diff options
| author | shaoyunl <shaoyun.liu@amd.com> | 2019-04-15 11:22:38 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-04-19 11:32:32 -0500 |
| commit | a1b11201af9a934f0c4b2218c25a7b75ca2ff42a (patch) | |
| tree | 321e61d0ee043c9e503cb81d831c7874c12bc092 /drivers/gpu | |
| parent | 46dd9ff7246fd21cc4228a4e7e1d40c30f210dec (diff) | |
drm/powerplay : send SMC message to set XGMI pstate
Send message with parameter to SMC to set xgmi pstate
Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c index c478b38662d0..92903a4cc4d8 100644 --- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c +++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c @@ -1896,8 +1896,13 @@ set_fan_speed_rpm_failed: static int smu_v11_0_set_xgmi_pstate(struct smu_context *smu, uint32_t pstate) { - /* send msg to SMU to set pstate */ - return 0; + int ret = 0; + mutex_lock(&(smu->mutex)); + ret = smu_send_smc_msg_with_param(smu, + SMU_MSG_SetXgmiMode, + pstate ? XGMI_STATE_D0 : XGMI_STATE_D3); + mutex_unlock(&(smu->mutex)); + return ret; } static const struct smu_funcs smu_v11_0_funcs = { |