amdgpu_kiq_rreg
#define RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg), 0)
ret = amdgpu_kiq_rreg(adev, reg, 0);
ret = amdgpu_kiq_rreg(adev, reg, xcc_id);
uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg, uint32_t xcc_id);