Support SDMA soft reset for SDMA v6.
V3: use ib test to check soft reset.
V4: squash in unused variable fix (Alex)
Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
WPTR_POLL_ENABLE = 1 was kept to support legacy doorbell programming in
SimNow environment. Disable for real hardware.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
