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* [PATCH v5 0/3] drm/xe: Update Wa_14026539277
@ 2026-10-27 14:27 Gustavo Sousa
  2026-10-27 14:27 ` [PATCH v5 1/3] drm/xe: Extract override_has_cached_pt() Gustavo Sousa
                   ` (6 more replies)
  0 siblings, 7 replies; 10+ messages in thread
From: Gustavo Sousa @ 2026-10-27 14:27 UTC (permalink / raw)
  To: intel-xe
  Cc: Gustavo Sousa, Matthew Auld, Carl Zhang, Filip Hazubski,
	José Roberto de Souza

The definition of Wa_14026539277 has been updated in the workaround
database and requires a different implementation.  Let's revert the
existing one and then add the up-to-date implementation.

Signed-off-by: Gustavo Sousa <gustavo.sousa@intel.com>
---
Changes in v5:
- Incorporate feedback from Sashiko to make the madvise-specific check
  for the workaround to happen early in the VMA-independent function
  madvise_args_are_sane() instead of check_pat_args_are_sane().
- Link to v4: https://patch.msgid.link/20261026-wa_14026539277-v4-0-54e40d3e92aa@intel.com

Changes in v4:
- Rebased to fix conflicts with latest drm-tip.
- Link to v3: https://patch.msgid.link/20260821-wa_14026539277-v3-0-1f98c2af12f6@intel.com

Changes in v3:
- Changed patch "drm/xe: Add up-to-date implementation for
  Wa_14026539277" to handle 2-way-coherent PAT indexes irrespective of
  L3 cache policy.
- Link to v2: https://patch.msgid.link/20260724-wa_14026539277-v2-0-ad786cc6ba1e@intel.com

Changes in v2:
- Details of the changes are in the patch's changelog.
- Link to v1: https://patch.msgid.link/20260721-wa_14026539277-v1-0-09fa102f3084@intel.com

---
Gustavo Sousa (3):
      drm/xe: Extract override_has_cached_pt()
      Revert "drm/xe/nvlp: Implement Wa_14026539277"
      drm/xe: Add up-to-date implementation for Wa_14026539277

 drivers/gpu/drm/xe/regs/xe_gt_regs.h      |  4 --
 drivers/gpu/drm/xe/xe_device.c            | 28 ++++++++++----
 drivers/gpu/drm/xe/xe_device_wa_oob.rules |  1 -
 drivers/gpu/drm/xe/xe_gt.c                | 39 -------------------
 drivers/gpu/drm/xe/xe_pat.c               | 64 ++++++++++++++++++++++++++++---
 drivers/gpu/drm/xe/xe_pat.h               | 10 +++++
 drivers/gpu/drm/xe/xe_vm.c                |  5 +++
 drivers/gpu/drm/xe/xe_vm_madvise.c        |  4 ++
 drivers/gpu/drm/xe/xe_wa_oob.rules        |  1 +
 9 files changed, 98 insertions(+), 58 deletions(-)
---
base-commit: 4fae0a24d63d617b8651b1cc247c3a36bc1eff32
change-id: 20260701-wa_14026539277-9d39ae09ab75

Best regards,
--  
Gustavo Sousa <gustavo.sousa@intel.com>


^ permalink raw reply	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2026-10-27 23:05 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-10-27 14:27 [PATCH v5 0/3] drm/xe: Update Wa_14026539277 Gustavo Sousa
2026-10-27 14:27 ` [PATCH v5 1/3] drm/xe: Extract override_has_cached_pt() Gustavo Sousa
2026-10-27 14:27 ` [PATCH v5 2/3] Revert "drm/xe/nvlp: Implement Wa_14026539277" Gustavo Sousa
2026-10-27 14:27 ` [PATCH v5 3/3] drm/xe: Add up-to-date implementation for Wa_14026539277 Gustavo Sousa
2026-10-27 14:33   ` Matthew Auld
2026-10-27 23:05     ` Gustavo Sousa
2026-10-27 14:35 ` ✗ CI.checkpatch: warning for drm/xe: Update Wa_14026539277 Patchwork
2026-10-27 14:37 ` ✓ CI.KUnit: success " Patchwork
2026-10-27 15:37 ` ✓ Xe.CI.BAT: " Patchwork
2026-10-27 18:08 ` ✓ Xe.CI.FULL: " Patchwork

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