From patchwork Fri Dec 14 18:06:42 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Taylor, Clinton A" X-Patchwork-Id: 10731517 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 ABB07924 for ; Fri, 14 Dec 2018 18:06:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E343D2D912 for ; Fri, 14 Dec 2018 18:06:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D7BCE2D930; Fri, 14 Dec 2018 18:06:24 +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 8AB182D912 for ; Fri, 14 Dec 2018 18:06:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 094EC6F62E; Fri, 14 Dec 2018 18:06:24 +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 280346F62E for ; Fri, 14 Dec 2018 18:06:23 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Dec 2018 10:06:22 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,353,1539673200"; d="scan'208";a="100758252" Received: from cataylo2-ubuntu64-14.jf.intel.com ([10.7.199.137]) by orsmga006.jf.intel.com with ESMTP; 14 Dec 2018 10:06:22 -0800 From: clinton.a.taylor@intel.com To: Intel-gfx@lists.freedesktop.org Date: Fri, 14 Dec 2018 10:06:42 -0800 Message-Id: <1544810802-13392-1-git-send-email-clinton.a.taylor@intel.com> X-Mailer: git-send-email 1.9.1 Subject: [Intel-gfx] [PATCH] drm/i915/dsi: Add PORT_TX_DW7 programming to DSI vswing sequence 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 MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Clint Taylor Program PORT_TX_DW7 to the value specified in the DDI Buffer section of the BSPEC. BSEPC: 21257 Cc: Madhav Chauhan Cc: Jani Nikula Cc: Imre Deak Signed-off-by: Clint Taylor --- drivers/gpu/drm/i915/icl_dsi.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index 4dd793b..f57aa0d 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -236,6 +236,16 @@ static void dsi_program_swing_and_deemphasis(struct intel_encoder *encoder) tmp |= RCOMP_SCALAR(0x98); I915_WRITE(ICL_PORT_TX_DW2_AUX(port), tmp); + tmp = I915_READ(ICL_PORT_TX_DW7_LN0(port)); + tmp &= ~(N_SCALAR_MASK); + tmp |= N_SCALAR(0x7f); + I915_WRITE(ICL_PORT_TX_DW7_GRP(port), tmp); + + tmp = I915_READ(ICL_PORT_TX_DW7_AUX(port)); + tmp &= ~(N_SCALAR_MASK); + tmp |= N_SCALAR(0x7f); + I915_WRITE(ICL_PORT_TX_DW7_AUX(port), tmp); + tmp = I915_READ(ICL_PORT_TX_DW4_AUX(port)); tmp &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | CURSOR_COEFF_MASK);