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path: root/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
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Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amd_powerplay.c')
-rw-r--r--drivers/gpu/drm/amd/powerplay/amd_powerplay.c153
1 files changed, 143 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index e629f8a9f..abbb658bd 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -176,7 +176,7 @@ static int pp_hw_fini(void *handle)
static bool pp_is_idle(void *handle)
{
- return 0;
+ return false;
}
static int pp_wait_for_idle(void *handle)
@@ -536,6 +536,10 @@ int pp_dpm_dispatch_tasks(void *handle, enum amd_pp_event event_id, void *input,
case AMD_PP_EVENT_COMPLETE_INIT:
ret = pem_handle_event(pp_handle->eventmgr, event_id, &data);
break;
+ case AMD_PP_EVENT_READJUST_POWER_STATE:
+ pp_handle->hwmgr->current_ps = pp_handle->hwmgr->boot_ps;
+ ret = pem_handle_event(pp_handle->eventmgr, event_id, &data);
+ break;
default:
break;
}
@@ -740,12 +744,12 @@ static int pp_dpm_get_pp_table(void *handle, char **table)
PP_CHECK_HW(hwmgr);
- if (hwmgr->hwmgr_func->get_pp_table == NULL) {
- printk(KERN_INFO "%s was not implemented.\n", __func__);
- return 0;
- }
+ if (!hwmgr->soft_pp_table)
+ return -EINVAL;
- return hwmgr->hwmgr_func->get_pp_table(hwmgr, table);
+ *table = (char *)hwmgr->soft_pp_table;
+
+ return hwmgr->soft_pp_table_size;
}
static int pp_dpm_set_pp_table(void *handle, const char *buf, size_t size)
@@ -759,12 +763,23 @@ static int pp_dpm_set_pp_table(void *handle, const char *buf, size_t size)
PP_CHECK_HW(hwmgr);
- if (hwmgr->hwmgr_func->set_pp_table == NULL) {
- printk(KERN_INFO "%s was not implemented.\n", __func__);
- return 0;
+ if (!hwmgr->hardcode_pp_table) {
+ hwmgr->hardcode_pp_table =
+ kzalloc(hwmgr->soft_pp_table_size, GFP_KERNEL);
+
+ if (!hwmgr->hardcode_pp_table)
+ return -ENOMEM;
+
+ /* to avoid powerplay crash when hardcode pptable is empty */
+ memcpy(hwmgr->hardcode_pp_table, hwmgr->soft_pp_table,
+ hwmgr->soft_pp_table_size);
}
- return hwmgr->hwmgr_func->set_pp_table(hwmgr, buf, size);
+ memcpy(hwmgr->hardcode_pp_table, buf, size);
+
+ hwmgr->soft_pp_table = hwmgr->hardcode_pp_table;
+
+ return amd_powerplay_reset(handle);
}
static int pp_dpm_force_clock_level(void *handle,
@@ -806,6 +821,82 @@ static int pp_dpm_print_clock_levels(void *handle,
return hwmgr->hwmgr_func->print_clock_levels(hwmgr, type, buf);
}
+static int pp_dpm_get_sclk_od(void *handle)
+{
+ struct pp_hwmgr *hwmgr;
+
+ if (!handle)
+ return -EINVAL;
+
+ hwmgr = ((struct pp_instance *)handle)->hwmgr;
+
+ PP_CHECK_HW(hwmgr);
+
+ if (hwmgr->hwmgr_func->get_sclk_od == NULL) {
+ printk(KERN_INFO "%s was not implemented.\n", __func__);
+ return 0;
+ }
+
+ return hwmgr->hwmgr_func->get_sclk_od(hwmgr);
+}
+
+static int pp_dpm_set_sclk_od(void *handle, uint32_t value)
+{
+ struct pp_hwmgr *hwmgr;
+
+ if (!handle)
+ return -EINVAL;
+
+ hwmgr = ((struct pp_instance *)handle)->hwmgr;
+
+ PP_CHECK_HW(hwmgr);
+
+ if (hwmgr->hwmgr_func->set_sclk_od == NULL) {
+ printk(KERN_INFO "%s was not implemented.\n", __func__);
+ return 0;
+ }
+
+ return hwmgr->hwmgr_func->set_sclk_od(hwmgr, value);
+}
+
+static int pp_dpm_get_mclk_od(void *handle)
+{
+ struct pp_hwmgr *hwmgr;
+
+ if (!handle)
+ return -EINVAL;
+
+ hwmgr = ((struct pp_instance *)handle)->hwmgr;
+
+ PP_CHECK_HW(hwmgr);
+
+ if (hwmgr->hwmgr_func->get_mclk_od == NULL) {
+ printk(KERN_INFO "%s was not implemented.\n", __func__);
+ return 0;
+ }
+
+ return hwmgr->hwmgr_func->get_mclk_od(hwmgr);
+}
+
+static int pp_dpm_set_mclk_od(void *handle, uint32_t value)
+{
+ struct pp_hwmgr *hwmgr;
+
+ if (!handle)
+ return -EINVAL;
+
+ hwmgr = ((struct pp_instance *)handle)->hwmgr;
+
+ PP_CHECK_HW(hwmgr);
+
+ if (hwmgr->hwmgr_func->set_mclk_od == NULL) {
+ printk(KERN_INFO "%s was not implemented.\n", __func__);
+ return 0;
+ }
+
+ return hwmgr->hwmgr_func->set_mclk_od(hwmgr, value);
+}
+
const struct amd_powerplay_funcs pp_dpm_funcs = {
.get_temperature = pp_dpm_get_temperature,
.load_firmware = pp_dpm_load_fw,
@@ -828,6 +919,10 @@ const struct amd_powerplay_funcs pp_dpm_funcs = {
.set_pp_table = pp_dpm_set_pp_table,
.force_clock_level = pp_dpm_force_clock_level,
.print_clock_levels = pp_dpm_print_clock_levels,
+ .get_sclk_od = pp_dpm_get_sclk_od,
+ .set_sclk_od = pp_dpm_set_sclk_od,
+ .get_mclk_od = pp_dpm_get_mclk_od,
+ .set_mclk_od = pp_dpm_set_mclk_od,
};
static int amd_pp_instance_init(struct amd_pp_init *pp_init,
@@ -909,6 +1004,44 @@ int amd_powerplay_fini(void *handle)
return 0;
}
+int amd_powerplay_reset(void *handle)
+{
+ struct pp_instance *instance = (struct pp_instance *)handle;
+ struct pp_eventmgr *eventmgr;
+ struct pem_event_data event_data = { {0} };
+ int ret;
+
+ if (instance == NULL)
+ return -EINVAL;
+
+ eventmgr = instance->eventmgr;
+ if (!eventmgr || !eventmgr->pp_eventmgr_fini)
+ return -EINVAL;
+
+ eventmgr->pp_eventmgr_fini(eventmgr);
+
+ ret = pp_sw_fini(handle);
+ if (ret)
+ return ret;
+
+ kfree(instance->hwmgr->ps);
+
+ ret = pp_sw_init(handle);
+ if (ret)
+ return ret;
+
+ hw_init_power_state_table(instance->hwmgr);
+
+ if (eventmgr == NULL || eventmgr->pp_eventmgr_init == NULL)
+ return -EINVAL;
+
+ ret = eventmgr->pp_eventmgr_init(eventmgr);
+ if (ret)
+ return ret;
+
+ return pem_handle_event(eventmgr, AMD_PP_EVENT_COMPLETE_INIT, &event_data);
+}
+
/* export this function to DAL */
int amd_powerplay_display_configuration_change(void *handle,