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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_xgmi.h | |
| parent | a690aa0f459eba3e768257a655c82b24d14dcc88 (diff) | |
| download | linux-9b638f9751308ae3ae8f28e0c6e9decffd97f5f9.tar.gz linux-9b638f9751308ae3ae8f28e0c6e9decffd97f5f9.tar.bz2 linux-9b638f9751308ae3ae8f28e0c6e9decffd97f5f9.zip | |
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_xgmi.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h index 24a3b0362f98..7e1710fcbef2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h @@ -33,11 +33,13 @@ struct amdgpu_hive_info { struct kobject *kobj; struct device_attribute dev_attr; struct amdgpu_device *adev; + int pstate; /*0 -- low , 1 -- high , -1 unknown*/ }; struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev, int lock); int amdgpu_xgmi_update_topology(struct amdgpu_hive_info *hive, struct amdgpu_device *adev); int amdgpu_xgmi_add_device(struct amdgpu_device *adev); void amdgpu_xgmi_remove_device(struct amdgpu_device *adev); +int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate); #endif |