drm/amdgpu: Add reg_state sysfs attribute

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Add reg_state attribute to fetch the register snapshot of different
IPs like XGMI, WAFL,PCIE and USR. To get a snapshot for a particular IP
	1) Open the sysfs file
	2) Seek to the offset as defined in amdgpu_sysfs_reg_offset
	3) Read

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Lijo Lazar 2023-10-06 13:49:03 +05:30 • committed by Alex Deucher

parent 9a5095e785

commit af39e6f4d8

2 changed files with 75 additions and 0 deletions

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62

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

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13

drivers/gpu/drm/amd/include/amdgpu_reg_state.h

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