96  * Update the global current fid / vid values from the status msr.
134 	u8 fid, vid;  in fidvid_msr_init()  local
137 	vid = hi & MSR_S_HI_CURRENT_VID;  in fidvid_msr_init()
139 	lo = fid | (vid << MSR_C_LO_VID_SHIFT);  in fidvid_msr_init()
175 		pr_err("vid change on fid trans, old 0x%x, new 0x%x\n",  in write_new_fid()
189 /* Write a new vid to the hardware */
190 static int write_new_vid(struct powernow_k8_data *data, u32 vid)  in write_new_vid()  argument
196 	if ((data->currfid & INVALID_FID_MASK) || (vid & INVALID_VID_MASK)) {  in write_new_vid()
197 		pr_err("internal error - overflow on vid write\n");  in write_new_vid()
202 	lo |= (vid << MSR_C_LO_VID_SHIFT);  in write_new_vid()
205 	pr_debug("writing vid 0x%x, lo 0x%x, hi 0x%x\n",  in write_new_vid()
206 		vid, lo, STOP_GRANT_5NS);  in write_new_vid()
217 		pr_err("fid changed on vid trans, old 0x%x new 0x%x\n",  in write_new_vid()
222 	if (vid != data->currvid) {  in write_new_vid()
223 		pr_err("vid trans failed, vid 0x%x, curr 0x%x\n",  in write_new_vid()
224 				vid, data->currvid);  in write_new_vid()
232  * Reduce the vid by the max of step or reqvid.
233  * Decreasing vid codes represent increasing voltages:
234  * vid of 0 is 1.550V, vid of 0x1e is 0.800V, vid of VID_OFF is off.
250 /* Change Opteron/Athlon64 fid and vid, by the 3 phases. */
273 	pr_debug("transitioned (cpu%d): new fid 0x%x, vid 0x%x\n",  in transition_fid_vid()
301 		pr_debug("ph1: curr 0x%x, req vid 0x%x\n",  in core_voltage_pre_transition()
312 			pr_debug("ph1: changing vid for rvo, req 0x%x\n",  in core_voltage_pre_transition()
394 		pr_err("ph2: vid changed, save 0x%x, curr 0x%x\n",  in core_frequency_transition()
405 /* Phase 3 - core voltage transition flow ... jump to the final vid. */
427 			pr_err("ph3: failed vid transition\n, req 0x%x, curr 0x%x",  in core_voltage_post_transition()
499 		if (pst[j].vid > LEAST_VID) {  in check_pst_table()
500 			pr_err(FW_BUG "vid %d invalid : 0x%x\n", j,  in check_pst_table()
501 				pst[j].vid);  in check_pst_table()
504 		if (pst[j].vid < data->rvo) {  in check_pst_table()
505 			/* vid + rvo >= 0 */  in check_pst_table()
506 			pr_err(FW_BUG "0 vid exceeded with pstate %d\n", j);  in check_pst_table()
509 		if (pst[j].vid < maxvid + data->rvo) {  in check_pst_table()
510 			/* vid + rvo >= maxvid */  in check_pst_table()
549 			pr_info("fid 0x%x (%d MHz), vid 0x%x\n",  in print_basics()
595 		powernow_table[j].driver_data |= (pst[j].vid << 8); /* upper 8 bits */  in fill_powernow_table()
614 		    (pst[j].vid == data->currvid))  in fill_powernow_table()
617 	pr_debug("currfid/vid do not match PST, ignoring\n");  in fill_powernow_table()
805 		u32 vid;  in fill_powernow_table_fidvid()  local
812 			vid = (status >> VID_SHIFT) & EXT_VID_MASK;  in fill_powernow_table_fidvid()
816 			vid = (control >> VID_SHIFT) & VID_MASK;  in fill_powernow_table_fidvid()
819 		pr_debug("   %d : fid 0x%x, vid 0x%x\n", i, fid, vid);  in fill_powernow_table_fidvid()
821 		index = fid | (vid<<8);  in fill_powernow_table_fidvid()
836 		if (vid == VID_OFF) {  in fill_powernow_table_fidvid()
837 			pr_debug("invalid vid %u, ignoring\n", vid);  in fill_powernow_table_fidvid()
879 /* Take a frequency, and issue the fid/vid transition command */
885 	u32 vid = 0;  in transition_frequency_fidvid()  local
891 	/* fid/vid correctness check for k8 */  in transition_frequency_fidvid()
893 	 * the cpufreq frequency table in find_psb_table, vid  in transition_frequency_fidvid()
897 	vid = (data->powernow_table[index].driver_data & 0xFF00) >> 8;  in transition_frequency_fidvid()
899 	pr_debug("table matched fid 0x%x, giving vid 0x%x\n", fid, vid);  in transition_frequency_fidvid()
904 	if ((data->currvid == vid) && (data->currfid == fid)) {  in transition_frequency_fidvid()
905 		pr_debug("target matches current values (fid 0x%x, vid 0x%x)\n",  in transition_frequency_fidvid()
906 			fid, vid);  in transition_frequency_fidvid()
910 	pr_debug("cpu %d, changing to fid 0x%x, vid 0x%x\n",  in transition_frequency_fidvid()
911 		smp_processor_id(), fid, vid);  in transition_frequency_fidvid()
919 	res = transition_fid_vid(data, fid, vid);  in transition_frequency_fidvid()
958 	pr_debug("targ: curr fid 0x%x, vid 0x%x\n",  in powernowk8_target_fn()
963 		pr_info("error - out of sync, fix 0x%x 0x%x, vid 0x%x 0x%x\n",  in powernowk8_target_fn()
1078 	pr_debug("cpu_init done, current fid 0x%x, vid 0x%x\n",  in powernowk8_cpu_init()