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| author | shaoyunl <shaoyun.liu@amd.com> | 2019-02-21 16:30:25 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:36:48 -0500 |
| commit | 9b638f9751308ae3ae8f28e0c6e9decffd97f5f9 (patch) | |
| tree | f64c4de40d4e49ea3f11ba79dbc3e65bd514c2fa /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | a690aa0f459eba3e768257a655c82b24d14dcc88 (diff) | |
drm/amdgpu: XGMI pstate switch initial support
Driver vote low to high pstate switch whenever there is an outstanding
XGMI mapping request. Driver vote high to low pstate when all the
outstanding XGMI mapping is terminated.
Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 05cd5c460a1d..1de5b2a9921b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1999,6 +1999,9 @@ static void amdgpu_device_ip_late_init_func_handler(struct work_struct *work) r = amdgpu_device_enable_mgpu_fan_boost(); if (r) DRM_ERROR("enable mgpu fan boost failed (%d).\n", r); + + /*set to low pstate by default */ + amdgpu_xgmi_set_pstate(adev, 0); } static void amdgpu_device_delay_enable_gfx_off(struct work_struct *work) |