From patchwork Wed May 24 23:03:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Govindapillai X-Patchwork-Id: 13254605 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 00B1EC77B73 for ; Wed, 24 May 2023 23:04:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7CD8F10E69D; Wed, 24 May 2023 23:04:06 +0000 (UTC) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id BA74A10E69D for ; Wed, 24 May 2023 23:04:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1684969444; x=1716505444; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=RFlNjFT/kR+wU2SDb7bJFfNcSGMLfuxHva0MBtyTvzc=; b=M2OoG6aSJf4ISb45y+v44UVCVp1IUM/dwcXzO+iuUvPiQTUEOs742383 O0DVy9EKcAfNU7AgLIl+07WxdwXVFQs0MLiSTiegkNncWXp1un7R7VD8g erGS1gPqSMtLCUQVrZvR0yf5vTFOf4WdG7Vtxu/+p625DaikjyCtQQXqk dSXthVVZ3ZVzIFSPlyAL/NnzSNiXz3/gpEU9upcUxneYI+91P4EMc8uV8 USq5EeVh4hmaoJ9lSez+7k97VBXsnbqnyttv3io+7J2qh0vS9ns+Wc7ZF DBR8o0DsWzAtP3wY0awbi79RfF6jUDqWYq830/DhAzNyFcKRPGzqbCQPn Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10720"; a="338289499" X-IronPort-AV: E=Sophos;i="6.00,190,1681196400"; d="scan'208";a="338289499" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 May 2023 16:04:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10720"; a="951218396" X-IronPort-AV: E=Sophos;i="6.00,190,1681196400"; d="scan'208";a="951218396" Received: from peteratz-mobl.ger.corp.intel.com (HELO vgovind2-mobl3.intel.com) ([10.252.55.65]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 May 2023 16:04:02 -0700 From: Vinod Govindapillai To: intel-gfx@lists.freedesktop.org Date: Thu, 25 May 2023 02:03:36 +0300 Message-Id: <20230524230342.411273-2-vinod.govindapillai@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230524230342.411273-1-vinod.govindapillai@intel.com> References: <20230524230342.411273-1-vinod.govindapillai@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Subject: [Intel-gfx] [PATCH v8 1/7] drm/i915: fix the derating percentage for MTL 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: ville.syrjala@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Follow the values from bspec for the percentage overhead for efficiency in MTL BW calculations. Bspec: 64631 Signed-off-by: Vinod Govindapillai Reviewed-by: Matt Roper --- drivers/gpu/drm/i915/display/intel_bw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index 597d5816ad1b..ab405c48ca3a 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -379,7 +379,7 @@ static const struct intel_sa_info mtl_sa_info = { .deburst = 32, .deprogbwlimit = 38, /* GB/s */ .displayrtids = 256, - .derating = 20, + .derating = 10, }; static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel_sa_info *sa)