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* [PATCH v5 0/9] Introduce Xe PCIe FLR
@ 2026-04-06 14:07 Raag Jadav
  2026-04-06 14:07 ` [PATCH v5 1/9] drm/xe/uc_fw: Allow re-initializing firmware Raag Jadav
                   ` (13 more replies)
  0 siblings, 14 replies; 17+ messages in thread
From: Raag Jadav @ 2026-04-06 14:07 UTC (permalink / raw)
  To: intel-xe
  Cc: matthew.brost, rodrigo.vivi, thomas.hellstrom, riana.tauro,
	michal.wajdeczko, matthew.d.roper, michal.winiarski, matthew.auld,
	maarten, jani.nikula, lukasz.laguna, zhanjun.dong, lukas,
	Raag Jadav

Here's my humble attempt at introducing PCIe Function Level Reset (FLR)
support in xe driver. This is ofcourse a half baked implementation and
only limited to re-initializing GT. This needs to be extended for a lot
of different components which I've skipped here for my lack of competence,
so feel free to join in and support them.

PS: All xe_exec_basic tests and clpeak run smoothly after FLR. Give it
a spin and let me know if any regressions.

Trigger it with:

$ echo 1 > /sys/bus/pci/devices/<BDF>/reset

v2: Re-initialize migrate context (Matthew Brost)
    Add kernel doc (Matthew Brost)
    Spell out Function Level Reset (Jani)

v3: Cancel in-flight jobs before FLR

v4: Teardown exec queues instead of mangling scheduler pending list (Matthew Brost)

v5: Re-initialize kernel queues through submission backend (Matthew Brost)
    Prevent PM ref leak for wedged device (Matthew Brost)

Raag Jadav (9):
  drm/xe/uc_fw: Allow re-initializing firmware
  drm/xe/guc_submit: Introduce guc_exec_queue_reinit()
  drm/xe/gt: Introduce FLR helpers
  drm/xe/irq: Introduce xe_irq_disable()
  drm/xe: Introduce xe_device_assert_lmem_ready()
  drm/xe/bo_evict: Introduce xe_bo_restore_map()
  drm/xe/exec_queue: Introduce xe_exec_queue_reinit()
  drm/xe/migrate: Introduce xe_migrate_reinit()
  drm/xe/pci: Introduce PCIe FLR

 drivers/gpu/drm/xe/Makefile              |   1 +
 drivers/gpu/drm/xe/xe_bo_evict.c         |  51 ++++++--
 drivers/gpu/drm/xe/xe_bo_evict.h         |   2 +
 drivers/gpu/drm/xe/xe_device.c           |  10 +-
 drivers/gpu/drm/xe/xe_device.h           |   1 +
 drivers/gpu/drm/xe/xe_device_types.h     |   3 +
 drivers/gpu/drm/xe/xe_exec_queue.c       |  37 +++++-
 drivers/gpu/drm/xe/xe_exec_queue.h       |   1 +
 drivers/gpu/drm/xe/xe_exec_queue_types.h |   2 +
 drivers/gpu/drm/xe/xe_gpu_scheduler.h    |   5 +
 drivers/gpu/drm/xe/xe_gsc.c              |  14 ++
 drivers/gpu/drm/xe/xe_gsc.h              |   1 +
 drivers/gpu/drm/xe/xe_gt.c               |  47 +++++++
 drivers/gpu/drm/xe/xe_gt.h               |   2 +
 drivers/gpu/drm/xe/xe_gt_types.h         |   9 ++
 drivers/gpu/drm/xe/xe_guc.c              |  29 ++++
 drivers/gpu/drm/xe/xe_guc.h              |   2 +
 drivers/gpu/drm/xe/xe_guc_submit.c       |  11 ++
 drivers/gpu/drm/xe/xe_huc.c              |  14 ++
 drivers/gpu/drm/xe/xe_huc.h              |   1 +
 drivers/gpu/drm/xe/xe_irq.c              |  13 +-
 drivers/gpu/drm/xe/xe_irq.h              |   1 +
 drivers/gpu/drm/xe/xe_lrc.c              |  17 +++
 drivers/gpu/drm/xe/xe_lrc.h              |   2 +
 drivers/gpu/drm/xe/xe_migrate.c          |  12 ++
 drivers/gpu/drm/xe/xe_migrate.h          |   1 +
 drivers/gpu/drm/xe/xe_pci.c              |   1 +
 drivers/gpu/drm/xe/xe_pci.h              |   2 +
 drivers/gpu/drm/xe/xe_pci_err.c          | 160 +++++++++++++++++++++++
 drivers/gpu/drm/xe/xe_uc.c               |  37 ++++++
 drivers/gpu/drm/xe/xe_uc.h               |   2 +
 drivers/gpu/drm/xe/xe_uc_fw.c            |  39 +++++-
 drivers/gpu/drm/xe/xe_uc_fw.h            |   1 +
 33 files changed, 510 insertions(+), 21 deletions(-)
 create mode 100644 drivers/gpu/drm/xe/xe_pci_err.c

-- 
2.43.0


^ permalink raw reply	[flat|nested] 17+ messages in thread

end of thread, other threads:[~2026-04-11  8:11 UTC | newest]

Thread overview: 17+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-04-06 14:07 [PATCH v5 0/9] Introduce Xe PCIe FLR Raag Jadav
2026-04-06 14:07 ` [PATCH v5 1/9] drm/xe/uc_fw: Allow re-initializing firmware Raag Jadav
2026-04-06 14:07 ` [PATCH v5 2/9] drm/xe/guc_submit: Introduce guc_exec_queue_reinit() Raag Jadav
2026-04-06 14:07 ` [PATCH v5 3/9] drm/xe/gt: Introduce FLR helpers Raag Jadav
2026-04-06 14:07 ` [PATCH v5 4/9] drm/xe/irq: Introduce xe_irq_disable() Raag Jadav
2026-04-06 14:07 ` [PATCH v5 5/9] drm/xe: Introduce xe_device_assert_lmem_ready() Raag Jadav
2026-04-06 14:07 ` [PATCH v5 6/9] drm/xe/bo_evict: Introduce xe_bo_restore_map() Raag Jadav
2026-04-06 14:07 ` [PATCH v5 7/9] drm/xe/exec_queue: Introduce xe_exec_queue_reinit() Raag Jadav
2026-04-06 14:07 ` [PATCH v5 8/9] drm/xe/migrate: Introduce xe_migrate_reinit() Raag Jadav
2026-04-06 14:07 ` [PATCH v5 9/9] drm/xe/pci: Introduce PCIe FLR Raag Jadav
2026-04-06 14:18 ` ✗ CI.checkpatch: warning for Introduce Xe PCIe FLR (rev5) Patchwork
2026-04-06 14:19 ` ✓ CI.KUnit: success " Patchwork
2026-04-06 14:54 ` ✓ Xe.CI.BAT: " Patchwork
2026-04-06 18:08 ` ✗ Xe.CI.FULL: failure " Patchwork
2026-04-10 14:22 ` [PATCH v5 0/9] Introduce Xe PCIe FLR Raag Jadav
2026-04-10 18:22   ` Maarten Lankhorst
2026-04-11  8:11     ` Raag Jadav

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