From patchwork Thu May 9 05:31:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Manna, Animesh" X-Patchwork-Id: 13659459 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 7A520C10F1A for ; Thu, 9 May 2024 05:47:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BD04110E13E; Thu, 9 May 2024 05:47:51 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ZRPHCXOg"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) by gabe.freedesktop.org (Postfix) with ESMTPS id B834E10E13E; Thu, 9 May 2024 05:47:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1715233671; x=1746769671; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=z0ofP8b8xVz/hcwjIWxDId0pRjehukJynCHU5at7sCI=; b=ZRPHCXOgoXjOrhaJDpYh6JXZ+cAmhevpXe0MhFp7cWrJADj5LHE3RcfR gQCb3QK0DYAZtsyBFJU3Ophmp9XNhR6XEmgqwyzR3cyLCkBY+AlEq0d37 VMCdKx2PcIqc8JiD3xdOQwOqNbNDMHXSueSBzxeOa30VBXzPnXxAb7QiV qSMv2hFjJjp6istoIfW6wwtpkLvcXkauBZTeK5yrjs0uljTlT0lRr1AWS a2OB2rIo4YcWtQDGYbu/J1jBK8J+BVXdXL9JGt/VlTYeD2U/v4iJsmoGJ j/7K93sFrsGJR9fmBDiQdtwZXRVzd0LPwbnMk07RSMQ7s90ZcJhGCPC0M w==; X-CSE-ConnectionGUID: nOpP09r4T5OSRO3tzvGB3g== X-CSE-MsgGUID: SAYov37tQamUCARVipr8Ng== X-IronPort-AV: E=McAfee;i="6600,9927,11067"; a="28645984" X-IronPort-AV: E=Sophos;i="6.08,146,1712646000"; d="scan'208";a="28645984" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2024 22:47:50 -0700 X-CSE-ConnectionGUID: /jOmStZkSeS+6Wm9yAhMww== X-CSE-MsgGUID: JUxgSwPjS2iZCwG2lBS0wQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,146,1712646000"; d="scan'208";a="33817619" Received: from srr4-3-linux-101-amanna.iind.intel.com ([10.223.74.76]) by orviesa003.jf.intel.com with ESMTP; 08 May 2024 22:47:48 -0700 From: Animesh Manna To: intel-gfx@lists.freedesktop.org Cc: dri-devel@lists.freedesktop.org, jani.nikula@intel.com, jouni.hogander@intel.com, arun.r.murthy@intel.com, Animesh Manna Subject: [PATCH v4 0/6] Link off between frames for edp Date: Thu, 9 May 2024 11:01:49 +0530 Message-Id: <20240509053155.327071-1-animesh.manna@intel.com> X-Mailer: git-send-email 2.29.0 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Link Off Between Active Frames (LOBF) allows an eDP link to be turned Off and On durning long VBLANK durations without enabling any of the PSR/PSR2/PR modes of operation. Bspec: 71477 Note: Lobf need to be enabled adaptive sync fixed refresh mode where vmin = vmax = flipline, which will arise after cmmr feature enablement. Currently existing code refactored and make compute-config() and enabling function ready. Will add enabling sequence in a separate patch. Signed-off-by: Animesh Manna Animesh Manna (5): drm/i915/alpm: Move alpm parameters from intel_psr drm/i915/alpm: Move alpm related code to a new file drm/i915/alpm: Add compute config for lobf drm/i915/alpm: Enable lobf from source in ALPM_CTL drm/i915/alpm: Add debugfs for LOBF Jouni Högander (1): drm/display: Add missing aux less alpm wake related bits drivers/gpu/drm/i915/Makefile | 1 + drivers/gpu/drm/i915/display/intel_alpm.c | 405 ++++++++++++++++++ drivers/gpu/drm/i915/display/intel_alpm.h | 25 ++ .../drm/i915/display/intel_display_debugfs.c | 2 + .../drm/i915/display/intel_display_types.h | 32 +- drivers/gpu/drm/i915/display/intel_dp.c | 4 + drivers/gpu/drm/i915/display/intel_psr.c | 301 +------------ drivers/gpu/drm/xe/Makefile | 1 + include/drm/display/drm_dp.h | 5 +- 9 files changed, 475 insertions(+), 301 deletions(-) create mode 100644 drivers/gpu/drm/i915/display/intel_alpm.c create mode 100644 drivers/gpu/drm/i915/display/intel_alpm.h