diff options
| author | Evan Quan <evan.quan@amd.com> | 2019-10-10 05:34:51 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-15 21:48:09 +0200 |
| commit | 06615f9a0c0d68566fc069729aade64a7dbadd58 (patch) | |
| tree | 97128c45152602d01ea0c982e802b34346a4da08 /drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | |
| parent | drm/amdgpu/swSMU/navi: add feature toggles for more things (diff) | |
| download | linux-06615f9a0c0d68566fc069729aade64a7dbadd58.tar.xz linux-06615f9a0c0d68566fc069729aade64a7dbadd58.zip | |
drm/amd/powerplay: enable df cstate control on powerplay routine
Currently this is only supported on Vega20 with 40.50 and later
SMC firmware.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c index f5915308e643..6629c475fe5d 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c @@ -4155,6 +4155,24 @@ static int vega20_smu_i2c_bus_access(struct pp_hwmgr *hwmgr, bool acquire) return res; } +static int vega20_set_df_cstate(struct pp_hwmgr *hwmgr, + enum pp_df_cstate state) +{ + int ret; + + /* PPSMC_MSG_DFCstateControl is supported with 40.50 and later fws */ + if (hwmgr->smu_version < 0x283200) { + pr_err("Df cstate control is supported with 40.50 and later SMC fw!\n"); + return -EINVAL; + } + + ret = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_DFCstateControl, state); + if (ret) + pr_err("SetDfCstate failed!\n"); + + return ret; +} + static const struct pp_hwmgr_func vega20_hwmgr_funcs = { /* init/fini related */ .backend_init = vega20_hwmgr_backend_init, @@ -4223,6 +4241,7 @@ static const struct pp_hwmgr_func vega20_hwmgr_funcs = { .set_asic_baco_state = vega20_baco_set_state, .set_mp1_state = vega20_set_mp1_state, .smu_i2c_bus_access = vega20_smu_i2c_bus_access, + .set_df_cstate = vega20_set_df_cstate, }; int vega20_hwmgr_init(struct pp_hwmgr *hwmgr) |