From patchwork Mon Feb 24 08:08:47 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Manna, Animesh" X-Patchwork-Id: 13988141 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 ABE69C021A4 for ; Mon, 24 Feb 2025 13:44:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EDBEA10E558; Mon, 24 Feb 2025 13:42:20 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ktxvPe6a"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id CF91810E16F; Mon, 24 Feb 2025 08:31:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1740385874; x=1771921874; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=UlkRCrN9IheONt4pYGPJHfBHAYUBqH9VFTpklJkAb7c=; b=ktxvPe6asSDQg3JU/NVwIHWQPAUtEsIGJbOKyOc15Q2JgD502f2w/7pp sbC2xLeNQvSQOAib3ALxHAB16hV91KCn3K0bKIySa6XYsOncZDTP/3ByJ CxAS3jxh6244U7HFdwTCVfJnLGHwbc36sKs9r8yu+x+xuO0W0uVNZDs75 qewqsv+HQltX0jKgqK1GsShOryAwMVLewYvWlCJb6lcS55H+drtFk6xdi AhAOrGoOqRLjLcWiGXC7wps/yaP8nVVBC5s8VO0jLNhptMdPuFp2XK7Uu /r3xtokbLiu222t4Qoi0VvWC00vGVmqmCZeSKFcETBr19qfirXzhn0DIH A==; X-CSE-ConnectionGUID: iPv+K4gnRTiWioYamHnrlw== X-CSE-MsgGUID: Od/NKM/OQI6DwzD1RYHTZg== X-IronPort-AV: E=McAfee;i="6700,10204,11354"; a="41250289" X-IronPort-AV: E=Sophos;i="6.13,309,1732608000"; d="scan'208";a="41250289" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Feb 2025 00:31:14 -0800 X-CSE-ConnectionGUID: 91NGtzrGQZ+z7wz1NcLQyw== X-CSE-MsgGUID: IpnHmNEDTjmXJpd0hjkGPQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,309,1732608000"; d="scan'208";a="116630834" Received: from srr4-3-linux-101-amanna.iind.intel.com ([10.223.74.76]) by fmviesa009.fm.intel.com with ESMTP; 24 Feb 2025 00:31:12 -0800 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 v4 8/8] drm/i915/lobf: Add debug print for LOBF Date: Mon, 24 Feb 2025 13:38:47 +0530 Message-Id: <20250224080847.326350-9-animesh.manna@intel.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20250224080847.326350-1-animesh.manna@intel.com> References: <20250224080847.326350-1-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 --- drivers/gpu/drm/i915/display/intel_alpm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c b/drivers/gpu/drm/i915/display/intel_alpm.c index 5f8c1ec5e21c..cbcee0599e9d 100644 --- a/drivers/gpu/drm/i915/display/intel_alpm.c +++ b/drivers/gpu/drm/i915/display/intel_alpm.c @@ -385,8 +385,10 @@ 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);