diff options
author | Evan Quan <evan.quan@amd.com> | 2019-07-22 12:09:38 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2019-07-30 23:48:34 -0500 |
commit | d427cf8f7f9932aac3908b38ab25d4c4c7c91315 (patch) | |
tree | 1ee2a07f27aef7b5ed52bfbe514070a795fe452a /drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | |
parent | 631807f091aeb8a3c9f5c7271753a1b257446c7e (diff) |
drm/amd/powerplay: support fan speed retrieval on arcturus
Support arcturus fan speed retrieval.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/arcturus_ppt.c')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c index 3a702110d9bc..2b6dfc7cfe1a 100644 --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c @@ -994,6 +994,44 @@ static int arcturus_read_sensor(struct smu_context *smu, return ret; } +static int arcturus_get_fan_speed_rpm(struct smu_context *smu, + uint32_t *speed) +{ + SmuMetrics_t metrics; + int ret = 0; + + if (!speed) + return -EINVAL; + + ret = arcturus_get_metrics_table(smu, &metrics); + if (ret) + return ret; + + *speed = metrics.CurrFanSpeed; + + return ret; +} + +static int arcturus_get_fan_speed_percent(struct smu_context *smu, + uint32_t *speed) +{ + PPTable_t *pptable = smu->smu_table.driver_pptable; + uint32_t percent, current_rpm; + int ret = 0; + + if (!speed) + return -EINVAL; + + ret = arcturus_get_fan_speed_rpm(smu, ¤t_rpm); + if (ret) + return ret; + + percent = current_rpm * 100 / pptable->FanMaximumRpm; + *speed = percent > 100 ? 100 : percent; + + return ret; +} + static int arcturus_get_current_clk_freq_by_table(struct smu_context *smu, enum smu_clk_type clk_type, uint32_t *value) @@ -1475,6 +1513,8 @@ static const struct pptable_funcs arcturus_ppt_funcs = { .print_clk_levels = arcturus_print_clk_levels, .force_clk_levels = arcturus_force_clk_levels, .read_sensor = arcturus_read_sensor, + .get_fan_speed_percent = arcturus_get_fan_speed_percent, + .get_fan_speed_rpm = arcturus_get_fan_speed_rpm, /* debug (internal used) */ .dump_pptable = arcturus_dump_pptable, }; |