diff options
| author | Ben Widawsky <ben@bwidawsk.net> | 2014-06-30 09:53:38 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-07-07 22:22:58 +0200 |
| commit | 5ee426ca135c91e071d23853e876b957526841c5 (patch) | |
| tree | 714697e0242275660ec8423a197d2249ffe61112 /lib/mpi/mpi-internal.h | |
| parent | 3e78998a588c64d6447849deabf630e837505a24 (diff) | |
drm/i915/bdw: implement semaphore wait
Semaphore waits use a new instruction, MI_SEMAPHORE_WAIT. The seqno to
wait on is all well defined by the table in the previous patch. There is
nothing else different from previous GEN's semaphore synchronization
code.
v2: Update macros to not require the other ring's ring->id (Chris)
v3: Add missing VCS2 gen8_ring_wait init besides
s/ring_buffer/engine_cs (Rodrigo)
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'lib/mpi/mpi-internal.h')
0 files changed, 0 insertions, 0 deletions