snb_pcode_read_p
err = snb_pcode_read_p(gt->uncore, XEHP_PCODE_FREQUENCY_CONFIG,
err = snb_pcode_read_p(gt->uncore, XEHP_PCODE_FREQUENCY_CONFIG,
return snb_pcode_read_p(&i915->uncore, PCODE_POWER_SETUP,
int snb_pcode_read_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 *val);