Thomas Hellstrom 5cc6fbab9d
drm/radeon: Remove tests for -ERESTART from the TTM code. ...
Also sets affected TTM calls up to not wait interruptible, since
that would cause an in-kernel spin until the TTM call succeeds, since
the Radeon code does not return to user-space when a signal is received.
Modifies interruptible fence waits to return -ERESTARTSYS rather than
-EBUSY when interrupted by a signal, since that's the (yet undocumented)
semantics required by the TTM sync object hooks.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com >
Signed-off-by: Jerome Glisse <jglisse@redhat.com >
Signed-off-by: Dave Airlie <airlied@redhat.com >
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5cc6fbab9d