From patchwork Tue Feb 7 12:43:08 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Chauhan, Madhav" X-Patchwork-Id: 9559801 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 9C45D6047A for ; Tue, 7 Feb 2017 12:47:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8EFED28461 for ; Tue, 7 Feb 2017 12:47:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 83E832846A; Tue, 7 Feb 2017 12:47:50 +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 50E0428461 for ; Tue, 7 Feb 2017 12:47:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DEFD76E6AD; Tue, 7 Feb 2017 12:47:49 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id EA0616E6AD for ; Tue, 7 Feb 2017 12:47:48 +0000 (UTC) Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga105.fm.intel.com with ESMTP; 07 Feb 2017 04:47:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,346,1477983600"; d="scan'208";a="62140824" Received: from unknown (HELO madhav-desktop.iind.intel.com) ([10.223.25.13]) by fmsmga005.fm.intel.com with ESMTP; 07 Feb 2017 04:47:46 -0800 From: Madhav Chauhan To: intel-gfx@lists.freedesktop.org Date: Tue, 7 Feb 2017 18:13:08 +0530 Message-Id: <1486471392-1803-5-git-send-email-madhav.chauhan@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1486471392-1803-1-git-send-email-madhav.chauhan@intel.com> References: <1486471392-1803-1-git-send-email-madhav.chauhan@intel.com> Cc: ander.conselvan.de.oliveira@intel.com, jani.nikula@intel.com, Deepak M Subject: [Intel-gfx] [GLK MIPI DSI V4 4/8] drm/i915: Set the Z inversion overlap field 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 From: Deepak M Dual link Z-inversion overlap field is present in MIPI_CTRL register unlike the older platforms, hence setting the same in this patch. Signed-off-by: Deepak M Signed-off-by: Madhav Chauhan --- drivers/gpu/drm/i915/intel_dsi.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 0def214..bd2d180 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -561,12 +561,21 @@ static void intel_dsi_port_enable(struct intel_encoder *encoder) if (intel_dsi->dual_link == DSI_DUAL_LINK_FRONT_BACK) { u32 temp; - - temp = I915_READ(VLV_CHICKEN_3); - temp &= ~PIXEL_OVERLAP_CNT_MASK | + if (IS_GEN9_LP(dev_priv)) { + for_each_dsi_port(port, intel_dsi->ports) { + temp = I915_READ(MIPI_CTRL(port)); + temp &= ~BXT_PIXEL_OVERLAP_CNT_MASK | + intel_dsi->pixel_overlap << + BXT_PIXEL_OVERLAP_CNT_SHIFT; + I915_WRITE(MIPI_CTRL(port), temp); + } + } else { + temp = I915_READ(VLV_CHICKEN_3); + temp &= ~PIXEL_OVERLAP_CNT_MASK | intel_dsi->pixel_overlap << PIXEL_OVERLAP_CNT_SHIFT; - I915_WRITE(VLV_CHICKEN_3, temp); + I915_WRITE(VLV_CHICKEN_3, temp); + } } for_each_dsi_port(port, intel_dsi->ports) {