GSP: Fixed typo in SignalInterrupt

src/core/hle/service/gsp_gpu.cpp

@@ -227,7 +227,7 @@ void SignalInterrupt(InterruptId interrupt_id) {
         // Update framebuffer information if requested
         // TODO(yuriks): Confirm where this code should be called. It is definitely updated without
         //               executing any GSP commands, only waiting on the event.
-        int screen_id = (interrupt_id == InterruptId::PDC0) ? 0 : (interrupt_id == InterruptId::PDC0) ? 1 : -1;
+        int screen_id = (interrupt_id == InterruptId::PDC0) ? 0 : (interrupt_id == InterruptId::PDC1) ? 1 : -1;
         if (screen_id != -1) {
             FrameBufferUpdate* info = GetFrameBufferInfo(thread_id, screen_id);
             if (info->is_dirty) {