diff options
| author | shaoyunl <[email protected]> | 2019-03-20 16:14:56 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2019-03-27 22:40:43 -0500 |
| commit | df399b064118bf9a5b9a3faaa67feb1cbb34e9d4 (patch) | |
| tree | ffd8647d3ca96106447b562eebcf1f3c89cb6a3c /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | adc7e863f68466aa63861242449c2c0fd57d60ab (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 <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 865e067b1b5b..7cee269ec3e3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2018,6 +2018,10 @@ 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) |