return 0;
}
-/**
+/*
* Emits a PIPE_CONTROL with a non-zero post-sync operation, for
* implementing two workarounds on gen6. From section 1.4.7.1
* "PIPE_CONTROL" of the Sandy Bridge PRM volume 2 part 1:
static const int i9xx_emit_breadcrumb_sz = 4;
-/**
- * gen6_sema_emit_breadcrumb - Update the semaphore mailbox registers
- *
- * @request - request to write to the ring
- *
- * Update the mailbox registers in the *other* rings with the current seqno.
- * This acts like a signal in the canonical semaphore.
- */
static void gen6_sema_emit_breadcrumb(struct drm_i915_gem_request *req, u32 *cs)
{
return i9xx_emit_breadcrumb(req,