From d8aec262495a97021b7f2334c1461de475613bba Mon Sep 17 00:00:00 2001 From: shaoyunl Date: Mon, 15 Apr 2019 11:22:38 -0400 Subject: [PATCH 1792/2940] drm/powerplay : send SMC message to set XGMI pstate Send message with parameter to SMC to set xgmi pstate Change-Id: I5d90cffd63690f31f0df62c206b263d300f14234 Signed-off-by: shaoyunl Reviewed-by: Evan Quan --- drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 9 +++++++-- 1 file 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 @@ static int smu_v11_0_set_fan_speed_rpm(struct smu_context *smu, 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 = { -- 2.17.1