amdgpu/vce3: Simplify idle and wait for idle code

More LOC reductions in VCE3 code.  This patch simplifies the is_idle and
wait_for_idle logic.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Tom St Denis 2015-12-15 10:35:56 -05:00 • committed by Alex Deucher
commit 92988e604b