From patchwork Fri Mar 23 17:24:16 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zanoni, Paulo R" X-Patchwork-Id: 10305175 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 BE3CA600CC for ; Fri, 23 Mar 2018 17:24:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AE3FE28F03 for ; Fri, 23 Mar 2018 17:24:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A280D2905B; Fri, 23 Mar 2018 17:24:29 +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=-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 3761128F03 for ; Fri, 23 Mar 2018 17:24:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 69DF26E014; Fri, 23 Mar 2018 17:24:28 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id BD9EA6E014 for ; Fri, 23 Mar 2018 17:24:24 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 23 Mar 2018 10:24:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,351,1517904000"; d="scan'208";a="214292150" Received: from przanoni-mobl.jf.intel.com ([10.24.10.35]) by fmsmga005.fm.intel.com with ESMTP; 23 Mar 2018 10:24:24 -0700 From: Paulo Zanoni To: intel-gfx@lists.freedesktop.org Date: Fri, 23 Mar 2018 10:24:16 -0700 Message-Id: <20180323172419.24911-5-paulo.r.zanoni@intel.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180323172419.24911-1-paulo.r.zanoni@intel.com> References: <20180323172419.24911-1-paulo.r.zanoni@intel.com> Subject: [Intel-gfx] [PATCH 4/7] drm/i915/icl: Add Voltage swing table for MG PHY DDI Buffer 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: Paulo Zanoni , Rodrigo Vivi MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP From: Manasi Navare This table is used for voltage swing programming sequence during DDI Buffer initialization for MG PHY DDI Buffers on Icelake. v2 (from Paulo): * Fix white space issues. Cc: Rodrigo Vivi Cc: Jani Nikula Reviewed-by: Paulo Zanoni Signed-off-by: Manasi Navare Signed-off-by: Paulo Zanoni --- drivers/gpu/drm/i915/intel_ddi.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 229b9d5250c4..359acbfec4b1 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -592,6 +592,26 @@ static const struct icl_combo_phy_ddi_buf_trans icl_combo_phy_ddi_translations_e { 0x0, 0x00, 0x00 }, /* 350 0.0 */ }; +struct icl_mg_phy_ddi_buf_trans { + u32 cri_txdeemph_override_5_0; + u32 cri_txdeemph_override_11_6; + u32 cri_txdeemph_override_17_12; +}; + +static const struct icl_mg_phy_ddi_buf_trans icl_mg_phy_ddi_translations[] = { + /* Voltage swing pre-emphasis */ + { 0x0, 0x1B, 0x00 }, /* 0 0 */ + { 0x0, 0x23, 0x08 }, /* 0 1 */ + { 0x0, 0x2D, 0x12 }, /* 0 2 */ + { 0x0, 0x00, 0x00 }, /* 0 3 */ + { 0x0, 0x23, 0x00 }, /* 1 0 */ + { 0x0, 0x2B, 0x09 }, /* 1 1 */ + { 0x0, 0x2E, 0x11 }, /* 1 2 */ + { 0x0, 0x2F, 0x00 }, /* 2 0 */ + { 0x0, 0x33, 0x0C }, /* 2 1 */ + { 0x0, 0x00, 0x00 }, /* 3 0 */ +}; + static const struct ddi_buf_trans * bdw_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) {