From patchwork Fri Dec 2 08:23:55 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ander Conselvan de Oliveira X-Patchwork-Id: 9458029 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 A282060236 for ; Fri, 2 Dec 2016 08:24:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 924002850E for ; Fri, 2 Dec 2016 08:24:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 875CA2852E; Fri, 2 Dec 2016 08:24:37 +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 476CB2850E for ; Fri, 2 Dec 2016 08:24:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B64BD6E937; Fri, 2 Dec 2016 08:24:36 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 67BB46E933 for ; Fri, 2 Dec 2016 08:24:26 +0000 (UTC) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP; 02 Dec 2016 00:24:25 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.33,285,1477983600"; d="scan'208"; a="1093572239" Received: from linux.intel.com ([10.54.29.200]) by fmsmga002.fm.intel.com with ESMTP; 02 Dec 2016 00:24:25 -0800 Received: from localhost (aconselv-mobl3.fi.intel.com [10.237.66.52]) by linux.intel.com (Postfix) with ESMTP id 281C76A4082; Fri, 2 Dec 2016 00:23:40 -0800 (PST) From: Ander Conselvan de Oliveira To: intel-gfx@lists.freedesktop.org Date: Fri, 2 Dec 2016 10:23:55 +0200 Message-Id: <1480667037-11215-8-git-send-email-ander.conselvan.de.oliveira@intel.com> X-Mailer: git-send-email 2.5.5 In-Reply-To: <1480667037-11215-1-git-send-email-ander.conselvan.de.oliveira@intel.com> References: <1480667037-11215-1-git-send-email-ander.conselvan.de.oliveira@intel.com> Cc: Ander Conselvan de Oliveira Subject: [Intel-gfx] [PATCH 7/9] drm/i915/glk: Allow dotclock up to 2 * cdclk on geminilake 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 Geminilake has double wide pipes so it can output two pixels per CD clock. Signed-off-by: Ander Conselvan de Oliveira Reviewed-by: Rodrigo Vivi --- drivers/gpu/drm/i915/intel_display.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 8d4a63f..1fafcce 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5805,8 +5805,10 @@ static int intel_compute_max_dotclk(struct drm_i915_private *dev_priv) { int max_cdclk_freq = dev_priv->max_cdclk_freq; - if (INTEL_INFO(dev_priv)->gen >= 9 || - IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) + if (IS_GEMINILAKE(dev_priv)) + return 2 * max_cdclk_freq; + else if (INTEL_INFO(dev_priv)->gen >= 9 || + IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) return max_cdclk_freq; else if (IS_CHERRYVIEW(dev_priv)) return max_cdclk_freq*95/100; @@ -6563,9 +6565,9 @@ static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv, static int glk_calc_cdclk(int max_pixclk) { - if (max_pixclk > 158400) + if (max_pixclk > 2 * 158400) return 316800; - else if (max_pixclk > 79200) + else if (max_pixclk > 2 * 79200) return 158400; else return 79200;