV_ROUND_CLOSEST_ULL helper(Ashutosh) v3: rename xe_gt_clock_interval_to_ns to xe_gt_clock_cycles_to_ns Reviewed-by: Tejas Upadhyay Reviewed-by: Ashutosh Dixit Signed-off-by: Aravind Iddamsetty --- drivers/gpu/drm/xe/xe_gt_clock.c | 5 +++++ drivers/gpu/drm/xe/xe_gt_clock.h | 4 +++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_gt_clock.c b/drivers/gpu/drm/xe/xe_gt_clock.c index 9136937324f3..25a18eaad9c4 100644 --- a/drivers/gpu/drm/xe/xe_gt_clock.c +++ b/drivers/gpu/drm/xe/xe_gt_clock.c @@ -78,3 +78,8 @@ int xe_gt_clock_init(struct xe_gt *gt) gt->info.clock_freq = freq; return 0; } + +u64 xe_gt_clock_cycles_to_ns(const struct xe_gt *gt, u64 count) +{ + return DIV_ROUND_CLOSEST_ULL(count * NSEC_PER_SEC, gt->info.clock_freq); +} diff --git a/drivers/gpu/drm/xe/xe_gt_clock.h b/drivers/gpu/drm/xe/xe_gt_clock.h index 511923afd224..aa162722f859 100644 --- a/drivers/gpu/drm/xe/xe_gt_clock.h +++ b/drivers/gpu/drm/xe/xe_gt_clock.h @@ -6,8 +6,10 @@ #ifndef _XE_GT_CLOCK_H_ #define _XE_GT_CLOCK_H_ +#include + struct xe_gt; int xe_gt_clock_init(struct xe_gt *gt); - +u64 xe_gt_clock_cycles_to_ns(const struct xe_gt *gt, u64 count); #endif -- 2.25.1