From patchwork Mon Nov 7 07:20:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13033877 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 D020DC43219 for ; Mon, 7 Nov 2022 07:20:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9462A10E21D; Mon, 7 Nov 2022 07:20:37 +0000 (UTC) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 00E6A10E200; Mon, 7 Nov 2022 07:20:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667805627; x=1699341627; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=4hNFOrnhQjl7OM9Ie3RGrxxHa9sGXPz1xv9y4vGsIL8=; b=CL6V394/D2K5a0V4jDkdt2Es3NdQukb9UpTnKGy9P5k9RiqVcn71vKjS K2mFy9vL1Ij5ZCWXsEdg08FQEcI2u2GNz4DgD35GVb0aScfNNUfiuKq1w gYuAyTZTP4ruKdDGnr8Gk7QLlGEhvHKEevkLtTPchRJ8z708g0zGjl2Ap 9ylFGH5ok+urQL87Zgoq/TtzfDXpPXFronSSMUH/m+4+TT6w4z4PRjsGr zeRHh7hf4vm9q0aeF8cInV4fEQKjv3LpcHK4jIPz5DWvHr1o8RY7Q7DqJ tqIbvEs/fRWsqP9jcZDgfPMffQwWWR6py4VFoKCYnHWxQyPKNjgiU3Ifs Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10523"; a="372463358" X-IronPort-AV: E=Sophos;i="5.96,143,1665471600"; d="scan'208";a="372463358" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2022 23:20:26 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10523"; a="704767264" X-IronPort-AV: E=Sophos;i="5.96,143,1665471600"; d="scan'208";a="704767264" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2022 23:20:24 -0800 From: Ankit Nautiyal To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Date: Mon, 7 Nov 2022 12:50:37 +0530 Message-Id: <20221107072045.628895-8-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221107072045.628895-1-ankit.k.nautiyal@intel.com> References: <20221107072045.628895-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [RFC 07/15] drm/i915/mtl: Add registers for FRL Link Training 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 registers for FRL configuration. Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/i915_reg.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 765a10e0de88..b50e1349d22c 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2121,6 +2121,28 @@ #define TRANS_PUSH_EN REG_BIT(31) #define TRANS_PUSH_SEND REG_BIT(30) +/* HDMI 2.1 FRL Configuration */ +#define _TRANS_HDMI_FRL_CFG_A 0x600B0 +#define TRANS_HDMI_FRL_CFG(trans) _MMIO_TRANS2(trans, _TRANS_HDMI_FRL_CFG_A) +#define TRANS_HDMI_FRL_ENABLE REG_BIT(31) +#define TRANS_HDMI_TMDS_ENABLE 0 +#define TRANS_HDMI_FRL_TRAINING_COMPLETE REG_BIT(28) +#define TRANS_HDMI_DISABLE_DFM_MASKING REG_BIT(20) +#define TRANS_HDMI_R_B_SCHED_ENABLE_MASK REG_BIT(19) +#define TRANS_HDMI_R_B_SCHED_ENABLE(val) REG_FIELD_PREP(TRANS_HDMI_R_B_SCHED_ENABLE_MASK, val) +#define TRANS_HDMI_ACTIVE_CHAR_BUF_THRESH_MASK REG_GENMASK(18, 16) +#define TRANS_HDMI_ACTIVE_CHAR_BUF_THRESH(val) REG_FIELD_PREP(TRANS_HDMI_ACTIVE_CHAR_BUF_THRESH_MASK, val) +#define TRANS_HDMI_MIN_BLANK_CHAR_MASK REG_GENMASK(15, 12) +#define TRANS_HDMI_MIN_BLANK_CHAR(val) REG_FIELD_PREP(TRANS_HDMI_MIN_BLANK_CHAR_MASK, val) +#define TRANS_HDMI_MIN_BLANK_CHAR_VAL 0xA +#define TRANS_HDMI_FRL_PKT_PAYLOAD_MAX_MASK REG_GENMASK(9, 0) +#define TRANS_HDMI_FRL_PKT_PAYLOAD_MAX(val) REG_FIELD_PREP(TRANS_HDMI_FRL_PKT_PAYLOAD_MAX_MASK, val) +#define TRANS_HDMI_PAYLOAD_UPPER_BOUND 0x3FE + +#define _TRANS_HDMI_FRL_TRAIN_A 0x600B4 +#define TRANS_HDMI_FRL_TRAIN(trans) _MMIO_TRANS2(trans, _TRANS_HDMI_FRL_TRAIN_A) +#define TRANS_HDMI_FRL_LTP(pattern, lane) ((pattern) << (lane) * 8) + /* * HSW+ eDP PSR registers *