From patchwork Wed Mar 6 10:45:07 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Jouni_H=C3=B6gander?= X-Patchwork-Id: 13583901 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 C9D04C5475B for ; Wed, 6 Mar 2024 10:45:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0C8BE11303C; Wed, 6 Mar 2024 10:45:28 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="G/hmEHMK"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 70E72112C7A for ; Wed, 6 Mar 2024 10:45:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709721926; x=1741257926; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=U/5OQzb+m/wFFKP8S1wjV+pfxqkHZMLW7U/rtxWbEYM=; b=G/hmEHMKyB47m0HicgyaA+odMhiZQeFu+kW/UN55afjMOk/bxN5hZ0vB 9zfSe3BQRtzkNn62StxroI+IKF/JwEGyt/trwK2wp9XvUslKNH5Xc57Gw 1K21wavsNOKpNMbeGqpzGybVGQ4TlSUB6HyHcbgpCnLAN5z/KQbjGqBnG tMZB/S3IU77i278rD2c3zm3Jm+6mb0C+QesUDNPlKvPnmG4Dij5LkPOHn LcDC/SioHMze5z7o7rKwGk6wPwB8Y22LHWXLIwODTrEuBYJ4t+dbwV8HL vQDgLlaFyZMdcTnbYLsD4Wg/bVxpfqNIqQtbo8l7/vSdYcriRmO1BuGNn A==; X-IronPort-AV: E=McAfee;i="6600,9927,11004"; a="26794715" X-IronPort-AV: E=Sophos;i="6.06,208,1705392000"; d="scan'208";a="26794715" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Mar 2024 02:45:26 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,208,1705392000"; d="scan'208";a="14206973" Received: from bdallmer-mobl1.ger.corp.intel.com (HELO jhogande-mobl1.intel.com) ([10.251.223.229]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Mar 2024 02:45:24 -0800 From: =?utf-8?q?Jouni_H=C3=B6gander?= To: intel-gfx@lists.freedesktop.org Cc: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , Animesh Manna , Arun R Murthy , =?utf-8?q?Jouni_H=C3=B6gander?= Subject: [PATCH v3 0/6] ALPM AUX-Less Date: Wed, 6 Mar 2024 12:45:07 +0200 Message-Id: <20240306104513.2129442-1-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 implementing calculation of ALPM AUX-Less parameters for Intel HW and writing them in case of AUX-Less is enabled. It is also enabling ALPM AUX-Less for eDP Panel Replay. Current code is not allowing Panel Replay on eDP. Patches for this are coming later. This implementation is only for Panel Replay usage. LOBF (Link Off Between Active Frames) usage needs more work. v3: - use definitions instead of numbers for max values - do not use alpm_ctl as uninitialized variable v2: - use variables instead of values directly - fix several max values - move converting port clock to Mhz into _lnl_compute_* - do not set AUX-Wake related bits for AUX-Less case - do not write ALPM configuration for DP2.0 Panel Replay or PSR1. Jouni Högander (6): drm/display: Add missing aux less alpm wake related bits drm/i915/psr: Add missing ALPM AUX-Less register definitions drm/i915/psr: Calculate aux less wake time drm/i915/psr: Silence period and lfps half cycle drm/i915/psr: Enable ALPM for eDP Panel replay drm/i915/psr: Do not write ALPM configuration for PSR1 or DP2.0 Panel Replay .../drm/i915/display/intel_display_types.h | 3 + drivers/gpu/drm/i915/display/intel_psr.c | 183 +++++++++++++++++- drivers/gpu/drm/i915/display/intel_psr_regs.h | 12 +- include/drm/display/drm_dp.h | 5 +- 4 files changed, 193 insertions(+), 10 deletions(-)