drm/xe/ct: hold fast_lock when reserving space for g2h

Reserving and checking for space on the g2h side relies on the
fast_lock, and not the CT lock since we need to release space from the
fast CT path. Make sure we hold it when checking for space and reserving
it. The main concern is calling __g2h_release_space() as we are reserving
something and since the info.space and info.g2h_outstanding operations
are not atomic we can get some nonsense values back.

Signed-off-by: Matthew Auld <[email protected]>
Cc: Matthew Brost <[email protected]>
Cc: José Roberto de Souza <[email protected]>
Reviewed-by: Matthew Brost <[email protected]>
Signed-off-by: Rodrigo Vivi <[email protected]>

0 files changed, 0 insertions, 0 deletions