[PATCH 0/9] Introducing firmware late binding
Rodrigo Vivi
rodrigo.vivi at intel.com
Thu Jul 10 15:08:31 UTC 2025
Introducing firmware late binding feature to enable firmware loading
for the devices, such as the fan controller and voltage regulator,
during the driver probe.
Typically, firmware for these devices are part of IFWI flash image but
can be replaced at probe after OEM tuning.
This version (v8?): I'm covering for Badal's vacation since I'd like
to take this as soon as possible to drm-xe-next.
The changes in this version are mostly to address the valid Greg's
concerns on the mei patches. In summary:
- Proper commit messages
- 'Late Binding' documentation and explanation
- Proper code documentation, fixing word and style
- Bring consistency to the prefixes and naming
Previous revision history from Badal:
https://lore.kernel.org/intel-xe/20250707191237.1782824-1-badal.nilawar@intel.com
Thanks,
Rodrigo.
Alexander Usyskin (2):
mei: bus: add mei_cldev_mtu interface
mei: late_bind: add late binding component driver
Badal Nilawar (7):
drm/xe/xe_late_bind_fw: Introducing xe_late_bind_fw
drm/xe/xe_late_bind_fw: Initialize late binding firmware
drm/xe/xe_late_bind_fw: Load late binding firmware
drm/xe/xe_late_bind_fw: Reload late binding fw in rpm resume
drm/xe/xe_late_bind_fw: Reload late binding fw during system resume
drm/xe/xe_late_bind_fw: Introduce debug fs node to disable late
binding
drm/xe/xe_late_bind_fw: Extract and print version info
drivers/gpu/drm/xe/Makefile | 1 +
drivers/gpu/drm/xe/xe_debugfs.c | 41 ++
drivers/gpu/drm/xe/xe_device.c | 5 +
drivers/gpu/drm/xe/xe_device_types.h | 6 +
drivers/gpu/drm/xe/xe_late_bind_fw.c | 464 +++++++++++++++++++++
drivers/gpu/drm/xe/xe_late_bind_fw.h | 17 +
drivers/gpu/drm/xe/xe_late_bind_fw_types.h | 75 ++++
drivers/gpu/drm/xe/xe_pci.c | 2 +
drivers/gpu/drm/xe/xe_pci_types.h | 1 +
drivers/gpu/drm/xe/xe_pm.c | 8 +
drivers/gpu/drm/xe/xe_uc_fw_abi.h | 66 +++
drivers/misc/mei/Kconfig | 13 +
drivers/misc/mei/Makefile | 1 +
drivers/misc/mei/bus.c | 13 +
drivers/misc/mei/mei_lb.c | 315 ++++++++++++++
include/drm/intel/i915_component.h | 1 +
include/drm/intel/intel_lb_mei_interface.h | 70 ++++
include/linux/mei_cl_bus.h | 1 +
18 files changed, 1100 insertions(+)
create mode 100644 drivers/gpu/drm/xe/xe_late_bind_fw.c
create mode 100644 drivers/gpu/drm/xe/xe_late_bind_fw.h
create mode 100644 drivers/gpu/drm/xe/xe_late_bind_fw_types.h
create mode 100644 drivers/misc/mei/mei_lb.c
create mode 100644 include/drm/intel/intel_lb_mei_interface.h
--
2.49.0
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