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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>
This commit is contained in:
shaoyunl 2019-04-15 11:22:38 -04:00 committed by Alex Deucher
parent 46dd9ff724
commit a1b11201af
1 changed files with 7 additions and 2 deletions
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9
drivers/gpu/drm/amd/powerplay/smu_v11_0.c
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@ -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 = {