i915/gem/i915_gem_context.c

410 	const struct set_proto_ctx_engines *set = data;
411 	struct drm_i915_private *i915 = set->i915;
423 	if (idx >= set->num_engines) {
425 			idx, set->num_engines);
429 	idx = array_index_nospec(idx, set->num_engines);
430 	if (set->engines[idx].type != I915_GEM_ENGINE_TYPE_INVALID) {
475 		set->engines[idx].type = I915_GEM_ENGINE_TYPE_PHYSICAL;
476 		set->engines[idx].engine = siblings[0];
479 		set->engines[idx].type = I915_GEM_ENGINE_TYPE_BALANCED;
480 		set->engines[idx].num_siblings = num_siblings;
481 		set->engines[idx].siblings = siblings;
497 	const struct set_proto_ctx_engines *set = data;
498 	struct drm_i915_private *i915 = set->i915;
514 	if (idx >= set->num_engines) {
517 			idx, set->num_engines);
521 	idx = array_index_nospec(idx, set->num_engines);
522 	if (set->engines[idx].type == I915_GEM_ENGINE_TYPE_INVALID) {
527 	if (set->engines[idx].type != I915_GEM_ENGINE_TYPE_PHYSICAL) {
590 	const struct set_proto_ctx_engines *set = data;
591 	struct drm_i915_private *i915 = set->i915;
615 	if (slot >= set->num_engines) {
617 			slot, set->num_engines);
621 	if (set->engines[slot].type != I915_GEM_ENGINE_TYPE_INVALID) {
720 	set->engines[slot].type = I915_GEM_ENGINE_TYPE_PARALLEL;
721 	set->engines[slot].num_siblings = num_siblings;
722 	set->engines[slot].width = width;
723 	set->engines[slot].siblings = siblings;
745 	struct set_proto_ctx_engines set = { .i915 = i915 };
753 		drm_dbg(&i915->drm, "Cannot set engines twice");
764 	set.num_engines = (args->size - sizeof(*user)) / sizeof(*user->engines);
766 	if (set.num_engines > I915_EXEC_RING_MASK + 1)
769 	set.engines = kmalloc_array(set.num_engines, sizeof(*set.engines), GFP_KERNEL);
770 	if (!set.engines)
773 	for (n = 0; n < set.num_engines; n++) {
778 			kfree(set.engines);
782 		memset(&set.engines[n], 0, sizeof(set.engines[n]));
795 			kfree(set.engines);
799 		set.engines[n].type = I915_GEM_ENGINE_TYPE_PHYSICAL;
800 		set.engines[n].engine = engine;
808 					   &set);
810 		kfree(set.engines);
814 	pc->num_user_engines = set.num_engines;
815 	pc->user_engines = set.engines;
2155 			ret = -EPERM; /* can't set this for protected contexts */