From patchwork Wed Apr 26 17:18:06 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Imre Deak X-Patchwork-Id: 9701751 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 2423E603F6 for ; Wed, 26 Apr 2017 17:18:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 10C3028624 for ; Wed, 26 Apr 2017 17:18:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 05E0128631; Wed, 26 Apr 2017 17:18:15 +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 C832E28624 for ; Wed, 26 Apr 2017 17:18:14 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DB0AC6E565; Wed, 26 Apr 2017 17:18:13 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id D0CC96E55E for ; Wed, 26 Apr 2017 17:18:12 +0000 (UTC) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Apr 2017 10:18:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.37,255,1488873600"; d="scan'208";a="961400138" Received: from ideak-desk.fi.intel.com ([10.237.72.61]) by orsmga003.jf.intel.com with ESMTP; 26 Apr 2017 10:18:11 -0700 From: Imre Deak To: intel-gfx@lists.freedesktop.org Date: Wed, 26 Apr 2017 20:18:06 +0300 Message-Id: <1493227086-3807-4-git-send-email-imre.deak@intel.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1493227086-3807-1-git-send-email-imre.deak@intel.com> References: <1493227086-3807-1-git-send-email-imre.deak@intel.com> In-Reply-To: <1493214013-15580-8-git-send-email-imre.deak@intel.com> References: <1493214013-15580-8-git-send-email-imre.deak@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 7/8] drm/i915/lvds: Remove magic from PLL programming 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP This looks like a left-over from enabling work. The spec defines CH7017_LVDS_PLL_FEEDBACK_DEFAULT_RESERVED as reserved set, so follow this in the programming. v2: - Follow the spec to set CH7017_LVDS_PLL_FEEDBACK_DEFAULT_RESERVED. (Ville) Cc: Ville Syrjälä Signed-off-by: Imre Deak Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/dvo_ch7017.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/dvo_ch7017.c b/drivers/gpu/drm/i915/dvo_ch7017.c index b3c7c19..80b3e16 100644 --- a/drivers/gpu/drm/i915/dvo_ch7017.c +++ b/drivers/gpu/drm/i915/dvo_ch7017.c @@ -280,10 +280,10 @@ static void ch7017_mode_set(struct intel_dvo_device *dvo, (0 << CH7017_PHASE_DETECTOR_SHIFT); } else { outputs_enable = CH7017_LVDS_CHANNEL_A | CH7017_CHARGE_PUMP_HIGH; - lvds_pll_feedback_div = CH7017_LVDS_PLL_FEEDBACK_DEFAULT_RESERVED | + lvds_pll_feedback_div = + CH7017_LVDS_PLL_FEEDBACK_DEFAULT_RESERVED | (2 << CH7017_LVDS_PLL_FEED_BACK_DIVIDER_SHIFT) | (3 << CH7017_LVDS_PLL_FEED_FORWARD_DIVIDER_SHIFT); - lvds_pll_feedback_div = 35; lvds_control_2 = (3 << CH7017_LOOP_FILTER_SHIFT) | (0 << CH7017_PHASE_DETECTOR_SHIFT); if (1) { /* XXX: dual channel panel detection. Assume yes for now. */