diff options
| -rw-r--r-- | hw/slw.c | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -924,6 +924,10 @@ void add_cpu_idle_state_properties(void) } } + if ((wakeup_engine_state == WAKEUP_ENGINE_PRESENT) && has_deep_states) + slw_late_init_p9(chip); + if (wakeup_engine_state != WAKEUP_ENGINE_PRESENT) + has_deep_states = false; } else if (chip->type == PROC_CHIP_P8_MURANO || chip->type == PROC_CHIP_P8_VENICE || chip->type == PROC_CHIP_P8_NAPLES) { @@ -1487,6 +1491,11 @@ int64_t opal_slw_set_reg(uint64_t cpu_pir, uint64_t sprn, uint64_t val) assert(chip); if (proc_gen == proc_gen_p9) { + if (!has_deep_states) { + prlog(PR_INFO, "SLW: Deep states not enabled\n"); + return OPAL_SUCCESS; + } + if (wakeup_engine_state != WAKEUP_ENGINE_PRESENT) { log_simple_error(&e_info(OPAL_RC_SLW_REG), "SLW: wakeup_engine in bad state=%d chip=%x\n", |