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drm/amd/powerplay: add function get_fan_speed_percent for navi10

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add callback function get_fan_speed_percent for navi10 asic

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kevin Wang
2019-04-23 13:14:15 +08:00
committed by Alex Deucher
parent da85f08123
commit 2d589a5bfb
1 changed files with 19 additions and 0 deletions
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19
drivers/gpu/drm/amd/powerplay/navi10_ppt.c
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@@ -819,6 +819,24 @@ static int navi10_set_thermal_fan_table(struct smu_context *smu)
return ret;
}
static int navi10_get_fan_speed_percent(struct smu_context *smu,
uint32_t *speed)
{
int ret = 0;
uint32_t percent = 0;
uint32_t current_rpm;
PPTable_t *pptable = smu->smu_table.driver_pptable;
ret = smu_get_current_rpm(smu, &current_rpm);
if (ret)
return ret;
percent = current_rpm * 100 / pptable->FanMaximumRpm;
*speed = percent > 100 ? 100 : percent;
return ret;
}
static const struct pptable_funcs navi10_ppt_funcs = {
.tables_init = navi10_tables_init,
.alloc_dpm_context = navi10_allocate_dpm_context,
@@ -846,6 +864,7 @@ static const struct pptable_funcs navi10_ppt_funcs = {
.get_current_activity_percent = navi10_get_current_activity_percent,
.is_dpm_running = navi10_is_dpm_running,
.set_thermal_fan_table = navi10_set_thermal_fan_table,
.get_fan_speed_percent = navi10_get_fan_speed_percent,
};
void navi10_set_ppt_funcs(struct smu_context *smu)