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drm/amdgpu: XGMI pstate switch initial support

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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>
This commit is contained in:
shaoyunl
2019-03-20 16:14:56 -04:00
committed by Alex Deucher
parent adc7e863f6
commit df399b0641
6 changed files with 56 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
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@@ -72,6 +72,8 @@ struct amdgpu_bo_va {
/* If the mappings are cleared or filled */
bool cleared;
bool is_xgmi;
};
struct amdgpu_bo {