SDMA_TIMESTAMP_SUB_OPCODE_GET_GLOBAL  548 drivers/gpu/drm/amd/amdgpu/cikd.h #       define SDMA_TIMESTAMP_SUB_OPCODE_GET_GLOBAL       2
SDMA_TIMESTAMP_SUB_OPCODE_GET_GLOBAL 2060 drivers/gpu/drm/radeon/cikd.h #       define SDMA_TIMESTAMP_SUB_OPCODE_GET_GLOBAL       2