sdma_v3_0_ring_insert_nop 432 drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c sdma_v3_0_ring_insert_nop(ring, (2 - lower_32_bits(ring->wptr)) & 7); sdma_v3_0_ring_insert_nop 1595 drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c .insert_nop = sdma_v3_0_ring_insert_nop,