return 0;
 }
 
-static int si_dma_process_illegal_inst_irq(struct amdgpu_device *adev,
-                                             struct amdgpu_irq_src *source,
-                                             struct amdgpu_iv_entry *entry)
-{
-       DRM_ERROR("Illegal instruction in SDMA command stream\n");
-       schedule_work(&adev->reset_work);
-       return 0;
-}
-
 static int si_dma_set_clockgating_state(void *handle,
                                          enum amd_clockgating_state state)
 {
        .process = si_dma_process_trap_irq,
 };
 
-static const struct amdgpu_irq_src_funcs si_dma_illegal_inst_irq_funcs = {
-       .process = si_dma_process_illegal_inst_irq,
-};
-
 static void si_dma_set_irq_funcs(struct amdgpu_device *adev)
 {
        adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
        adev->sdma.trap_irq.funcs = &si_dma_trap_irq_funcs;
-       adev->sdma.illegal_inst_irq.funcs = &si_dma_illegal_inst_irq_funcs;
 }
 
 /**