Re: [Intel-gfx] [PATCH 09/15] drm/i915/bdw: implement semaphore wait

2013-12-17 Thread Chris Wilson
On Mon, Dec 16, 2013 at 08:50:45PM -0800, Ben Widawsky wrote: > 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: U

[Intel-gfx] [PATCH 09/15] drm/i915/bdw: implement semaphore wait

2013-12-16 Thread Ben Widawsky
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) Signed-off-