diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-01-29 13:04:18 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 22:19:44 +0300 |
| commit | 6ab8555e04ecd2278fdca54c33a7ddac7d4ba5d2 (patch) | |
| tree | f58109e970b10a250fdfdbbd57a3f4b4bac6a6a0 /drivers/gpu/drm/amd/include | |
| parent | 71d0a89812c9749fbb48c633f91512d51433989e (diff) | |
| download | linux-6ab8555e04ecd2278fdca54c33a7ddac7d4ba5d2.tar.xz | |
drm/amd/pp: Expose set/get_power_limit for DGPU
User can change power limit between
[0, 1] * max power limit.
Set power limit to 0, restore to max power limit.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/include')
| -rw-r--r-- | drivers/gpu/drm/amd/include/kgd_pp_interface.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h index 4f69fe8ca371..22c2fa30731f 100644 --- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h @@ -283,6 +283,8 @@ struct amd_pm_funcs { uint32_t mc_addr_low, uint32_t mc_addr_hi, uint32_t size); + int (*set_power_limit)(void *handle, uint32_t n); + int (*get_power_limit)(void *handle, uint32_t *limit, bool default_limit); /* export to DC */ u32 (*get_sclk)(void *handle, bool low); u32 (*get_mclk)(void *handle, bool low); |