Driver need to call SMU to set xgmi pstate Change-Id: Iad7fd0e3b3155e45be8fe9119686c5bafa3c176c Signed-off-by: shaoyunl <shaoyun.liu@xxxxxxx> --- 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 3368347..a48c84c 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; } -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
