drm/radeon: use packet3 for nop on hawaii with new firmware

Older firmware didn't support the new nop packet.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Andreas Boll <andreas.boll.dev@gmail.com>
This commit is contained in:
Alex Deucher 2014-08-01 20:05:31 +02:00
commit 78cd3661fe