From patchwork Wed Apr 12 22:49:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sripada, Radhakrishna" X-Patchwork-Id: 13209620 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 9100CC77B6C for ; Wed, 12 Apr 2023 22:50:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9468C10E9D8; Wed, 12 Apr 2023 22:50:48 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1315B10E9D7 for ; Wed, 12 Apr 2023 22:50:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1681339847; x=1712875847; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=QVKbNucRIBuvpObjtFAxKDOFvdoFXl81/s+5E0IZlO4=; b=a5Ktqp1htlRkTfGIRH2w0tf/j6bFm5f6+2V9UE1njZWXooL1gF1uRSZO aCz1djpeeOk623mpWGwgZXHgNI/KhGh255uyIipN+wYB6Sg8jAkwFo4pV zMwDTeO+wD7PuZLcmlvAVrEc8AKxCRCTJLPiEG3Qh9Eh6jQr105FXolho SzlQ3t/c2DjeWNjASPTKL7WYEkAMU7OtgmqPtKdvCfyRrCBV2iTZp9xjX Vovz062fMsuHUYjt3Pmd7s64oYe1QGLe02RB1lC4YaCK3Hqs6h+3hwWEO pFZaZvGJZvdqAeHiglbWb7WYy8ALciBx5+/Jg3h3teaLpQq54LNFucvyu g==; X-IronPort-AV: E=McAfee;i="6600,9927,10678"; a="371890354" X-IronPort-AV: E=Sophos;i="5.98,339,1673942400"; d="scan'208";a="371890354" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Apr 2023 15:50:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10678"; a="1018906835" X-IronPort-AV: E=Sophos;i="5.98,339,1673942400"; d="scan'208";a="1018906835" Received: from invictus.jf.intel.com ([10.165.21.201]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Apr 2023 15:50:44 -0700 From: Radhakrishna Sripada To: intel-gfx@lists.freedesktop.org Date: Wed, 12 Apr 2023 15:49:17 -0700 Message-Id: <20230412224925.1309815-2-radhakrishna.sripada@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230412224925.1309815-1-radhakrishna.sripada@intel.com> References: <20230412224925.1309815-1-radhakrishna.sripada@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 1/9] 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" From: Mika Kahola Add DP rates for Meteorlake. Reviewed-by: Vinod Govindapillai 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 48d43f7f0c58..db7b6eaf8c85 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))