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 C64CDC4321E for ; Thu, 1 Dec 2022 02:16:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A64E510E525; Thu, 1 Dec 2022 02:16:30 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 064EB10E525 for ; Thu, 1 Dec 2022 02:16:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669860987; x=1701396987; h=date:message-id:from:to:cc:subject:in-reply-to: references:mime-version; bh=psUIukHeHUTzH7PnzXFXgad8gFmQnpdDW1Z+T2gkyG4=; b=ibVtOptw0AosLtzRFGQ8EqZwzEKisRoouZJEsFjMpKs7UjjnMXJgwalA By9d6Ky7WWFrJdNt3uBT3MRTXq6F0iq3QJm6b7jLpqcjKu9Zg3uVsZtde bhaKZPZ0GSscEIK7//qQWGUhm8FH7CtqI2P55xnGjMEsmuTGkaEpbCKKg X30t3Qtk0K+yhDoD7sxcEhfINvWpsrcRja/Va6lsqiV0T5poZLnWp6opB AHkOm9bSeti6HPEf9xRo0lgZblEKAmNh8WnZ9emFH1Cyr+uSIFhNNzVvA mxEYvlplgMSjTGovuR8eW442Gcuae84A01C26Bw2qPOkoDUnfVxuLAnel w==; X-IronPort-AV: E=McAfee;i="6500,9779,10547"; a="401840303" X-IronPort-AV: E=Sophos;i="5.96,207,1665471600"; d="scan'208";a="401840303" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2022 18:16:26 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10547"; a="646567321" X-IronPort-AV: E=Sophos;i="5.96,207,1665471600"; d="scan'208";a="646567321" Received: from adixit-mobl.amr.corp.intel.com (HELO adixit-arch.intel.com) ([10.212.147.254]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2022 18:16:26 -0800 Date: Wed, 30 Nov 2022 18:16:04 -0800 Message-ID: <87v8mv3m3f.wl-ashutosh.dixit@intel.com> From: "Dixit, Ashutosh" To: Umesh Nerlige Ramappa In-Reply-To: <20221201010535.1097741-3-umesh.nerlige.ramappa@intel.com> References: <20221201010535.1097741-1-umesh.nerlige.ramappa@intel.com> <20221201010535.1097741-3-umesh.nerlige.ramappa@intel.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?ISO-8859-4?Q?Goj=F2?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/28.2 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII Subject: Re: [Intel-gfx] [PATCH v2 2/4] drm/i915/mtl: Add Wa_14015846243 to fix OA vs CS timestamp mismatch 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: intel-gfx@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Wed, 30 Nov 2022 17:05:33 -0800, Umesh Nerlige Ramappa wrote: > > Similar to ACM, OA timestamp that is part of the OA report is shifted > when compared to the CS timestamp. Add MTL to the WA. Reviewed-by: Ashutosh Dixit > > Signed-off-by: Umesh Nerlige Ramappa > --- > drivers/gpu/drm/i915/i915_perf.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c > index 7790a88f10d8..8ed9af571de9 100644 > --- a/drivers/gpu/drm/i915/i915_perf.c > +++ b/drivers/gpu/drm/i915/i915_perf.c > @@ -3136,8 +3136,11 @@ get_sseu_config(struct intel_sseu *out_sseu, > */ > u32 i915_perf_oa_timestamp_frequency(struct drm_i915_private *i915) > { > - /* Wa_18013179988:dg2 */ > - if (IS_DG2(i915)) { > + /* > + * Wa_18013179988:dg2 > + * Wa_14015846243:mtl > + */ > + if (IS_DG2(i915) || IS_METEORLAKE(i915)) { > intel_wakeref_t wakeref; > u32 reg, shift; > > -- > 2.36.1 >