diff options
| author | Kevin Wang | 2019-01-17 06:15:48 +0100 |
|---|---|---|
| committer | Alex Deucher | 2019-03-19 21:03:58 +0100 |
| commit | 0989532330e1e7d25693c14b3d57288aa4915f81 (patch) | |
| tree | 34002bb1560b8bcea5af25b91d130970b59d6d4c /drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | |
| parent | drm/amd/powerplay: implement sensor of get feature mask (diff) | |
| download | kernel-qcow2-linux-0989532330e1e7d25693c14b3d57288aa4915f81.tar.gz kernel-qcow2-linux-0989532330e1e7d25693c14b3d57288aa4915f81.tar.xz kernel-qcow2-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>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amdgpu_smu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 13 |
1 files changed, 13 insertions, 0 deletions
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) { |