drm/amdgpu: Report vm fault status HI32 when avaialble

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VM fault status is 64 bits on gfxhub v12_1 and
mmhub v4_2, with fields such as FED located in the
upper status register.

Add an optional HI32 fault status callback to help
identify FED status on gfxhub v12_1 and mmhub v4_2

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Horatio Zhang <hongkun.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Hawking Zhang 2026-08-07 23:18:21 +08:00 • committed by Alex Deucher

parent 958ac1732d

commit 1c287e517d

4 changed files with 45 additions and 8 deletions

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3

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

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20

drivers/gpu/drm/amd/amdgpu/gfxhub_v12_1.c

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10

drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c

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20

drivers/gpu/drm/amd/amdgpu/mmhub_v4_2_0.c

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