From: shaoyunl <shaoyun.liu@amd.com>
Date: Mon, 15 Apr 2019 15:22:38 +0000 (-0400)
Subject: drm/powerplay : send SMC message to set XGMI pstate
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a1b11201af9a934f0c4b2218c25a7b75ca2ff42a;p=openwrt%2Fstaging%2Fblogic.git

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>
---

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 = {