drm/i915: Zap mmaps of objects before unbinding them from the GTT.

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Otherwise, some other userland writing into its buffer may race to land
writes either after the CPU thinks it's got a coherent view, or after its
GTT entries have been redirected to point at the scratch page.  Either
result is unpleasant.

Signed-off-by: Eric Anholt <eric@anholt.net>

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This commit is contained in:

Eric Anholt 2009-09-09 11:50:45 -07:00

parent 7839c5d551

commit 5323fd042f

1 changed files with 8 additions and 8 deletions

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drivers/gpu/drm/i915/i915_gem.c

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