From mboxrd@z Thu Jan 1 00:00:00 1970 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 160C4E8B39C for ; Wed, 4 Feb 2026 05:18:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C14EA10E0A1; Wed, 4 Feb 2026 05:18:35 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="V1mA5OfT"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 53AB510E0A1; Wed, 4 Feb 2026 05:18:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770182314; x=1801718314; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=MBi1JAhXzFoAzvRq3X9c5JQLtLXfrNA2aOB+W/P3b6k=; b=V1mA5OfT7wOzt81QWSZibQs+xBOWhV5wBF4Scbq962WuKl/kFmNPvzmn qtgkyd36cKo0if22PhFHXQKb82ccubv7XAh1TClK4LZ4UbxTTwJYhlV3z aacAYGHO5n3d3nHO7jqB8i6hbX6fadV5qUNMn/PJPe4MYWVDfFhoqkVpa aJByD4dwHSQNuaU3BZydC9jXhmY3Ellx5fOEhENNWs33utJoXOyJOqS01 E/jBgdTetnJ55GbpDvmtaFiFD0rPdZOAQJ+RQrX7nmN51uMGhrlUanca/ dbuYEQpmTgeR8B3BX7C7YPa6CL3MFHoDGfaZ/Ixj2AY748OncNPTSHPj+ Q==; X-CSE-ConnectionGUID: yYQaYi3rRui0PYuqNY7iKQ== X-CSE-MsgGUID: Ebn0QXXTQJG8yLWrHpox3Q== X-IronPort-AV: E=McAfee;i="6800,10657,11691"; a="82102817" X-IronPort-AV: E=Sophos;i="6.21,272,1763452800"; d="scan'208";a="82102817" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Feb 2026 21:18:34 -0800 X-CSE-ConnectionGUID: APMR2d+qRreukhL5+ObtuA== X-CSE-MsgGUID: EXELgwdKRxei0bTGRSzwgw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,272,1763452800"; d="scan'208";a="210127464" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Feb 2026 21:18:32 -0800 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: jouni.hogander@intel.com, ville.syrjala@linux.intel.com, animesh.manna@intel.com, michal.grzelak@intel.com, Ankit Nautiyal Subject: [RESEND 0/5] LOBF fixes Date: Wed, 4 Feb 2026 10:32:45 +0530 Message-ID: <20260204050250.762718-1-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.45.2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Fix lobf to use computed guardband and set context latency. Also disable LOBF while switching to LRR/seamlessMN modes. Rev2: - Use is_enabling/disabling macros for lobf checks and other suggested changes from Ville. Rev3: - Address comments from Michal. Rev4: - Address comments from Jouni. Rev5: - Rebase Ankit Nautiyal (5): drm/i915/alpm: Compute LOBF late after guardband is already determined drm/i915/alpm: Allow LOBF only if window1 > alpm check_entry lines drm/i915/alpm: Allow LOBF only for platform that have Always on VRR TG drm/i915/alpm: Simplify and align LOBF checks in pre/post plane update drm/i915/alpm: Disable LOBF around transitioning for LRR/seamless MN drivers/gpu/drm/i915/display/intel_alpm.c | 144 ++++++++++++------- drivers/gpu/drm/i915/display/intel_alpm.h | 9 +- drivers/gpu/drm/i915/display/intel_display.c | 29 +++- drivers/gpu/drm/i915/display/intel_dp.c | 2 + drivers/gpu/drm/i915/display/intel_vrr.c | 2 + 5 files changed, 129 insertions(+), 57 deletions(-) -- 2.45.2