From patchwork Mon Apr 15 08:14:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Vivekanandan, Balasubramani" X-Patchwork-Id: 13629626 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 3FB59C04FF9 for ; Mon, 15 Apr 2024 08:14:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7567C1122CA; Mon, 15 Apr 2024 08:14:19 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="X42wY3lB"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4CB3E1122C9; Mon, 15 Apr 2024 08:14:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1713168857; x=1744704857; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=1TfEJ8PvVDoifb4hsf/LwZDd8afM1i+Uq3xwsm3chgI=; b=X42wY3lBc4NU697SEjWCfEFAH5pw/4JM5Gdw1uccRpx0oBWbk5n2r+oZ zCilDR5AUnyWLoyF4hwJsIvA6I9Flj9rg2NdzXOb1lrGZlcezOiitedad 7FH+LlvEVQUAVDFQCwLS+6gvxNaF9uTC/KgcH9Tii6QSIjP58HUTbCN1Z kIlMCBeNHUg6s2zkH5Kqiu2tVWD0XjzE3jK9oNWCFlogHx8VfxQPmeT3m FFDgYwrFJvGEaO17gKObWz0tLm8UKB8XrgPCNyQaUckXm3ZYgzVWZOWDd EwGDVAgJ6Lbi616+acR0CTkQLjXFXSjMGNJepVyKZIZTjJN5c8KswCUMy Q==; X-CSE-ConnectionGUID: xVAVLIJtQQGb6jeCXZIcIQ== X-CSE-MsgGUID: NUX4vEYDQVWADXFpa9MVTw== X-IronPort-AV: E=McAfee;i="6600,9927,11044"; a="9096397" X-IronPort-AV: E=Sophos;i="6.07,202,1708416000"; d="scan'208";a="9096397" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2024 01:14:17 -0700 X-CSE-ConnectionGUID: 7UX0Aqv5TC6fkVmtpNYXXg== X-CSE-MsgGUID: ijNWqGAETeu+kJUpbldCTA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,202,1708416000"; d="scan'208";a="26400323" Received: from bvivekan-desk.iind.intel.com ([10.190.238.63]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2024 01:14:15 -0700 From: Balasubramani Vivekanandan To: intel-xe@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Cc: Lucas De Marchi , Matt Roper , Balasubramani Vivekanandan , Clint Taylor Subject: [PATCH v3 09/21] drm/i915/xe2hpd: Add support for eDP PLL configuration Date: Mon, 15 Apr 2024 13:44:11 +0530 Message-Id: <20240415081423.495834-10-balasubramani.vivekanandan@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240415081423.495834-1-balasubramani.vivekanandan@intel.com> References: <20240415081423.495834-1-balasubramani.vivekanandan@intel.com> MIME-Version: 1.0 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" Tables for eDP PHY PLL configuration for different link rates added for Xe2_HPD. Previous platforms were using C10 PHY for eDP port whereas Xe2_HPD has C20 PHY. v2: Updated with a more appropriate Bspec number. Bspec: 74165 CC: Clint Taylor Signed-off-by: Balasubramani Vivekanandan Reviewed-by: Matt Roper --- drivers/gpu/drm/i915/display/intel_cx0_phy.c | 147 ++++++++++++++++++- 1 file changed, 146 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index 9bf882b439f4..8d37a2688809 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -945,6 +945,148 @@ static const struct intel_c20pll_state * const mtl_c20_dp_tables[] = { NULL, }; +/* + * eDP link rates with 38.4 MHz reference clock. + */ + +static const struct intel_c20pll_state xe2hpd_c20_edp_r216 = { + .clock = 216000, + .tx = { 0xbe88, + 0x4800, + 0x0000, + }, + .cmn = { 0x0500, + 0x0005, + 0x0000, + 0x0000, + }, + .mpllb = { 0x50e1, + 0x2120, + 0x8e18, + 0xbfc1, + 0x9000, + 0x78f6, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + }, +}; + +static const struct intel_c20pll_state xe2hpd_c20_edp_r243 = { + .clock = 243000, + .tx = { 0xbe88, + 0x4800, + 0x0000, + }, + .cmn = { 0x0500, + 0x0005, + 0x0000, + 0x0000, + }, + .mpllb = { 0x50fd, + 0x2120, + 0x8f18, + 0xbfc1, + 0xa200, + 0x8814, + 0x2000, + 0x0001, + 0x1000, + 0x0000, + 0x0000, + }, +}; + +static const struct intel_c20pll_state xe2hpd_c20_edp_r324 = { + .clock = 324000, + .tx = { 0xbe88, + 0x4800, + 0x0000, + }, + .cmn = { 0x0500, + 0x0005, + 0x0000, + 0x0000, + }, + .mpllb = { 0x30a8, + 0x2110, + 0xcd9a, + 0xbfc1, + 0x6c00, + 0x5ab8, + 0x2000, + 0x0001, + 0x6000, + 0x0000, + 0x0000, + }, +}; + +static const struct intel_c20pll_state xe2hpd_c20_edp_r432 = { + .clock = 432000, + .tx = { 0xbe88, + 0x4800, + 0x0000, + }, + .cmn = { 0x0500, + 0x0005, + 0x0000, + 0x0000, + }, + .mpllb = { 0x30e1, + 0x2110, + 0x8e18, + 0xbfc1, + 0x9000, + 0x78f6, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + 0x0000, + }, +}; + +static const struct intel_c20pll_state xe2hpd_c20_edp_r675 = { + .clock = 675000, + .tx = { 0xbe88, + 0x4800, + 0x0000, + }, + .cmn = { 0x0500, + 0x0005, + 0x0000, + 0x0000, + }, + .mpllb = { 0x10af, + 0x2108, + 0xce1a, + 0xbfc1, + 0x7080, + 0x5e80, + 0x2000, + 0x0001, + 0x6400, + 0x0000, + 0x0000, + }, +}; + +static const struct intel_c20pll_state * const xe2hpd_c20_edp_tables[] = { + &mtl_c20_dp_rbr, + &xe2hpd_c20_edp_r216, + &xe2hpd_c20_edp_r243, + &mtl_c20_dp_hbr1, + &xe2hpd_c20_edp_r324, + &xe2hpd_c20_edp_r432, + &mtl_c20_dp_hbr2, + &xe2hpd_c20_edp_r675, + &mtl_c20_dp_hbr3, + NULL, +}; + /* * HDMI link rates with 38.4 MHz reference clock. */ @@ -2062,7 +2204,10 @@ intel_c20_pll_tables_get(struct intel_crtc_state *crtc_state, struct intel_encoder *encoder) { if (intel_crtc_has_dp_encoder(crtc_state)) - return mtl_c20_dp_tables; + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) + return xe2hpd_c20_edp_tables; + else + return mtl_c20_dp_tables; else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) return mtl_c20_hdmi_tables;