[PATCH v4 0/4] drm/xe/gsc: add initial gsc support

From: Alexander Usyskin
Date: Wed Sep 20 2023 - 05:46:16 EST


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.

V4: no-change rebase over updated drm-xe-next to fix FTBFS

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@xxxxxxxxx>

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

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2.34.1