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 X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E6E6C433E6 for ; Mon, 1 Feb 2021 14:15:43 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7092A64EA3 for ; Mon, 1 Feb 2021 14:15:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7092A64EA3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F0C8B6E5CA; Mon, 1 Feb 2021 14:15:41 +0000 (UTC) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id F3F236E5BD for ; Mon, 1 Feb 2021 14:15:40 +0000 (UTC) IronPort-SDR: zT0zDTqHsM1gMWNBNxSDdA98devogHhpORP/T6K3JMNNJPFySexV3MCLA7zA2hKzYxJ2PGlGvk cKhodt9sUZeQ== X-IronPort-AV: E=McAfee;i="6000,8403,9881"; a="242208908" X-IronPort-AV: E=Sophos;i="5.79,392,1602572400"; d="scan'208";a="242208908" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Feb 2021 06:15:40 -0800 IronPort-SDR: Nkm9lOhVUI9HOVTLhrE/pWtDrIID39KNcQJjTfoSIwr0Rz7ju4yhjLbXS0HvKZo/XezhxwhLW1 ZoJxQsU09c9w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,392,1602572400"; d="scan'208";a="358596770" Received: from gaia.fi.intel.com ([10.237.72.192]) by orsmga006.jf.intel.com with ESMTP; 01 Feb 2021 06:15:39 -0800 Received: by gaia.fi.intel.com (Postfix, from userid 1000) id 8B7F25C1F81; Mon, 1 Feb 2021 16:15:34 +0200 (EET) From: Mika Kuoppala To: Chris Wilson , intel-gfx@lists.freedesktop.org In-Reply-To: <20210201085715.27435-1-chris@chris-wilson.co.uk> References: <20210201085715.27435-1-chris@chris-wilson.co.uk> Date: Mon, 01 Feb 2021 16:15:34 +0200 Message-ID: <87im7b27sp.fsf@gaia.fi.intel.com> MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH 01/57] drm/i915/gt: Restrict the GT clock override to just Icelake X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chris Wilson Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Chris Wilson writes: > It appears that Elkhart Lake uses the same clock for CTX_TIMESTAMP as > CS_TIMESTAMP, leaving Icelake as the odd one out. I am repeating myself: weird. ...but true. > > Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/3024 > Signed-off-by: Chris Wilson Reviewed-by: Mika Kuoppala > --- > drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c > index f8c79efb1a87..09b290fe0867 100644 > --- a/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c > +++ b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c > @@ -160,7 +160,7 @@ void intel_gt_init_clock_frequency(struct intel_gt *gt) > gt->clock_period_ns = intel_gt_clock_interval_to_ns(gt, 1); > > /* Icelake appears to use another fixed frequency for CTX_TIMESTAMP */ > - if (IS_GEN(gt->i915, 11)) > + if (IS_ICELAKE(gt->i915)) > gt->clock_period_ns = NSEC_PER_SEC / 13750000; > > GT_TRACE(gt, > -- > 2.20.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx