diff options
| author | Kevin Wang | 2019-01-11 07:51:24 +0100 |
|---|---|---|
| committer | Alex Deucher | 2019-03-19 21:03:57 +0100 |
| commit | 4a5a2de66686e317ddcb090e3b1ee45b4219003a (patch) | |
| tree | e5b1e9f5eed28c3920c9ee810849269342b434d6 /drivers/gpu/drm/amd/powerplay/smu_v11_0.c | |
| parent | drm/amd/powerplay: implement is_support_sw_smu function for new smu (diff) | |
| download | kernel-qcow2-linux-4a5a2de66686e317ddcb090e3b1ee45b4219003a.tar.gz kernel-qcow2-linux-4a5a2de66686e317ddcb090e3b1ee45b4219003a.tar.xz kernel-qcow2-linux-4a5a2de66686e317ddcb090e3b1ee45b4219003a.zip | |
drm/amd/powerplay: implement sysfs of amdgpu_get_busy_percent for smu11
add interface amdgpu_get_busy_percent for smu11
v2: convert data pointer type to uint32_t *.
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smu_v11_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index 8ba6b9f71fdd..e6b16b64a778 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -990,6 +990,46 @@ static int smu_v11_0_start_thermal_control(struct smu_context *smu) return ret; } +static int smu_v11_0_get_current_activity_percent(struct smu_context *smu, + uint32_t *value) +{ + int ret = 0; + SmuMetrics_t metrics; + + if (!value) + return -EINVAL; + + ret = smu_update_table(smu, TABLE_SMU_METRICS, (void *)&metrics, false); + if (ret) + return ret; + + *value = metrics.AverageGfxActivity; + + return 0; +} + +static int smu_v11_0_read_sensor(struct smu_context *smu, + enum amd_pp_sensors sensor, + void *data, uint32_t *size) +{ + int ret = 0; + switch (sensor) { + case AMDGPU_PP_SENSOR_GPU_LOAD: + ret = smu_v11_0_get_current_activity_percent(smu, + (uint32_t *)data); + *size = 4; + break; + default: + ret = -EINVAL; + break; + } + + if (ret) + *size = 0; + + return ret; +} + static const struct smu_funcs smu_v11_0_funcs = { .init_microcode = smu_v11_0_init_microcode, .load_microcode = smu_v11_0_load_microcode, @@ -1022,6 +1062,7 @@ static const struct smu_funcs smu_v11_0_funcs = { .get_current_clk_freq = smu_v11_0_get_current_clk_freq, .init_max_sustainable_clocks = smu_v11_0_init_max_sustainable_clocks, .start_thermal_control = smu_v11_0_start_thermal_control, + .read_sensor = smu_v11_0_read_sensor, }; void smu_v11_0_set_smu_funcs(struct smu_context *smu) |