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drm/xe: Add CPU bind layer

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With CPU binds, it no longer makes sense to implement CPU bind handling
in the migrate layer, as these operations are entirely decoupled from
hardware. Introduce a dedicated CPU bind layer stored at the device
level.

Since CPU binds are tile-independent, update the PT layer to generate a
single bind job even when pages are mirrored across tiles.

This patch is large because the refactor touches multiple file / layers
and ensures functional equivalence before and after the change.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Shuicheng Lin <shuicheng.lin@intel.com>
Reviewed-by: Maarten Lankhorst <dev@lankhorst.se>
Link: https://patch.msgid.link/20260925201526.1355279-17-matthew.brost@intel.com
This commit is contained in:
Matthew Brost 2026-09-25 13:15:18 -07:00
commit f5708e761e
18 changed files with 808 additions and 761 deletions
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