diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c | 46 |
1 files changed, 36 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c index d0ef8f9c1361..0f2851b5b368 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c @@ -35,16 +35,21 @@ int psm_init_power_state_table(struct pp_hwmgr *hwmgr) int size; if (hwmgr->hwmgr_func->get_num_of_pp_table_entries == NULL) - return -EINVAL; + return 0; if (hwmgr->hwmgr_func->get_power_state_size == NULL) - return -EINVAL; + return 0; hwmgr->num_ps = table_entries = hwmgr->hwmgr_func->get_num_of_pp_table_entries(hwmgr); hwmgr->ps_size = size = hwmgr->hwmgr_func->get_power_state_size(hwmgr) + sizeof(struct pp_power_state); + if (table_entries == 0 || size == 0) { + pr_warn("Please check whether power state management is suppported on this asic\n"); + return 0; + } + hwmgr->ps = kzalloc(size * table_entries, GFP_KERNEL); if (hwmgr->ps == NULL) return -ENOMEM; @@ -91,6 +96,9 @@ int psm_fini_power_state_table(struct pp_hwmgr *hwmgr) if (hwmgr == NULL) return -EINVAL; + if (!hwmgr->ps) + return 0; + kfree(hwmgr->current_ps); kfree(hwmgr->request_ps); kfree(hwmgr->ps); @@ -167,6 +175,9 @@ int psm_set_boot_states(struct pp_hwmgr *hwmgr) unsigned long state_id; int ret = -EINVAL; + if (!hwmgr->ps) + return 0; + if (!psm_get_state_by_classification(hwmgr, PP_StateClassificationFlag_Boot, &state_id)) ret = psm_set_states(hwmgr, state_id); @@ -179,6 +190,9 @@ int psm_set_performance_states(struct pp_hwmgr *hwmgr) unsigned long state_id; int ret = -EINVAL; + if (!hwmgr->ps) + return 0; + if (!psm_get_ui_state(hwmgr, PP_StateUILabel_Performance, &state_id)) ret = psm_set_states(hwmgr, state_id); @@ -193,6 +207,9 @@ int psm_set_user_performance_state(struct pp_hwmgr *hwmgr, int table_entries; int i; + if (!hwmgr->ps) + return 0; + table_entries = hwmgr->num_ps; *state = hwmgr->ps; @@ -214,19 +231,12 @@ restart_search: return -EINVAL; } -int psm_adjust_power_state_dynamic(struct pp_hwmgr *hwmgr, bool skip, +static void power_state_management(struct pp_hwmgr *hwmgr, struct pp_power_state *new_ps) { struct pp_power_state *pcurrent; struct pp_power_state *requested; bool equal; - uint32_t index; - long workload; - - if (skip) - return 0; - - phm_display_configuration_changed(hwmgr); if (new_ps != NULL) requested = new_ps; @@ -244,8 +254,24 @@ int psm_adjust_power_state_dynamic(struct pp_hwmgr *hwmgr, bool skip, phm_set_power_state(hwmgr, &pcurrent->hardware, &requested->hardware); memcpy(hwmgr->current_ps, hwmgr->request_ps, hwmgr->ps_size); } +} + +int psm_adjust_power_state_dynamic(struct pp_hwmgr *hwmgr, bool skip, + struct pp_power_state *new_ps) +{ + uint32_t index; + long workload; + + if (skip) + return 0; + + phm_display_configuration_changed(hwmgr); + + if (hwmgr->ps) + power_state_management(hwmgr, new_ps); phm_notify_smc_display_config_after_ps_adjustment(hwmgr); + if (!phm_force_dpm_levels(hwmgr, hwmgr->request_dpm_level)) hwmgr->dpm_level = hwmgr->request_dpm_level; |