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Message-ID: <Z-RUEVrst6WWzDUa@intel.com>
Date: Wed, 26 Mar 2025 15:22:57 -0400
From: Rodrigo Vivi <rodrigo.vivi@...el.com>
To: Alexander Usyskin <alexander.usyskin@...el.com>
CC: Miquel Raynal <miquel.raynal@...tlin.com>, Richard Weinberger
<richard@....at>, Vignesh Raghavendra <vigneshr@...com>, Lucas De Marchi
<lucas.demarchi@...el.com>, Thomas Hellström
<thomas.hellstrom@...ux.intel.com>, Maarten Lankhorst
<maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>,
Simona Vetter <simona@...ll.ch>, Jani Nikula <jani.nikula@...ux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>, Tvrtko Ursulin
<tursulin@...ulin.net>, Karthik Poosa <karthik.poosa@...el.com>, "Reuven
Abliyev" <reuven.abliyev@...el.com>, Oren Weil <oren.jer.weil@...el.com>,
<linux-mtd@...ts.infradead.org>, <dri-devel@...ts.freedesktop.org>,
<intel-gfx@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 00/12] mtd: add driver for Intel discrete graphics
On Wed, Mar 26, 2025 at 05:26:11PM +0200, Alexander Usyskin wrote:
> 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
There are 2 things that I should had noticed earlier and mentioned to you.
I'm sorry for forgetting that.
1. Rebase on drm-tip branch of this repo: https://gitlab.freedesktop.org/drm/tip
We merge to drm-xe-next, but development and CI happens on drm-tip.
2. Please also send to intel-xe@...ts.freedesktop.org Xe CI only runs on that
mailing list. intel-gfx is for i915.
No need to rebase or resend right now. Let's wait for a few reviews,
then we rebase and resend.
Thanks,
Rodrigo.
>
> 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
>
> --
> 2.43.0
>
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