From patchwork Thu Apr 17 09:41:16 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Animesh Manna X-Patchwork-Id: 14055218 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 B3847C369B2 for ; Thu, 17 Apr 2025 10:04:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 732D010EA86; Thu, 17 Apr 2025 10:04:53 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="OpbPhPC4"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id A05A010EA84; Thu, 17 Apr 2025 10:04:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1744884292; x=1776420292; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Gmq5Z+7OXhoDZJElZfP1qkabagScz/OvTk0fdZJ2l7Y=; b=OpbPhPC4SbFEk2q7RTC17OigeFIbenMh5aNXluPcDEzx/jra1rEBdlt4 KHG2DkaQVvBPs8VthZJeHwkSQqfiMaQpkvClYN7+UiqJbL2E+i+qEZOXV YcZJaI9vPk/Ja5XHjh0oDl0uWWgasDrf1iKD+xTceMB7Py5m0by5Cp/rH YCMin2Gg4pYGNVnOglQS2d9foqZRBwzFdvw0/JlnyunxS3cPDb2IXCvpT PCVpjQ+tBgahk6zn5oP2qe81XuWXbP+1RYE8516OGFEliRf19hGT62+dl 5NqgNY5tXzDtnWCK2Vt1+uKwE1CKbrJroOTBZI/QORwNgwGbKYZX93cDk Q==; X-CSE-ConnectionGUID: hhkX8uUkTB+uI0faPwwkIA== X-CSE-MsgGUID: Vz8wit6SQbeC6NipYEQshw== X-IronPort-AV: E=McAfee;i="6700,10204,11405"; a="57106689" X-IronPort-AV: E=Sophos;i="6.15,218,1739865600"; d="scan'208";a="57106689" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Apr 2025 03:04:52 -0700 X-CSE-ConnectionGUID: mTFrKsrjTqyNopY4PtyfmA== X-CSE-MsgGUID: k/lBnV2bS0+EOXax5HuzbA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,218,1739865600"; d="scan'208";a="130745323" Received: from srr4-3-linux-101-amanna.iind.intel.com ([10.223.74.76]) by fmviesa007.fm.intel.com with ESMTP; 17 Apr 2025 03:04:50 -0700 From: Animesh Manna To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: jouni.hogander@intel.com, jani.nikula@intel.com, jeevan.b@intel.com, Animesh Manna Subject: [PATCH v9 03/10] drm/i915/lobf: Add debug print for LOBF Date: Thu, 17 Apr 2025 15:11:16 +0530 Message-Id: <20250417094123.1662424-4-animesh.manna@intel.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20250417094123.1662424-1-animesh.manna@intel.com> References: <20250417094123.1662424-1-animesh.manna@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" Lobf is enabled part of ALPM configuration and if has_lobf is set to true respective bit for LOBF will be set. Add debug print while setting the bitfield of LOBF. Signed-off-by: Animesh Manna Reviewed-by: Jouni Högander --- drivers/gpu/drm/i915/display/intel_alpm.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c b/drivers/gpu/drm/i915/display/intel_alpm.c index 41f8b05cc11c..9227bb0b0c55 100644 --- a/drivers/gpu/drm/i915/display/intel_alpm.c +++ b/drivers/gpu/drm/i915/display/intel_alpm.c @@ -5,6 +5,8 @@ #include +#include + #include "intel_alpm.h" #include "intel_crtc.h" #include "intel_de.h" @@ -353,8 +355,10 @@ static void lnl_alpm_configure(struct intel_dp *intel_dp, ALPM_CTL_EXTENDED_FAST_WAKE_TIME(intel_dp->alpm_parameters.fast_wake_lines); } - if (crtc_state->has_lobf) + if (crtc_state->has_lobf) { alpm_ctl |= ALPM_CTL_LOBF_ENABLE; + drm_dbg_kms(display->drm, "Link off between frames (LOBF) enabled\n"); + } alpm_ctl |= ALPM_CTL_ALPM_ENTRY_CHECK(intel_dp->alpm_parameters.check_entry_lines);