I915_RESET_ENGINE
GEM_BUG_ON(!test_bit(I915_RESET_ENGINE + engine->id, &error->flags));
BUILD_BUG_ON(I915_RESET_MODESET >= I915_RESET_ENGINE);
if (test_and_set_bit(I915_RESET_ENGINE + engine->id,
clear_bit(I915_RESET_ENGINE + engine->id,
I915_RESET_ENGINE + engine->id);
while (test_and_set_bit(I915_RESET_ENGINE + engine->id,
I915_RESET_ENGINE + engine->id,
clear_bit(I915_RESET_ENGINE + engine->id,