Datasheet

Processor Configuration Registers
302 Datasheet, Volume 2
2.19.8 RP_STATE_CAP—RP State Capability Register
This register contains the maximum base frequency capability for the Integrated
Graphics Engine (GT).
2.19.9 PCU_MMIO_FREQ_CLIPPING_CAUSE_STATUS Register
This register provides the status of the frequency clipping cause in MMIO for both
Power plane 0 (IA) and Power plane 1 (GT)
B/D/F/Type: 0/0/0/MCHBAR PCU
Address Offset: 5998–599Bh
Reset Value: 00000000h
Access: RO-FW
Size: 32 bits
BIOS Optimal Default 00h
Bit Access
Reset
Value
RST/
PWR
Description
31:24 RO 0h Reserved (RSVD)
23:16 RO-FW 00h Uncore
RPN Capability (RPN_CAP)
This field indicates the maximum RPN base frequency capability
for the Integrated Graphics Engine (GT). Values are in units of
100 MHz.
15:8 RO-FW 00h Uncore
RP1 Capability (RP1_CAP):
This field indicates the maximum RP1 base frequency capability
for the Integrated Graphics Engine (GT). Values are in units of
100 MHz.
7:0 RO-FW 00h Uncore
RP0 Capability (RP0_CAP):
This field indicates the maximum RP0 base frequency capability
for the Integrated Graphics Engine (GT). Values are in units of
100 MHz.
B/D/F/Type: 0/0/0/MCHBAR PCU
Address Offset: 5C20–5C23h
Reset Value: 00000000h
Access: RW
Size: 32 bits
Bit Access
Reset
Value
RST/
PWR
Description
31 RW 00000000h Uncore
pp1_clipped
Set if the PP1 (GT) frequency requested was clipped.
30 RW 00000000h Reserved (RSVD)
29 RW 00000000h Uncore
pp1_clipped_non_turbo
Set if the PP1 (GT) frequency requested was clipped, but current
frequency is lower than RP1 (MAX_NON_TURBO).
28:25 RW 00000000h Reserved (RSVD)
24 RW 00000000h Uncore
pp1_clipped_edp
Set if the PP1 (GT) frequency requested was clipped by EDP limit
(Vmax, Iccmax, Reliability, and so on).
23 RW 00000000h Reserved (RSVD)
22 RW 00000000h Uncore
pp1_clipped_hot_vr
Set if the PP1 (GT) frequency requested was clipped by HOT
indication from VR on SVID.
21 RW 00000000h Uncore
p1_clipped_pl2
Set if the PP1 (GT) frequency requested was clipped by PL2
(POWER_LIMIT_2) power limiting algorithm.