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drm/amd/pm: Add read sensor support

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Add read sensor support for smu_v15_0_8

v2: Remove gfx voltage support (Lijo)

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Asad Kamal 2025-12-26 13:12:56 +08:00 committed by Alex Deucher
parent a6c2ecd95e
commit 1415503db0
1 changed files with 112 additions and 0 deletions
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112
drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0_8_ppt.c
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@ -434,6 +434,117 @@ static int smu_v15_0_8_get_current_clk_freq_by_table(struct smu_context *smu,
return smu_v15_0_8_get_smu_metrics_data(smu, member_type, value);
}
static int smu_v15_0_8_get_current_activity_percent(struct smu_context *smu,
enum amd_pp_sensors sensor,
uint32_t *value)
{
int ret = 0;
if (!value)
return -EINVAL;
switch (sensor) {
case AMDGPU_PP_SENSOR_GPU_LOAD:
ret = smu_v15_0_8_get_smu_metrics_data(smu,
METRICS_AVERAGE_GFXACTIVITY, value);
break;
case AMDGPU_PP_SENSOR_MEM_LOAD:
ret = smu_v15_0_8_get_smu_metrics_data(smu,
METRICS_AVERAGE_MEMACTIVITY, value);
break;
default:
dev_err(smu->adev->dev,
"Invalid sensor for retrieving clock activity\n");
return -EINVAL;
}
return ret;
}
static int smu_v15_0_8_thermal_get_temperature(struct smu_context *smu,
enum amd_pp_sensors sensor,
uint32_t *value)
{
int ret = 0;
if (!value)
return -EINVAL;
switch (sensor) {
case AMDGPU_PP_SENSOR_HOTSPOT_TEMP:
ret = smu_v15_0_8_get_smu_metrics_data(smu,
METRICS_TEMPERATURE_HOTSPOT, value);
break;
case AMDGPU_PP_SENSOR_MEM_TEMP:
ret = smu_v15_0_8_get_smu_metrics_data(smu,
METRICS_TEMPERATURE_MEM, value);
break;
default:
dev_err(smu->adev->dev, "Invalid sensor for retrieving temp\n");
return -EINVAL;
}
return ret;
}
static int smu_v15_0_8_read_sensor(struct smu_context *smu,
enum amd_pp_sensors sensor, void *data,
uint32_t *size)
{
struct smu_15_0_dpm_context *dpm_context = smu->smu_dpm.dpm_context;
int ret = 0;
if (amdgpu_ras_intr_triggered())
return 0;
if (!data || !size)
return -EINVAL;
switch (sensor) {
case AMDGPU_PP_SENSOR_MEM_LOAD:
case AMDGPU_PP_SENSOR_GPU_LOAD:
ret = smu_v15_0_8_get_current_activity_percent(smu, sensor,
(uint32_t *)data);
*size = 4;
break;
case AMDGPU_PP_SENSOR_GPU_INPUT_POWER:
ret = smu_v15_0_8_get_smu_metrics_data(smu,
METRICS_CURR_SOCKETPOWER,
(uint32_t *)data);
*size = 4;
break;
case AMDGPU_PP_SENSOR_HOTSPOT_TEMP:
case AMDGPU_PP_SENSOR_MEM_TEMP:
ret = smu_v15_0_8_thermal_get_temperature(smu, sensor,
(uint32_t *)data);
*size = 4;
break;
case AMDGPU_PP_SENSOR_GFX_MCLK:
ret = smu_v15_0_8_get_current_clk_freq_by_table(smu,
SMU_UCLK, (uint32_t *)data);
/* the output clock frequency in 10K unit */
*(uint32_t *)data *= 100;
*size = 4;
break;
case AMDGPU_PP_SENSOR_GFX_SCLK:
ret = smu_v15_0_8_get_current_clk_freq_by_table(smu,
SMU_GFXCLK, (uint32_t *)data);
*(uint32_t *)data *= 100;
*size = 4;
break;
case AMDGPU_PP_SENSOR_VDDBOARD:
*(uint32_t *)data = dpm_context->board_volt;
*size = 4;
break;
case AMDGPU_PP_SENSOR_GPU_AVG_POWER:
default:
ret = -EOPNOTSUPP;
break;
}
return ret;
}
static int smu_v15_0_8_emit_clk_levels(struct smu_context *smu,
enum smu_clk_type type, char *buf,
int *offset)
@ -1816,6 +1927,7 @@ static const struct pptable_funcs smu_v15_0_8_ppt_funcs = {
.set_power_limit = smu_v15_0_8_set_power_limit,
.get_ppt_limit = smu_v15_0_8_get_ppt_limit,
.emit_clk_levels = smu_v15_0_8_emit_clk_levels,
.read_sensor = smu_v15_0_8_read_sensor,
.populate_umd_state_clk = smu_v15_0_8_populate_umd_state_clk,
.set_performance_level = smu_v15_0_8_set_performance_level,
.od_edit_dpm_table = smu_v15_0_8_od_edit_dpm_table,