From patchwork Tue Jul 2 04:18:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kulkarni, Vandita" X-Patchwork-Id: 11027229 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 04729746 for ; Tue, 2 Jul 2019 04:44:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E6F2E287E9 for ; Tue, 2 Jul 2019 04:44:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DBB71287F5; Tue, 2 Jul 2019 04:44:29 +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=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 9F305287E9 for ; Tue, 2 Jul 2019 04:44:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2BF5F89C1E; Tue, 2 Jul 2019 04:44:29 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id BC43E89BCD for ; Tue, 2 Jul 2019 04:44:27 +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 fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 01 Jul 2019 21:44:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,442,1557212400"; d="scan'208";a="157506414" Received: from vandita-desktop.iind.intel.com ([10.223.74.126]) by orsmga008.jf.intel.com with ESMTP; 01 Jul 2019 21:44:25 -0700 From: Vandita Kulkarni To: intel-gfx@lists.freedesktop.org Date: Tue, 2 Jul 2019 09:48:50 +0530 Message-Id: <20190702041850.4293-5-vandita.kulkarni@intel.com> X-Mailer: git-send-email 2.21.0.5.gaeb582a In-Reply-To: <20190702041850.4293-1-vandita.kulkarni@intel.com> References: <20190702041850.4293-1-vandita.kulkarni@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 4/4] drm/i915/tgl/dsi: Gate the ddi clocks after pll mapping X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jani.nikula@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP No need to keep it on till IO enabling. Signed-off-by: Vandita Kulkarni Reviewed-by: Uma Shankar --- drivers/gpu/drm/i915/display/icl_dsi.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index d1c50a4186f0..99ce8c708353 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -609,8 +609,12 @@ static void gen11_dsi_map_pll(struct intel_encoder *encoder, I915_WRITE(DPCLKA_CFGCR0_ICL, val); for_each_dsi_port(port, intel_dsi->ports) { - val &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port); + if (INTEL_GEN(dev_priv) >= 12) + val |= DPCLKA_CFGCR0_DDI_CLK_OFF(port); + else + val &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port); } + I915_WRITE(DPCLKA_CFGCR0_ICL, val); POSTING_READ(DPCLKA_CFGCR0_ICL); @@ -955,6 +959,8 @@ static void gen11_dsi_enable_port_and_phy(struct intel_encoder *encoder, const struct intel_crtc_state *pipe_config) { + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + /* step 4a: power up all lanes of the DDI used by DSI */ gen11_dsi_power_up_lanes(encoder); @@ -977,7 +983,8 @@ gen11_dsi_enable_port_and_phy(struct intel_encoder *encoder, gen11_dsi_configure_transcoder(encoder, pipe_config); /* Step 4l: Gate DDI clocks */ - gen11_dsi_gate_clocks(encoder); + if (IS_GEN(dev_priv, 11)) + gen11_dsi_gate_clocks(encoder); } static void gen11_dsi_powerup_panel(struct intel_encoder *encoder)