Valgrind throws warns about a user-after-free if you try to bind a
new subchannel after the old one in that slot was freed,
so remove it from the channel list.
Signed-off-by: Maarten Lankhorst <m.b.lankhorst@gmail.com>
It makes sure that GPU object destruction is executed in order with
respect to the previous FIFO commands.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Acked-by: Ben Skeggs <bskeggs@redhat.com>