From patchwork Wed Mar 26 15:26:11 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Usyskin X-Patchwork-Id: 14030204 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 97E55C3600C for ; Wed, 26 Mar 2025 15:37:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EB08110E702; Wed, 26 Mar 2025 15:37:16 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="fGOJw8BP"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 40AA010E701; Wed, 26 Mar 2025 15:37:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1743003436; x=1774539436; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=etz60a6MvWygM3PUJqxrf9Ighj+E4OBlFZOKYs0hJ/k=; b=fGOJw8BP2iavmptqqMv6qETpPv6HVkb9r+ZfH6VLkI68543nYKkTbRL3 IEPDP4Zds3dwfG2A2BRgwQYTdMTuEgEZLr/C4Dtes2wWdXB6P/qPJwjOl Y8bvgXLpmMKGL0DQVG0HG5BYQRlTBizLQfsUP/fk6K5dzUfbLWuWJxXKm +Nv/L4XGn1sT1wjbioB17tPptvD3BnefUTEYD2cnhNu2b5kJnFWEuU28d bTukLcMIT2A3L2m99f3+j6Q40gTYmVzm8xLTMFglf2BFOzF/1HqeJQMQm 2fdOgF5pf6xJV2vuM72II2z0IcRguZlgXb5zg1fDiT55NIduFFoNjMY5P g==; X-CSE-ConnectionGUID: v6xE6ER8RV+LfMh8on1MSw== X-CSE-MsgGUID: l36yLLKHR9am35YLz8o08Q== X-IronPort-AV: E=McAfee;i="6700,10204,11385"; a="55665414" X-IronPort-AV: E=Sophos;i="6.14,278,1736841600"; d="scan'208";a="55665414" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2025 08:37:15 -0700 X-CSE-ConnectionGUID: r2ZP/49wQz6sR25R0u4h7w== X-CSE-MsgGUID: Rvn45KkhT3iChDS164wt0Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,278,1736841600"; d="scan'208";a="129923374" Received: from sannilnx-dsk.jer.intel.com ([10.12.231.107]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2025 08:37:09 -0700 From: Alexander Usyskin To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Lucas De Marchi , =?utf-8?q?Thomas_Hellstr=C3=B6m?= , Rodrigo Vivi , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jani Nikula , Joonas Lahtinen , Tvrtko Ursulin , Karthik Poosa Cc: Reuven Abliyev , Oren Weil , linux-mtd@lists.infradead.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, Alexander Usyskin Subject: [PATCH v7 00/12] mtd: add driver for Intel discrete graphics Date: Wed, 26 Mar 2025 17:26:11 +0200 Message-ID: <20250326152623.3897204-1-alexander.usyskin@intel.com> X-Mailer: git-send-email 2.43.0 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" Add driver for access to Intel discrete graphics card internal NVM device. Expose device on auxiliary bus by i915 and Xe drivers and provide mtd driver to register this device with MTD framework. This is a rewrite of "drm/i915/spi: spi access for discrete graphics" and "spi: add driver for Intel discrete graphics" series with connection to the Xe driver and splitting the spi driver part to separate module in mtd subsystem. This series intended to be pushed through drm-xe-next. V2: Replace dev_* prints with drm_* prints in drm (xe and i915) patches. Enable NVM device on Battlemage HW (xe driver patch) Fix overwrite register address (xe driver patch) Add Rodrigo's r-b V3: Use devm_pm_runtime_enable to simplify flow. Drop print in i915 unload that was accidentally set as error. Drop HAS_GSC_NVM macro in line with latest Xe changes. Add more Rodrigo's r-b and Miquel's ack. V4: Add patch that always creates mtd master device and adjust mtd-intel-dg power management to use this device. V5: Fix master device creation to accomodate for devices without partitions (create partitoned master in this case) Rebase over latest drm-xe-next Add ack's V6: Fix master device release (use rigth idr in release) Rebase over latest drm-xe-next Grammar and style fixes V7: Add patch with non-posted erase support (fix hang on BMG) Rebase over latest drm-xe-next Abliyev, Reuven (1): drm/xe/nvm: add support for non-posted erase Alexander Usyskin (11): mtd: core: always create master device mtd: add driver for intel graphics non-volatile memory device mtd: intel-dg: implement region enumeration mtd: intel-dg: implement access functions mtd: intel-dg: register with mtd mtd: intel-dg: align 64bit read and write mtd: intel-dg: wake card on operations drm/i915/nvm: add nvm device for discrete graphics drm/i915/nvm: add support for access mode drm/xe/nvm: add on-die non-volatile memory device drm/xe/nvm: add support for access mode MAINTAINERS | 7 + drivers/gpu/drm/i915/Makefile | 4 + drivers/gpu/drm/i915/i915_driver.c | 6 + drivers/gpu/drm/i915/i915_drv.h | 3 + drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_nvm.c | 115 ++++ drivers/gpu/drm/i915/intel_nvm.h | 15 + drivers/gpu/drm/xe/Makefile | 1 + drivers/gpu/drm/xe/regs/xe_gsc_regs.h | 4 + drivers/gpu/drm/xe/xe_device.c | 5 + drivers/gpu/drm/xe/xe_device_types.h | 6 + drivers/gpu/drm/xe/xe_heci_gsc.c | 5 +- drivers/gpu/drm/xe/xe_nvm.c | 161 +++++ drivers/gpu/drm/xe/xe_nvm.h | 15 + drivers/gpu/drm/xe/xe_pci.c | 6 + drivers/mtd/devices/Kconfig | 11 + drivers/mtd/devices/Makefile | 1 + drivers/mtd/devices/mtd_intel_dg.c | 884 ++++++++++++++++++++++++++ drivers/mtd/mtdcore.c | 141 ++-- drivers/mtd/mtdcore.h | 2 +- drivers/mtd/mtdpart.c | 17 +- include/linux/intel_dg_nvm_aux.h | 29 + 22 files changed, 1385 insertions(+), 54 deletions(-) create mode 100644 drivers/gpu/drm/i915/intel_nvm.c create mode 100644 drivers/gpu/drm/i915/intel_nvm.h create mode 100644 drivers/gpu/drm/xe/xe_nvm.c create mode 100644 drivers/gpu/drm/xe/xe_nvm.h create mode 100644 drivers/mtd/devices/mtd_intel_dg.c create mode 100644 include/linux/intel_dg_nvm_aux.h