From patchwork Tue Feb 28 07:21:13 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ander Conselvan de Oliveira X-Patchwork-Id: 9594893 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 61172601D7 for ; Tue, 28 Feb 2017 07:21:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 513CD28113 for ; Tue, 28 Feb 2017 07:21:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 45922284DE; Tue, 28 Feb 2017 07:21:30 +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 085E028113 for ; Tue, 28 Feb 2017 07:21:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 62DA26E612; Tue, 28 Feb 2017 07:21:29 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 939456E612 for ; Tue, 28 Feb 2017 07:21:28 +0000 (UTC) Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Feb 2017 23:21:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.35,218,1484035200"; d="scan'208";a="230484394" Received: from linux.intel.com ([10.54.29.200]) by fmsmga004.fm.intel.com with ESMTP; 27 Feb 2017 23:21:28 -0800 Received: from localhost (akyle-mobl1.ger.corp.intel.com [10.252.9.218]) by linux.intel.com (Postfix) with ESMTP id 39E8E6A4080; Mon, 27 Feb 2017 23:21:25 -0800 (PST) From: Ander Conselvan de Oliveira To: intel-gfx@lists.freedesktop.org Date: Tue, 28 Feb 2017 09:21:13 +0200 Message-Id: <20170228072113.21530-2-ander.conselvan.de.oliveira@intel.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170228071452.20404-1-ander.conselvan.de.oliveira@intel.com> References: <20170228071452.20404-1-ander.conselvan.de.oliveira@intel.com> MIME-Version: 1.0 Cc: Ander Conselvan de Oliveira Subject: [Intel-gfx] [PATCH 2/2] drm/i915: Remove duplicate DDI enabling logic from MST path 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 The logic to enable a DDI in intel_mst_pre_enable_dp() is essentially the same as in intel_ddi_pre_enable_dp(). So reuse the latter function by calling the post_disable hook on the intel_dig_port instead of duplicating that code. Cc: Ville Syrjälä Signed-off-by: Ander Conselvan de Oliveira Reviewed-by: Imre Deak --- drivers/gpu/drm/i915/intel_ddi.c | 2 ++ drivers/gpu/drm/i915/intel_dp_mst.c | 23 +++-------------------- 2 files changed, 5 insertions(+), 20 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index e9013f1..71aaddf 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1695,6 +1695,8 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder, enum port port = intel_ddi_get_encoder_port(encoder); struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base); + WARN_ON(link_mst && port == PORT_A); + intel_dp_set_link_params(intel_dp, link_rate, lane_count, link_mst); if (encoder->type == INTEL_OUTPUT_EDP) diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index a8334e1..094cbdc 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -159,26 +159,9 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder, DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); - if (intel_dp->active_mst_links == 0) { - intel_ddi_clk_select(&intel_dig_port->base, - pipe_config->shared_dpll); - - intel_display_power_get(dev_priv, - intel_dig_port->ddi_io_power_domain); - - intel_prepare_dp_ddi_buffers(&intel_dig_port->base); - intel_dp_set_link_params(intel_dp, - pipe_config->port_clock, - pipe_config->lane_count, - true); - - intel_ddi_init_dp_buf_reg(&intel_dig_port->base); - - intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); - - intel_dp_start_link_train(intel_dp); - intel_dp_stop_link_train(intel_dp); - } + if (intel_dp->active_mst_links == 0) + intel_dig_port->base.pre_enable(&intel_dig_port->base, + pipe_config, NULL); ret = drm_dp_mst_allocate_vcpi(&intel_dp->mst_mgr, connector->port,