From patchwork Fri Dec 22 22:23:25 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rodrigo Vivi X-Patchwork-Id: 10131195 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 98AF76038F for ; Fri, 22 Dec 2017 22:23:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8B78D2A18C for ; Fri, 22 Dec 2017 22:23:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 805C82A1AC; Fri, 22 Dec 2017 22:23:44 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 4DBCE2A18C for ; Fri, 22 Dec 2017 22:23:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 02D786E7BC; Fri, 22 Dec 2017 22:23:44 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 640B36E7A5 for ; Fri, 22 Dec 2017 22:23:34 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Dec 2017 14:23:32 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,442,1508828400"; d="scan'208";a="4979140" Received: from rdvivi-vienna.jf.intel.com ([10.7.196.88]) by orsmga008.jf.intel.com with ESMTP; 22 Dec 2017 14:23:32 -0800 From: Rodrigo Vivi To: intel-gfx@lists.freedesktop.org Date: Fri, 22 Dec 2017 14:23:25 -0800 Message-Id: <20171222222326.18562-10-rodrigo.vivi@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20171222222326.18562-1-rodrigo.vivi@intel.com> References: <20171222222326.18562-1-rodrigo.vivi@intel.com> Cc: Lucas De Marchi , Rodrigo Vivi Subject: [Intel-gfx] [PATCH 10/11] drm/i915/cnl: Fix DP max rate for Cannonlake with port F. X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP On CNL SKUs that uses port F, max DP rate is 8.1G for all ports when we have the elevated voltage. v2: Make commit message more generic. Cc: Lucas De Marchi Cc: Manasi Navare Signed-off-by: Rodrigo Vivi --- drivers/gpu/drm/i915/intel_dp.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 377a9770bae5..1b80a0ac4fd9 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -238,8 +238,9 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) source_rates = cnl_rates; size = ARRAY_SIZE(cnl_rates); voltage = I915_READ(CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK; - if (port == PORT_A || port == PORT_D || - voltage == VOLTAGE_INFO_0_85V) + if (voltage == VOLTAGE_INFO_0_85V || + (!IS_CNL_WITH_PORT_F(dev_priv) && (port == PORT_A || + port == PORT_D))) size -= 2; } else if (IS_GEN9_BC(dev_priv)) { source_rates = skl_rates;