[PATCH v5 0/5] Enable SVM atomics in Xe / GPU SVM

Matthew Brost matthew.brost at intel.com
Tue Apr 29 20:19:10 UTC 2025


Minimal set of patches to enable compute UMD SVM atomics.

Collaboration with Himal.

Matt

Himal Prasad Ghimiray (1):
  drm/gpusvm: Introduce devmem_only flag for allocation

Matthew Brost (4):
  drm/xe: Strict migration policy for atomic SVM faults
  drm/gpusvm: Add timeslicing support to GPU SVM
  drm/xe: Timeslice GPU on atomic SVM fault
  drm/xe: Add atomic_svm_timeslice_ms debugfs entry

 drivers/gpu/drm/drm_gpusvm.c         |  14 ++++
 drivers/gpu/drm/xe/xe_debugfs.c      |  38 ++++++++++
 drivers/gpu/drm/xe/xe_device.c       |   1 +
 drivers/gpu/drm/xe/xe_device_types.h |   3 +
 drivers/gpu/drm/xe/xe_module.c       |   3 -
 drivers/gpu/drm/xe/xe_module.h       |   1 -
 drivers/gpu/drm/xe/xe_svm.c          | 109 ++++++++++++++++++++-------
 drivers/gpu/drm/xe/xe_svm.h          |   5 --
 include/drm/drm_gpusvm.h             |  47 ++++++++----
 9 files changed, 172 insertions(+), 49 deletions(-)

-- 
2.34.1



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