From patchwork Thu Mar 16 11:13:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Kahola X-Patchwork-Id: 13177404 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 87FA3C6FD1F for ; Thu, 16 Mar 2023 11:19:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D241E10ECA1; Thu, 16 Mar 2023 11:18:58 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id CD08810E09E for ; Thu, 16 Mar 2023 11:18:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1678965534; x=1710501534; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=1oxFwAL98X+52CK9VIEbR6WQ/L1MADj4uUO8GCwTUaA=; b=G45G++m9LgcemH64N0cB9W7ilvK3LQDCv2GpzInzQ/5HnHLt+540zU/v RGneJOL5j+hsY1fo4iGIahag90RwVQQiaS1r73nZlQk3WgC+IQe8XlE01 +ldM5GlkOZIe1OZlPIp8HPdt/XN8lseHIGij3+kFukDFkMr98egppRHBB gUU4mZ34d5NpET9LBcPP1mVERrJTXFcWkZgFAjEAEPa9VXKxre+nD5HbE m7fo7nxKmarLd5Nwp/jEyO5QoBi8fvn3ecHit4D5Ku7Sn0F0DqNRn7hFU nKGhs3t5xnGt/+wrkn3TC4JtOL70kr6r6dG8U+EI8iuVRIzzEMe150msI w==; X-IronPort-AV: E=McAfee;i="6500,9779,10650"; a="339485821" X-IronPort-AV: E=Sophos;i="5.98,265,1673942400"; d="scan'208";a="339485821" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Mar 2023 04:18:54 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10650"; a="744083093" X-IronPort-AV: E=Sophos;i="5.98,265,1673942400"; d="scan'208";a="744083093" Received: from sorvi2.fi.intel.com ([10.237.72.194]) by fmsmga008.fm.intel.com with ESMTP; 16 Mar 2023 04:18:53 -0700 From: Mika Kahola To: intel-gfx@lists.freedesktop.org Date: Thu, 16 Mar 2023 13:13:15 +0200 Message-Id: <20230316111335.66915-3-mika.kahola@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230316111335.66915-1-mika.kahola@intel.com> References: <20230316111335.66915-1-mika.kahola@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v5 02/22] drm/i915/mtl: Add DP rates X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 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" Add DP rates for Meteorlake. Signed-off-by: Radhakrishna Sripada Signed-off-by: Mika Kahola --- drivers/gpu/drm/i915/display/intel_dp.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index da1c00ee92fb..4927aeb64f23 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -420,6 +420,11 @@ static int ehl_max_source_rate(struct intel_dp *intel_dp) return 810000; } +static int mtl_max_source_rate(struct intel_dp *intel_dp) +{ + return intel_dp_is_edp(intel_dp) ? 675000 : 810000; +} + static int vbt_max_link_rate(struct intel_dp *intel_dp) { struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; @@ -444,6 +449,10 @@ static void intel_dp_set_source_rates(struct intel_dp *intel_dp) { /* The values must be in increasing order */ + static const int mtl_rates[] = { + 162000, 216000, 243000, 270000, 324000, 432000, 540000, 675000, + 810000, + }; static const int icl_rates[] = { 162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000, 1000000, 1350000, @@ -469,7 +478,11 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp) drm_WARN_ON(&dev_priv->drm, intel_dp->source_rates || intel_dp->num_source_rates); - if (DISPLAY_VER(dev_priv) >= 11) { + if (DISPLAY_VER(dev_priv) >= 14) { + source_rates = mtl_rates; + size = ARRAY_SIZE(mtl_rates); + max_rate = mtl_max_source_rate(intel_dp); + } else if (DISPLAY_VER(dev_priv) >= 11) { source_rates = icl_rates; size = ARRAY_SIZE(icl_rates); if (IS_DG2(dev_priv))