drm/xe: Restrict huge PTEs to 1GiB

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Add a define for the highest level for which we can encode a huge PTE,
and use it for page-table building. Also update an assert that checks that
we don't try to encode for larger sizes.

Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Brian Welty <brian.welty@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231209151843.7903-2-thomas.hellstrom@linux.intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

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Thomas Hellström 2023-12-09 16:18:41 +01:00 • committed by Rodrigo Vivi

parent 1c8e901903

commit e84d716dd4

3 changed files with 7 additions and 1 deletions

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3

drivers/gpu/drm/xe/xe_pt.c

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3

drivers/gpu/drm/xe/xe_pt.h

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2

drivers/gpu/drm/xe/xe_vm.c

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