drm/radeon: allow userptr write access under certain conditions

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It needs to be anonymous memory (no file mappings)
and we are requried to install an MMU notifier.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Christian König 2014-08-07 09:36:04 +02:00 • committed by Alex Deucher

parent 341cb9e426

commit bd645e4314

1 changed files with 12 additions and 7 deletions

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19

drivers/gpu/drm/radeon/radeon_gem.c

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