drm/amdgpu: Implement DPC recovery

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Add PCI Downstream Port Containment (DPC) with
basic recovery functionality

v2: remove pci_save_state to avoid breaking suspend/resume
v3: Fix style comments
v4: Improve description.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Andrey Grodzovsky 2020-07-29 12:59:45 -04:00 • committed by Alex Deucher

parent 2a9787dcf5

commit c9a6b82f45

3 changed files with 177 additions and 1 deletions

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8

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

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161

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

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9

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

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