From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 C26421EFF81 for ; Wed, 2 Jul 2025 16:47:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751474878; cv=none; b=JMNy2WrB8nFqiGWzcqfWztBoD/rKaTzXjk3kOu6Rkcv0DXj7180O16ZmUjsxhtfFrAkPLkkRG0eC7cNc8LoAn1d7v/nNG8aQrLM3wR3NTq85k0HENdjaznHiVd5y0Bu+BHAE8b8QHdhjIzyoGy8nTRKDGOGvZaA11Z/pXIE8DlM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751474878; c=relaxed/simple; bh=bJ/kR0mO6yP1Fm6QjMsMwfrHw2ayxOxCh+oR/JaHtAg=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=t9gnUJxTa+0djL0YUmwgBhSvioVtMiYbvkdbVDAKYl3fc1JkWJJC+uZZGoQjbffuNGOhJtiAhTByOAmPFekxN+eqQA1uSFcxu3bl0wG0aCYpR/U0Q1McZVOR7jmKuQ+LWdUGWCeyE7SH2R1SLc+ieH+kGwb+cuG0FGAJf2VoqE8= 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=gdPr058V; arc=none smtp.client-ip=192.198.163.11 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="gdPr058V" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1751474877; x=1783010877; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=bJ/kR0mO6yP1Fm6QjMsMwfrHw2ayxOxCh+oR/JaHtAg=; b=gdPr058VyaPSKUoCVIm/OWwWzV8AdlJU/3aG9AM6tjqB526j5732IqOx QTtO4TqcciN2/9mvpQw3uOyFKnm0EJ5J/37Xb3tHXiLQjGi37YS8vX/Ux ugoEWhpkFD9/Fpeclq3WgaJ8B2av2NwV52QaD8XeAnjCCs6aAgIvgVrLL huTGwIiTE/doGB73Gy3pSjR5yX9VVPQcldrIBwJBWCNUGvN0dQjQ3BhH2 oYUja8hhDEEEDbZDzBBF8lL7ro7UnJpCbhl8jcJF0R/rwxsp9RSqFTAtd oeue9gpxktxhcku4tB+RXqY23KYrdSREYwDtZG3l6Of/IhrYEry2neTfm w==; X-CSE-ConnectionGUID: qVZO1D7qQ9OsecdmPYD1ng== X-CSE-MsgGUID: x04FGFhfSae76+dOjTbItw== X-IronPort-AV: E=McAfee;i="6800,10657,11482"; a="64380734" X-IronPort-AV: E=Sophos;i="6.16,281,1744095600"; d="scan'208";a="64380734" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Jul 2025 09:47:55 -0700 X-CSE-ConnectionGUID: /Rwme+E6Tx+TW0jmpdo/qQ== X-CSE-MsgGUID: 5nx2uR9uRJ++d9783IMXDQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,281,1744095600"; d="scan'208";a="153535576" 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; 02 Jul 2025 09:47:53 -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 v5 00/10] Introducing firmware late binding Date: Wed, 2 Jul 2025 22:22:06 +0530 Message-Id: <20250702165216.557074-1-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 Alexander Usyskin (2): mei: bus: add mei_cldev_mtu interface mei: late_bind: add late binding component driver Badal Nilawar (8): 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 drm/xe/xe_late_bind_fw: Select INTEL_MEI_LATE_BIND for CI drivers/gpu/drm/xe/Kconfig | 1 + 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 | 454 ++++++++++++++++++++ drivers/gpu/drm/xe/xe_late_bind_fw.h | 17 + drivers/gpu/drm/xe/xe_late_bind_fw_types.h | 77 ++++ drivers/gpu/drm/xe/xe_pci.c | 3 + drivers/gpu/drm/xe/xe_pm.c | 8 + drivers/gpu/drm/xe/xe_uc_fw_abi.h | 66 +++ drivers/misc/mei/Kconfig | 1 + drivers/misc/mei/Makefile | 1 + drivers/misc/mei/bus.c | 13 + drivers/misc/mei/late_bind/Kconfig | 13 + drivers/misc/mei/late_bind/Makefile | 9 + drivers/misc/mei/late_bind/mei_late_bind.c | 272 ++++++++++++ include/drm/intel/i915_component.h | 1 + include/drm/intel/late_bind_mei_interface.h | 64 +++ include/linux/mei_cl_bus.h | 1 + 20 files changed, 1054 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/late_bind/Kconfig create mode 100644 drivers/misc/mei/late_bind/Makefile create mode 100644 drivers/misc/mei/late_bind/mei_late_bind.c create mode 100644 include/drm/intel/late_bind_mei_interface.h -- 2.34.1