drm/amdgpu/vce3: add support for third vce ring

Not of much use at the moment (we don't really use
the second ring either), but may be useful later.

Reviewed-by: JimQu <Jim.Qu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-08-24 17:15:33 -04:00
commit 6f0359ff73
3 changed files with 21 additions and 7 deletions