From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E4D5B221DA8 for ; Mon, 7 Jul 2025 19:08:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751915299; cv=none; b=uw1125NjdgCGyhaW9JMBgjHdnerIu8t4cvneLN747oLpSmGL58F9UKb4t1yFOXcU7O1SllWkpvjW9RR5YLoZz4wx/msfitr3Sv7hboGakPZJVm27f/WVviKuW8QbSb7grkikrajjewOCkjx7U+96R9nsReguQzJ+c7K3yAgoFDI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751915299; c=relaxed/simple; bh=c2YSEl9vpj0ifOWacuvN26c2JZ5CqpHX/3EngJUDEFk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=EtOUz6A9lY5fguBfr9B86pfcnR0A4G74miowKfTeX94VP29sLK2QKrFUou8qmiOWc/X3T8E56UJTKTTXn1o6pvMTqAiLb/Rjh5dgAQnx3z+2xKiPc4WMm9rqmHMvACUfrdr/IW1IjofOzV4x7WHiP6YkRjL47JXvMhkj98nvIJs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=H8G0pTWS; arc=none smtp.client-ip=192.198.163.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="H8G0pTWS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1751915298; x=1783451298; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=c2YSEl9vpj0ifOWacuvN26c2JZ5CqpHX/3EngJUDEFk=; b=H8G0pTWShrpOPDmYkCV6eYSGHesUHsNXs6Xo6OPuG2k9hqP8wVIF/RYo by2UIhhFKD9zIEpj8udYJ6J4ddHQD26QhKzsR5YGMcjRbOVlmmP6uTvy6 l/ePyxCmgLjiK/lwwtJ1LiSkIsGsFmbF7+4Qur/i9ljtti+hO8itONwZ5 Ldkjfn5CFNwSwui83keIwWfCxZc76VHTCh0TvWmZaAhIXoB7WCo0bLRV9 Y4CVxtjqjei+vPbPlUAP7leVYNIctozg8ob19UpAofzXLAi5SnFWHLUQp fa3652tIXSL7py1aDSU3jRjBy3qvx/csmoeysmhu++Q+CDDj5OweVe9ZS g==; X-CSE-ConnectionGUID: a10k7r1oTqC8k6xXag6Irw== X-CSE-MsgGUID: cRXiJrCURpaduYGZ1+va4A== X-IronPort-AV: E=McAfee;i="6800,10657,11487"; a="57945659" X-IronPort-AV: E=Sophos;i="6.16,295,1744095600"; d="scan'208";a="57945659" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jul 2025 12:08:17 -0700 X-CSE-ConnectionGUID: /UdWRQuIRNiJ/blY2CBWHQ== X-CSE-MsgGUID: CVpw7KzwSq6txjP5igm8sw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,295,1744095600"; d="scan'208";a="154707401" Received: from unknown (HELO bnilawar-desk2.iind.intel.com) ([10.190.239.41]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jul 2025 12:08:13 -0700 From: Badal Nilawar To: intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: anshuman.gupta@intel.com, rodrigo.vivi@intel.com, alexander.usyskin@intel.com, gregkh@linuxfoundation.org, daniele.ceraolospurio@intel.com Subject: [PATCH v7 0/9] Introducing firmware late binding Date: Tue, 8 Jul 2025 00:42:28 +0530 Message-Id: <20250707191237.1782824-1-badal.nilawar@intel.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Introducing firmware late binding feature to enable firmware loading for the devices, such as the fan controller and voltage regulator, during the driver probe. Typically, firmware for these devices are part of IFWI flash image but can be replaced at probe after OEM tuning. v2: - Dropped voltage regulator specific code as binaries for it will not be available for upstreaming as of now. - Address review comments v3: - Dropped fwctl patch for now - Added new patch to extract binary version - Address v2 review comments v4: - Address v3 review comments v5: xe_kmd: - Dropped mutex is worker flush in unbind blocking component removal while fw download is in progress - Handled the fw load in all 3 scenarios (probe, system resume, rpm resume) by holding rpm wake ref in outer bounds of worker. mei: - Most of the review comments v6: - rebased - Disabled fw load upon error v7: xe_kmd: - resolved kernel doc warnings mei: - Address v6 review comments (greg kh) - Dropped patch 10 Alexander Usyskin (2): mei: bus: add mei_cldev_mtu interface mei: late_bind: add late binding component driver Badal Nilawar (7): drm/xe/xe_late_bind_fw: Introducing xe_late_bind_fw drm/xe/xe_late_bind_fw: Initialize late binding firmware drm/xe/xe_late_bind_fw: Load late binding firmware drm/xe/xe_late_bind_fw: Reload late binding fw in rpm resume drm/xe/xe_late_bind_fw: Reload late binding fw during system resume drm/xe/xe_late_bind_fw: Introduce debug fs node to disable late binding drm/xe/xe_late_bind_fw: Extract and print version info drivers/gpu/drm/xe/Makefile | 1 + drivers/gpu/drm/xe/xe_debugfs.c | 41 ++ drivers/gpu/drm/xe/xe_device.c | 5 + drivers/gpu/drm/xe/xe_device_types.h | 6 + drivers/gpu/drm/xe/xe_late_bind_fw.c | 462 ++++++++++++++++++++ drivers/gpu/drm/xe/xe_late_bind_fw.h | 17 + drivers/gpu/drm/xe/xe_late_bind_fw_types.h | 75 ++++ drivers/gpu/drm/xe/xe_pci.c | 2 + drivers/gpu/drm/xe/xe_pci_types.h | 1 + drivers/gpu/drm/xe/xe_pm.c | 8 + drivers/gpu/drm/xe/xe_uc_fw_abi.h | 66 +++ drivers/misc/mei/Kconfig | 11 + drivers/misc/mei/Makefile | 1 + drivers/misc/mei/bus.c | 13 + drivers/misc/mei/mei_late_bind.c | 271 ++++++++++++ include/drm/intel/i915_component.h | 1 + include/drm/intel/late_bind_mei_interface.h | 62 +++ include/linux/mei_cl_bus.h | 1 + 18 files changed, 1044 insertions(+) create mode 100644 drivers/gpu/drm/xe/xe_late_bind_fw.c create mode 100644 drivers/gpu/drm/xe/xe_late_bind_fw.h create mode 100644 drivers/gpu/drm/xe/xe_late_bind_fw_types.h create mode 100644 drivers/misc/mei/mei_late_bind.c create mode 100644 include/drm/intel/late_bind_mei_interface.h -- 2.34.1