i915/gem/i915_gem_execbuffer.c

260 	/** our requests to build */
261 	struct i915_request *requests[MAX_ENGINE_INSTANCE + 1];
1974  * Using two helper loops for the order of which requests / batches are created
1994 		if (eb->requests[i])
1995 			return eb->requests[i];
2044 		struct i915_request *rq = eb->requests[j];
2148 			if (!eb->requests[j])
2151 			err = _i915_vma_move_to_active(vma, eb->requests[j],
2155 						       &eb->requests[j]->fence,
2188 		if (!eb->requests[j])
2191 		i915_request_set_error_once(eb->requests[j], err);
2442 		if (!eb->requests[i])
2445 		trace_i915_request_queue(eb->requests[i], eb->batch_flags);
2447 			err = eb_request_submit(eb, eb->requests[i],
2501 	list_for_each_entry(rq, &tl->requests, link) {
2509 	if (&rq->link == &tl->requests)
2578 	 * Pinning the contexts may generate requests in order to acquire
3079 	list_for_each_entry_safe(rq, rn, &tl->requests, link)
3139 		struct i915_request *rq = eb->requests[i];
3180 		if (!eb->requests[i])
3183 		i915_request_get(eb->requests[i]);
3192 		if (!eb->requests[i])
3195 		i915_request_put(eb->requests[i]);
3214 		fences[i] = &eb->requests[i]->fence;
3216 			  &eb->requests[i]->fence.flags);
3317 		eb->requests[i] = i915_request_create(eb_find_context(eb, i));
3318 		if (IS_ERR(eb->requests[i])) {
3319 			out_fence = ERR_CAST(eb->requests[i]);
3320 			eb->requests[i] = NULL;
3326 		 * take the in fences into account as all subsequent requests
3330 			out_fence = eb_fences_add(eb, eb->requests[i],
3342 			eb->requests[i]->batch_res =
3347 							 eb->requests[i]);
3394 	memset(eb.requests, 0, sizeof(struct i915_request *) *
3395 	       ARRAY_SIZE(eb.requests));
3488 		if (eb.requests[0])
3503 				   &eb.requests[0]->fence);
3509 					  &eb.requests[0]->fence);