drm/i915/gvt: clear the vGPU reset logic

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Releasing shadow PPGTT pages is not enough when vGPU reset, the
guest page table tracking data should has same life-cycle with
all the shadow PPGTT pages; Otherwise there is no chance to
re-shadow the PPGTT pages without free the guest page table
tracking data.

This patch clear the PPGTT reset logic and make the vGPU reset in
working order.

v2: refactor some logic to avoid code duplicated.
v3: remove useless macro and add comments from Christophe.
v4: keep reset logic in reset function.

Signed-off-by: Ping Gao <ping.a.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>

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This commit is contained in:

Ping Gao 2017-02-21 15:52:56 +08:00 • committed by Zhenyu Wang

parent bab0593043

commit da9cc8de22

1 changed files with 25 additions and 10 deletions

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

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