drm/amdgpu: add badpages sysfs interafce

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add badpages node.
it will output badpages list in format
gpu pfn : gpu page size : flags

example
0x00000000 : 0x00001000 : R
0x00000001 : 0x00001000 : R
0x00000002 : 0x00001000 : R
0x00000003 : 0x00001000 : R
0x00000004 : 0x00001000 : R
0x00000005 : 0x00001000 : R
0x00000006 : 0x00001000 : R
0x00000007 : 0x00001000 : P
0x00000008 : 0x00001000 : P
0x00000009 : 0x00001000 : P

flags can be one of below characters
R: reserved.
P: pending for reserve.
F: failed to reserve for some reasons.

Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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xinhui pan 2019-05-07 11:53:31 +08:00 • committed by Alex Deucher

parent 3058770ae3

commit 466b179346

2 changed files with 147 additions and 0 deletions

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146

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

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1

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

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