cik_set_uvd_clocks
.set_uvd_clocks = &cik_set_uvd_clocks,
.set_uvd_clocks = &cik_set_uvd_clocks,
.set_uvd_clocks = &cik_set_uvd_clocks,
int cik_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk);