From patchwork Mon May 22 23:07:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Govindapillai X-Patchwork-Id: 13251210 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 8213CC77B73 for ; Mon, 22 May 2023 23:08:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DCDE710E2C6; Mon, 22 May 2023 23:08:21 +0000 (UTC) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1082C10E2C6 for ; Mon, 22 May 2023 23:08:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1684796899; x=1716332899; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=RFlNjFT/kR+wU2SDb7bJFfNcSGMLfuxHva0MBtyTvzc=; b=gCefNVzZ+aTn3uJ0DvtyT2lGiLEbYqPYCIgFkCj7D3EYXBrrOiUU1SkO IIiZNCVvpEZNjyycfEceVsIqBJAU/SU1rA/IF/coluwW73wUyAvEhfPVj Kvf44i9KYNglK9xQNNmoM+4bYqj0wMB7kXGs88jyWC6YeapOnp34cBWXs /fFEzlPahUiNrDH2/SA84oqmzZqvnKcemN5DmggWdNqSCxOt0PBGLrdkM VbD0/Wd3NTjOFIF4OhycAKtJztamOuDRhr2FpJpz5gkMrHb1jskTOCEn1 B0aKCmw3K5o9JcmgNedoqxjIfp4RD0QwfXku+aqVBofh96ZlkED8Q0QbB A==; X-IronPort-AV: E=McAfee;i="6600,9927,10718"; a="353093794" X-IronPort-AV: E=Sophos;i="6.00,184,1681196400"; d="scan'208";a="353093794" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 May 2023 16:08:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10718"; a="773542619" X-IronPort-AV: E=Sophos;i="6.00,184,1681196400"; d="scan'208";a="773542619" Received: from cavram-mobl1.ger.corp.intel.com (HELO vgovind2-mobl3.intel.com) ([10.251.220.199]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 May 2023 16:08:16 -0700 From: Vinod Govindapillai To: intel-gfx@lists.freedesktop.org Date: Tue, 23 May 2023 02:07:53 +0300 Message-Id: <20230522230759.153112-2-vinod.govindapillai@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230522230759.153112-1-vinod.govindapillai@intel.com> References: <20230522230759.153112-1-vinod.govindapillai@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Subject: [Intel-gfx] [PATCH v6 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)