230 u32 *intel_ring_begin(struct i915_request *rq, unsigned int num_dwords)  in intel_ring_begin()  argument
234 	const unsigned int bytes = num_dwords * sizeof(u32);  in intel_ring_begin()
240 	GEM_BUG_ON(num_dwords & 1);  in intel_ring_begin()
314 	int num_dwords;  in intel_ring_cacheline_align()  local
317 	num_dwords = (rq->ring->emit & (CACHELINE_BYTES - 1)) / sizeof(u32);  in intel_ring_cacheline_align()
318 	if (num_dwords == 0)  in intel_ring_cacheline_align()
321 	num_dwords = CACHELINE_DWORDS - num_dwords;  in intel_ring_cacheline_align()
322 	GEM_BUG_ON(num_dwords & 1);  in intel_ring_cacheline_align()
324 	cs = intel_ring_begin(rq, num_dwords);  in intel_ring_cacheline_align()
328 	memset64(cs, (u64)MI_NOOP << 32 | MI_NOOP, num_dwords / 2);  in intel_ring_cacheline_align()
329 	intel_ring_advance(rq, cs + num_dwords);  in intel_ring_cacheline_align()