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drm/amdgpu: Set proper function to set xgmi pstate 

Driver need to call SMU 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 2019-04-05 11:55:27 -04:00 committed by Alex Deucher
parent e911671cd0
commit 93abb05fd5
1 changed files with 12 additions and 1 deletions
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13
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
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@ -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;
}