tree fb2202ab1d15f7cfab295e4c9a00de0e566e9867
parent ebff8453d3a57a2405c4d96d9f9c4f4acc7d4d79
author Oded Gabbay <oded.gabbay@amd.com> 1405341368 +0300
committer Oded Gabbay <oded.gabbay@amd.com> 1405341368 +0300

drm/radeon: adding synchronization for GRBM GFX

Implementing a lock for selecting and accessing shader engines and arrays.
This lock will make sure that radeon and amdkfd are not colliding when
accessing shader engines and arrays with GRBM_GFX_INDEX register.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>