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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.h | |
| parent | a690aa0f459eba3e768257a655c82b24d14dcc88 (diff) | |
| download | lwn-9b638f9751308ae3ae8f28e0c6e9decffd97f5f9.tar.gz lwn-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.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 374e1d2f2456..baad21e8e8f2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -925,6 +925,10 @@ struct amdgpu_device { int asic_reset_res; struct work_struct xgmi_reset_work; + + /* counter of mapped memory through xgmi */ + atomic_t xgmi_map_counter; + }; static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev) |