diff options
| author | shaoyunl <shaoyun.liu@amd.com> | 2019-03-20 16:14:56 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-27 22:40:43 -0500 |
| commit | df399b064118bf9a5b9a3faaa67feb1cbb34e9d4 (patch) | |
| tree | ffd8647d3ca96106447b562eebcf1f3c89cb6a3c /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | |
| 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 <shaoyun.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index 520122be798b..f586b38f3076 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -324,6 +324,10 @@ struct amdgpu_vm_manager { */ struct idr pasid_idr; spinlock_t pasid_lock; + + /* counter of mapped memory through xgmi */ + uint32_t xgmi_map_counter; + struct mutex lock_pstate; }; #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count))) |