drm/i915/gvt: Refine broken PPGTT scratch

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Refine previously broken PPGTT scratch. Scratch PTE was no correctly
handled and also the handling of scratch entries in page table walk was
not well organized, which brings gaps of introducing lazy shadow.

Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>

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Zhi Wang 2017-10-17 02:00:27 +08:00 • committed by Zhenyu Wang

parent 655c64efe3

commit c1802534e5

2 changed files with 112 additions and 101 deletions

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196

drivers/gpu/drm/i915/gvt/gtt.c

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17

drivers/gpu/drm/i915/gvt/gtt.h

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