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>

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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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4

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

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2

drivers/gpu/drm/amd/amdgpu/amdgpu_object.h

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21

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

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4

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h

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16

drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c

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10

drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h

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