From mboxrd@z Thu Jan 1 00:00:00 1970 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 1E50CC2D0CD for ; Thu, 15 May 2025 13:48:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 444C110E886; Thu, 15 May 2025 13:48:00 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="JM3iooF4"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 411CE10E884; Thu, 15 May 2025 13:47:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747316880; x=1778852880; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=xYiG/cEswunZe121Mj9FBLZmYoON8ShYs7eKpT5Jb7k=; b=JM3iooF4a18cKptdTq7/BqV/19NE4UEM5+cQM9Sm8PHcRpJ7KJ6Hfqv3 dQy/Us6RuA3ybRJmmAaAWVU6kZ9DIcYNVadsEotQCCSho4OruXAwML2wL l9QozUPvxhHaKm/v85nzapPPibxaQx3Ondlmi/PYwrDXZk4uc9xyZ39dN B1XIQFRKQTjdQw97QCVNWXhq6aLV3WZ50t7oqwn3D4z0/WwqJFHuly9Gm 1p6eT6o1P8BuMusbNkW3btPq/+6beWQpbx9z1hYq93BhTuOZe2N8s4WFd fTiDqB69Ns/zAcEFwC8ZAeNRIv55hzG7d/scNrUPQLTBz34iQmI4x+euS Q==; X-CSE-ConnectionGUID: 1bSjTQctTPueO0irn4sHDw== X-CSE-MsgGUID: EjXWJk6KSOqdN+JYHQi8uQ== X-IronPort-AV: E=McAfee;i="6700,10204,11434"; a="66660596" X-IronPort-AV: E=Sophos;i="6.15,291,1739865600"; d="scan'208";a="66660596" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 May 2025 06:47:48 -0700 X-CSE-ConnectionGUID: 119K+P7uTLSl5fIupTbXWQ== X-CSE-MsgGUID: zdRhAbILTzKMSx+STHJVhg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,291,1739865600"; d="scan'208";a="138428293" Received: from sannilnx-dsk.jer.intel.com ([10.12.231.107]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 May 2025 06:47:41 -0700 From: Alexander Usyskin To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Lucas De Marchi , =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= , Rodrigo Vivi , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jani Nikula , Joonas Lahtinen , Tvrtko Ursulin , Karthik Poosa , Raag Jadav Cc: Reuven Abliyev , Oren Weil , linux-mtd@lists.infradead.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, Alexander Usyskin Subject: [PATCH v10 00/10] mtd: add driver for Intel discrete graphics Date: Thu, 15 May 2025 16:33:35 +0300 Message-ID: <20250515133345.2805031-1-alexander.usyskin@intel.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" 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 V8: Create separate partition device under master device, if requested and configure parent of usual partitions to this partition. Rebase over drm-tip. V9: Fix checkpatch warning on non-posted erase patch. Add Rodrigo's review and ack. V10: Drop master device creation patch as it now in mtd-next. Drop power-management patch, it will be merged lately after master device patch is propagated. Rebase over drm-tip. Alexander Usyskin (9): 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 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 Reuven Abliyev (1): drm/xe/nvm: add support for non-posted erase 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 | 832 ++++++++++++++++++++++++++ include/linux/intel_dg_nvm_aux.h | 31 + 19 files changed, 1225 insertions(+), 4 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 -- 2.43.0