From patchwork Tue Dec 3 02:31:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Souza, Jose" X-Patchwork-Id: 11270157 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6AFE313A4 for ; Tue, 3 Dec 2019 02:31:18 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 53ABB2068E for ; Tue, 3 Dec 2019 02:31:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 53ABB2068E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CED906E375; Tue, 3 Dec 2019 02:31:16 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id F37476E36F for ; Tue, 3 Dec 2019 02:31:14 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 Dec 2019 18:31:14 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,271,1571727600"; d="scan'208";a="213263407" Received: from josouza-mobl.jf.intel.com (HELO josouza-MOBL.intel.com) ([10.98.40.52]) by orsmga003.jf.intel.com with ESMTP; 02 Dec 2019 18:31:13 -0800 From: =?utf-8?q?Jos=C3=A9_Roberto_de_Souza?= To: intel-gfx@lists.freedesktop.org Date: Mon, 2 Dec 2019 18:31:09 -0800 Message-Id: <20191203023110.488972-1-jose.souza@intel.com> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 1/2] drm/i915/dp: Define each HBR link rate 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" This is better than keep those values in the code that you always need to check the DP spec to know what level of HBR it is. Signed-off-by: José Roberto de Souza Reviewed-by: Matt Roper --- drivers/gpu/drm/i915/display/intel_ddi.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index a976606d21c7..914f0cc4d237 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -49,6 +49,10 @@ #include "intel_tc.h" #include "intel_vdsc.h" +#define HBR_RATE 270000 +#define HBR2_RATE 540000 +#define HBR3_RATE 810000 + struct ddi_buf_trans { u32 trans1; /* balance leg enable, de-emph level */ u32 trans2; /* vref sel, vswing */ @@ -888,7 +892,7 @@ icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, int type, int rate, if (type == INTEL_OUTPUT_HDMI) { *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_hdmi); return icl_combo_phy_ddi_translations_hdmi; - } else if (rate > 540000 && type == INTEL_OUTPUT_EDP) { + } else if (rate > HBR2_RATE && type == INTEL_OUTPUT_EDP) { *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr3); return icl_combo_phy_ddi_translations_edp_hbr3; } else if (type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.low_vswing) {