drm/xe/vf: Use only assigned GGTT region

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Each VF is assigned a limited range of the GGTT address space.
To ensure that the VF driver does not use GGTT allocations outside
of the assigned region, explicitly reserve GGTT space below and
above this region when initializing GGTT.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240527112015.1020-1-michal.wajdeczko@intel.com

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This commit is contained in:

Michal Wajdeczko 2024-05-27 13:20:15 +02:00

parent ea797cf4b7

commit d79e8cab32

4 changed files with 109 additions and 1 deletions

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3

drivers/gpu/drm/xe/xe_device_types.h

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14

drivers/gpu/drm/xe/xe_ggtt.c

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92

drivers/gpu/drm/xe/xe_gt_sriov_vf.c

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1

drivers/gpu/drm/xe/xe_gt_sriov_vf.h

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