From patchwork Fri Mar 8 11:00:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Hogander, Jouni" X-Patchwork-Id: 13586667 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 F1EFCC5475B for ; Fri, 8 Mar 2024 11:01:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 715741122CB; Fri, 8 Mar 2024 11:01:01 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="eLbnh6ab"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 491BF1122CB for ; Fri, 8 Mar 2024 11:01:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709895660; x=1741431660; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=eyVaBln9Ajg+ZlXoNwFCGdrLq1NN65S8ifNjYxhEaLU=; b=eLbnh6abSKySnODEl1phMJRw8h3lALJ0hpMP5Dv7dYXt3wCNjfJHYttJ PUIlhLdqadF9LsJVP0htopJMm77jn292aiwEE2h3tIntBi9mDgLcw0uQz c6bBx7IRCIejTyFahEF5IyoI1lxi8PuKdkSWIdqiiE7kDi/Qc68CMJsUq TE/85eySQSZk05t44C9kyN/7mMMQefH5++ym1hf0joLX7BsmtZlIelp5v QNdkvQi4ASGROIFFk0z3661M/4/5gHB6KNqRTCUWl80atGOo7KG8z2ekj x5h3aKtRc/2r6Ly5YX9aoyS4jVTfg85PPrFFbu+VFcrG13nRbvxO0ToDR A==; X-IronPort-AV: E=McAfee;i="6600,9927,11006"; a="4480305" X-IronPort-AV: E=Sophos;i="6.07,109,1708416000"; d="scan'208";a="4480305" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2024 03:00:59 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,109,1708416000"; d="scan'208";a="15130026" Received: from mkupniew-mobl.ger.corp.intel.com (HELO jhogande-mobl1.intel.com) ([10.251.208.210]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Mar 2024 03:00:57 -0800 From: =?utf-8?q?Jouni_H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org Cc: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , Jani Nikula , =?utf-8?q?Jouni_H=C3=B6gander?= Subject: [PATCH v5 0/5] IO and fast wake lines calculation and increase fw sync length Date: Fri, 8 Mar 2024 13:00:34 +0200 Message-Id: <20240308110039.3900838-1-jouni.hogander@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo 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" This patch set is improving IO and fast wake lines calculation in PSR code: Use actual fast wake sync pulse count in calculation Implement getter for IO buffer wake times and use that. Better presentation on how these are calculated. Use calculation for display version < 12 as well. Also number of precharge pulses is increased by 2 pulses to fix problems with certain panel models. v5: - s/get_io_buffer_wake_time/io_buffer_wake_time/ and use it directly in calculation - do not handle < 9 separately - add own helpers for skl, tgl and lnl io buffer wake times v4: - initialize io/fast_wake_time for display version < 9 v3: - keep using int in intel_dp_aux_fw_sync_len v2: - do not add function pointer - rename io_wake_time in if block to io_buffer_wake_time - rename get_io_wake_time to get_io_buffer_wake_time - use calculation for display version < 12 as well - split LunarLake IO buffer wake times as a separate patch Jouni Högander (5): drm/i915/display: Make intel_dp_aux_fw_sync_len available for PSR code drm/i915/psr: Improve fast and IO wake lines calculation drm/i915/psr: Calculate IO wake and fast wake lines for DISPLAY_VER < 12 drm/i915/psr: Add IO buffer wake times for LunarLake and beyond drm/i915/display: Increase number of fast wake precharge pulses drivers/gpu/drm/i915/display/intel_dp_aux.c | 4 +- drivers/gpu/drm/i915/display/intel_dp_aux.h | 1 + drivers/gpu/drm/i915/display/intel_psr.c | 58 +++++++++++++++++---- 3 files changed, 50 insertions(+), 13 deletions(-)