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From 9ef916e2c5bf51b9f9ba216c1edec31e7baf7528 Mon Sep 17 00:00:00 2001
From: shaoyunl <shaoyun.liu@amd.com>
Date: Fri, 5 Apr 2019 11:55:27 -0400
Subject: [PATCH 1765/2940] drm/amdgpu: Set proper function to set xgmi pstate
Driver need to call SMU to set xgmi pstate
Change-Id: Iad7fd0e3b3155e45be8fe9119686c5bafa3c176c
Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index 336834797af3..a48c84c51775 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -24,6 +24,7 @@
#include <linux/list.h>
#include "amdgpu.h"
#include "amdgpu_xgmi.h"
+#include "amdgpu_smu.h"
static DEFINE_MUTEX(xgmi_mutex);
@@ -216,7 +217,17 @@ int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate)
if (hive->pstate == pstate)
return 0;
- /* Todo : sent the message to SMU for pstate change */
+
+ dev_dbg(adev->dev, "Set xgmi pstate %d.\n", pstate);
+
+ if (is_support_sw_smu(adev))
+ ret = smu_set_xgmi_pstate(&adev->smu, pstate);
+ if (ret)
+ dev_err(adev->dev,
+ "XGMI: Set pstate failure on device %llx, hive %llx, ret %d",
+ adev->gmc.xgmi.node_id,
+ adev->gmc.xgmi.hive_id, ret);
+
return ret;
}
--
2.17.1
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