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Until the provider's sync_state() callback runs, rpmhpd_aggregate_corner() replaces requests with the highest supported corner, leaving genpd unaware of this boot performance constraint. Set GENPD_FLAG_POWER_UNKNOWN and provide the highest mapped performance level as boot_performance_state. Reject an empty mapping before indexing its last entry. Let genpd enforce the floor and retain consumer-enabled domains while boot protection is active, instead of clamping corners inside the provider. Retain state_synced for the hardware-specific sleep-vote policy. Include the supplied corner in sleep votes for active-only domains until the provider's sync_state() callback releases that protection. This also applies when translating an enabled peer's vote. Keep the existing sync callback to reconcile votes for domains left software-OFF by genpd. Assisted-by: LLM Signed-off-by: Abel Vesa --- drivers/pmdomain/qcom/rpmhpd.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/pmdomain/qcom/rpmhpd.c b/drivers/pmdomain/qcom/rpmhpd.c index fa8fed5bd3e5..1488f31bcdda 100644 --- a/drivers/pmdomain/qcom/rpmhpd.c +++ b/drivers/pmdomain/qcom/rpmhpd.c @@ -40,7 +40,7 @@ * @res_name: Resource name used for cmd-db lookup * @addr: Resource address as looped up using resource name from * cmd-db - * @state_synced: Indicator that sync_state has been invoked for the rpmhpd resource + * @state_synced: Whether boot protection of sleep votes has been released */ struct rpmhpd { struct device *dev; @@ -982,7 +982,7 @@ static void to_active_sleep(struct rpmhpd *pd, unsigned int corner, { *active = corner; - if (pd->active_only) + if (pd->active_only && pd->state_synced) *sleep = 0; else *sleep = *active; @@ -1006,13 +1006,7 @@ static int rpmhpd_aggregate_corner(struct rpmhpd *pd, unsigned int corner) unsigned int peer_active_corner = 0, peer_sleep_corner = 0; unsigned int peer_enabled_corner; - if (pd->state_synced) { - to_active_sleep(pd, corner, &this_active_corner, &this_sleep_corner); - } else { - /* Clamp to highest corner if sync_state hasn't happened */ - this_active_corner = pd->level_count - 1; - this_sleep_corner = pd->level_count - 1; - } + to_active_sleep(pd, corner, &this_active_corner, &this_sleep_corner); if (peer && peer->enabled) { peer_enabled_corner = max(peer->corner, peer->enable_corner); @@ -1210,10 +1204,15 @@ static int rpmhpd_probe(struct platform_device *pdev) ret = rpmhpd_update_level_mapping(rpmhpds[i]); if (ret) return ret; + if (!rpmhpds[i]->level_count) + return -EINVAL; rpmhpds[i]->pd.power_off = rpmhpd_power_off; rpmhpds[i]->pd.power_on = rpmhpd_power_on; rpmhpds[i]->pd.set_performance_state = rpmhpd_set_performance_state; + rpmhpds[i]->pd.flags |= GENPD_FLAG_POWER_UNKNOWN; + rpmhpds[i]->pd.boot_performance_state = + rpmhpds[i]->level[rpmhpds[i]->level_count - 1]; pm_genpd_init(&rpmhpds[i]->pd, NULL, true); data->domains[i] = &rpmhpds[i]->pd; -- 2.54.0