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drm/amdgpu/swsmu: drop get_fan_speed_percent (v2)

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No longer needed as we can calculate it based on
the fan's max rpm.

v2: rework code to avoid possible uninitialized
variable use.

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2020-08-26 23:49:37 -04:00
parent 3204ff3e08
commit eff6474260
5 changed files with 10 additions and 62 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
View file

@ -498,7 +498,6 @@ struct pptable_funcs {
int (*notify_smc_display_config)(struct smu_context *smu);
int (*set_cpu_power_state)(struct smu_context *smu);
bool (*is_dpm_running)(struct smu_context *smu);
int (*get_fan_speed_percent)(struct smu_context *smu, uint32_t *speed);
int (*get_fan_speed_rpm)(struct smu_context *smu, uint32_t *speed);
int (*set_watermarks_table)(struct smu_context *smu,
struct dm_pp_wm_sets_with_clock_ranges_soc15 *clock_ranges);

12
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
View file

@ -2192,17 +2192,25 @@ int smu_set_fan_control_mode(struct smu_context *smu, int value)
int smu_get_fan_speed_percent(struct smu_context *smu, uint32_t *speed)
{
int ret = 0;
uint32_t percent;
uint32_t current_rpm;
if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
return -EOPNOTSUPP;
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_fan_speed_percent)
ret = smu->ppt_funcs->get_fan_speed_percent(smu, speed);
if (smu->ppt_funcs->get_fan_speed_rpm) {
ret = smu->ppt_funcs->get_fan_speed_rpm(smu, &current_rpm);
if (!ret) {
percent = current_rpm * 100 / smu->fan_max_rpm;
*speed = percent > 100 ? 100 : percent;
}
}
mutex_unlock(&smu->mutex);
return ret;
}

21
drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c
View file

@ -1128,26 +1128,6 @@ static int arcturus_get_fan_speed_rpm(struct smu_context *smu,
speed);
}
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, &current_rpm);
if (ret)
return ret;
percent = current_rpm * 100 / pptable->FanMaximumRpm;
*speed = percent > 100 ? 100 : percent;
return ret;
}
static int arcturus_get_fan_parameters(struct smu_context *smu)
{
PPTable_t *pptable = smu->smu_table.driver_pptable;
@ -2338,7 +2318,6 @@ 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,
.get_power_profile_mode = arcturus_get_power_profile_mode,
.set_power_profile_mode = arcturus_set_power_profile_mode,

19
drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
View file

@ -1367,24 +1367,6 @@ static int navi10_get_fan_speed_rpm(struct smu_context *smu,
speed);
}
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 = navi10_get_fan_speed_rpm(smu, &current_rpm);
if (ret)
return ret;
percent = current_rpm * 100 / pptable->FanMaximumRpm;
*speed = percent > 100 ? 100 : percent;
return ret;
}
static int navi10_get_fan_parameters(struct smu_context *smu)
{
PPTable_t *pptable = smu->smu_table.driver_pptable;
@ -2606,7 +2588,6 @@ static const struct pptable_funcs navi10_ppt_funcs = {
.display_config_changed = navi10_display_config_changed,
.notify_smc_display_config = navi10_notify_smc_display_config,
.is_dpm_running = navi10_is_dpm_running,
.get_fan_speed_percent = navi10_get_fan_speed_percent,
.get_fan_speed_rpm = navi10_get_fan_speed_rpm,
.get_power_profile_mode = navi10_get_power_profile_mode,
.set_power_profile_mode = navi10_set_power_profile_mode,

19
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
View file

@ -1174,24 +1174,6 @@ static int sienna_cichlid_get_fan_speed_rpm(struct smu_context *smu,
speed);
}
static int sienna_cichlid_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 = sienna_cichlid_get_fan_speed_rpm(smu, &current_rpm);
if (ret)
return ret;
percent = current_rpm * 100 / pptable->FanMaximumRpm;
*speed = percent > 100 ? 100 : percent;
return ret;
}
static int sienna_cichlid_get_fan_parameters(struct smu_context *smu)
{
PPTable_t *pptable = smu->smu_table.driver_pptable;
@ -2753,7 +2735,6 @@ static const struct pptable_funcs sienna_cichlid_ppt_funcs = {
.display_config_changed = sienna_cichlid_display_config_changed,
.notify_smc_display_config = sienna_cichlid_notify_smc_display_config,
.is_dpm_running = sienna_cichlid_is_dpm_running,
.get_fan_speed_percent = sienna_cichlid_get_fan_speed_percent,
.get_fan_speed_rpm = sienna_cichlid_get_fan_speed_rpm,
.get_power_profile_mode = sienna_cichlid_get_power_profile_mode,
.set_power_profile_mode = sienna_cichlid_set_power_profile_mode,