drm/xe/nvm: add on-die non-volatile memory device

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Enable access to internal non-volatile memory on DGFX
with GSC/CSC devices via a child device.
The nvm child device is exposed via auxiliary bus.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Link: https://lore.kernel.org/r/20250617145159.3803852-7-alexander.usyskin@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

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Alexander Usyskin 2025-06-17 17:51:56 +03:00 • committed by Rodrigo Vivi

parent 4b93f5fc3b

commit c28bfb107d

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6 changed files with 140 additions and 0 deletions

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1

drivers/gpu/drm/xe/Makefile

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5

drivers/gpu/drm/xe/xe_device.c

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6

drivers/gpu/drm/xe/xe_device_types.h

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107

drivers/gpu/drm/xe/xe_nvm.c

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15

drivers/gpu/drm/xe/xe_nvm.h

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6

drivers/gpu/drm/xe/xe_pci.c

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