diff options
| author | Kevin Wang <Kevin1.Wang@amd.com> | 2019-01-17 13:15:48 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:03:58 -0500 |
| commit | 0989532330e1e7d25693c14b3d57288aa4915f81 (patch) | |
| tree | 34002bb1560b8bcea5af25b91d130970b59d6d4c | |
| parent | drm/amd/powerplay: implement sensor of get feature mask (diff) | |
| download | linux-0989532330e1e7d25693c14b3d57288aa4915f81.tar.gz linux-0989532330e1e7d25693c14b3d57288aa4915f81.zip | |
drm/amd/powerplay: implement sysfs of get num states function
add function smu_get_power_num_state function for sw-smu.
it's only for sysfs interface, the power state feature is not ready for sw-smu.
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>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 1 |
3 files changed, 20 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c index 53b470c30da4..5eda007ea632 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c @@ -350,9 +350,13 @@ static ssize_t amdgpu_get_pp_num_states(struct device *dev, struct drm_device *ddev = dev_get_drvdata(dev); struct amdgpu_device *adev = ddev->dev_private; struct pp_states_info data; - int i, buf_len; + int i, buf_len, ret; - if (adev->powerplay.pp_funcs->get_pp_num_states) + if (is_support_sw_smu(adev)) { + ret = smu_get_power_num_states(&adev->smu, &data); + if (ret) + return ret; + } else if (adev->powerplay.pp_funcs->get_pp_num_states) amdgpu_dpm_get_pp_num_states(adev, &data); buf_len = snprintf(buf, PAGE_SIZE, "states: %d\n", data.nums); diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 012d2790da8a..b4d6046d5f23 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -29,6 +29,19 @@ #include "smu_v11_0.h" #include "atom.h" +int smu_get_power_num_states(struct smu_context *smu, + struct pp_states_info *state_info) +{ + if (!state_info) + return -EINVAL; + + /* not support power state */ + memset(state_info, 0, sizeof(struct pp_states_info)); + state_info->nums = 0; + + return 0; +} + int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor, void *data, uint32_t *size) { diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index 2e89a59ed06c..4498059f5e05 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -381,5 +381,6 @@ int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor, void *data, uint32_t *size); int smu_sys_get_pp_table(struct smu_context *smu, void **table); int smu_sys_set_pp_table(struct smu_context *smu, void *buf, size_t size); +int smu_get_power_num_states(struct smu_context *smu, struct pp_states_info *state_info); #endif |