linux-kernel - [PATCH v3 0/4] drm/xe/gsc: add initial gsc support

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Date:   Wed, 20 Sep 2023 12:19:19 +0300
From:   Alexander Usyskin <alexander.usyskin@...el.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Lucas De Marchi <lucas.demarchi@...el.com>,
        Daniele Ceraolo Spurio <daniele.ceraolospurio@...el.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>
Cc:     Tomas Winkler <tomas.winkler@...el.com>,
        Alexander Usyskin <alexander.usyskin@...el.com>,
        Vitaly Lubart <vitaly.lubart@...el.com>,
        intel-xe@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 0/4] drm/xe/gsc: add initial gsc support

Add initial GSC support for DG1 and DG2.
Create mei-gscfi auxiliary device and add
support for device created by Xe to the mei-gsc driver.

This series intended to be merged into Xe tree,
the only patch that touches char-misc is addition
of id and alias in mei-gsc.

V3: Review comments addressed:
    - xe_heci_gsc_init mover earlier
    - part of init flow moved to dedicated functions
    - KDoc fix

V2: Added heci_ to struct and APIs
    heci_gsc moved under xe_device as GSC is not under GT

Signed-off-by: Alexander Usyskin <alexander.usyskin@...el.com>

Vitaly Lubart (4):
  drm/xe/gsc: add HECI2 register offsets
  drm/xe/gsc: add has_heci_gscfi indication to device
  drm/xe/gsc: add gsc device support
  mei: gsc: add support for auxiliary device created by Xe driver

 drivers/gpu/drm/xe/Kconfig           |   1 +
 drivers/gpu/drm/xe/Makefile          |   1 +
 drivers/gpu/drm/xe/regs/xe_regs.h    |   4 +
 drivers/gpu/drm/xe/xe_device.c       |   4 +
 drivers/gpu/drm/xe/xe_device_types.h |   7 +
 drivers/gpu/drm/xe/xe_heci_gsc.c     | 222 +++++++++++++++++++++++++++
 drivers/gpu/drm/xe/xe_heci_gsc.h     |  35 +++++
 drivers/gpu/drm/xe/xe_irq.c          |  21 ++-
 drivers/gpu/drm/xe/xe_pci.c          |   9 +-
 drivers/misc/mei/gsc-me.c            |   5 +
 10 files changed, 302 insertions(+), 7 deletions(-)
 create mode 100644 drivers/gpu/drm/xe/xe_heci_gsc.c
 create mode 100644 drivers/gpu/drm/xe/xe_heci_gsc.h

-- 
2.34.1