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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT 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 BE767C3A5A9 for ; Mon, 4 May 2020 22:52:54 +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 94AB7206C0 for ; Mon, 4 May 2020 22:52:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 94AB7206C0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=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 60A4C6E4DD; Mon, 4 May 2020 22:52:44 +0000 (UTC) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id AE65B6E4B7 for ; Mon, 4 May 2020 22:52:41 +0000 (UTC) IronPort-SDR: +S9iiIz9o112R+Gi3bN1caqGT3ST9ICiBzfIItL8jflwng1sudgMVKuY/6T9CTz5Ql+4BS/iLe cdPCXnZ0/XtA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 May 2020 15:52:41 -0700 IronPort-SDR: p3wvMXBjD3SZgMnHFTCN6Z7iYW0u0jLFKC9dTJwheYmELnFakhTaI7Y7Sxj7Dc5ll2JrQpX/EC 9tK3DJ/slNQg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,353,1583222400"; d="scan'208";a="295646715" Received: from mdroper-desk1.fm.intel.com ([10.1.27.64]) by orsmga008.jf.intel.com with ESMTP; 04 May 2020 15:52:41 -0700 From: Matt Roper To: intel-gfx@lists.freedesktop.org Date: Mon, 4 May 2020 15:52:11 -0700 Message-Id: <20200504225227.464666-7-matthew.d.roper@intel.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200504225227.464666-1-matthew.d.roper@intel.com> References: <20200504225227.464666-1-matthew.d.roper@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 06/22] drm/i915/rkl: Update memory bandwidth parameters 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" The RKL platform has different memory characteristics from past platforms. Update the values used by our memory bandwidth calculations accordingly. Bspec: 53998 Cc: James Ausmus Signed-off-by: Matt Roper --- drivers/gpu/drm/i915/display/intel_bw.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index 6e7cc3a4f1aa..d435cc6019e4 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -176,6 +176,12 @@ static const struct intel_sa_info tgl_sa_info = { .displayrtids = 256, }; +static const struct intel_sa_info rkl_sa_info = { + .deburst = 16, + .deprogbwlimit = 20, /* GB/s */ + .displayrtids = 128, +}; + static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel_sa_info *sa) { struct intel_qgv_info qi = {}; @@ -271,7 +277,9 @@ void intel_bw_init_hw(struct drm_i915_private *dev_priv) if (!HAS_DISPLAY(dev_priv)) return; - if (IS_GEN(dev_priv, 12)) + if (IS_ROCKETLAKE(dev_priv)) + icl_get_bw_info(dev_priv, &rkl_sa_info); + else if (IS_GEN(dev_priv, 12)) icl_get_bw_info(dev_priv, &tgl_sa_info); else if (IS_GEN(dev_priv, 11)) icl_get_bw_info(dev_priv, &icl_sa_info); -- 2.24.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx