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path: root/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c53
1 files changed, 44 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c
index 95ab772..0f2851b 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;
@@ -214,18 +231,13 @@ 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;
- if (skip)
- return 0;
-
- phm_display_configuration_changed(hwmgr);
-
if (new_ps != NULL)
requested = new_ps;
else
@@ -242,12 +254,35 @@ 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;
- phm_reset_power_profile_state(hwmgr);
+ if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
+ index = fls(hwmgr->workload_mask);
+ index = index > 0 && index <= Workload_Policy_Max ? index - 1 : 0;
+ workload = hwmgr->workload_setting[index];
+
+ if (hwmgr->power_profile_mode != workload && hwmgr->hwmgr_func->set_power_profile_mode)
+ hwmgr->hwmgr_func->set_power_profile_mode(hwmgr, &workload, 0);
+ }
return 0;
}
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