drm/amdgpu: Fix pci platform speed and width

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The new Vega series GPU cards have in-built bridges. To get the pcie
speed and width supported by the platform walk the hierarchy and get the
slowest link.

Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Harish Kasiviswanathan 2019-02-01 17:57:48 -05:00 • committed by Alex Deucher

parent 2c850b7b9e

commit c53134577c

1 changed files with 46 additions and 12 deletions

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

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