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| author | Kevin Wang <kevin1.wang@amd.com> | 2019-04-23 13:14:15 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-06-21 18:59:30 -0500 |
| commit | 2d589a5bfbe7c5d1daf36e6254d52a0fcda8cc27 (patch) | |
| tree | dd535b6cda0cf405a2272535e53cffcdb6adc701 | |
| parent | da85f0812365dac45273a9dd8bd6bc1c254055e4 (diff) | |
| download | linux-2d589a5bfbe7c5d1daf36e6254d52a0fcda8cc27.tar.bz2 | |
drm/amd/powerplay: add function get_fan_speed_percent for navi10
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>
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index f2843bcf6eb1..18b2216fff08 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -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, ¤t_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) |