[Intel-gfx] [PATCH v4 33/61] drm/i915: Add ww locking around vm_access()

[Thomas Hellström (Intel)]

On 10/16/20 12:44 PM, Maarten Lankhorst wrote:
> i915_gem_object_pin_map potentially needs a ww context, so ensure we
> have one we can revoke.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> ---
>   drivers/gpu/drm/i915/gem/i915_gem_mman.c | 24 ++++++++++++++++++++++--
>   1 file changed, 22 insertions(+), 2 deletions(-)

Reviewed-by: Thomas Hellström <thomas.hellstrom at linux.intel.com>