kernel/linux.git/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h, branch linux-6.9.y

drm/amdgpu: Set EEPROM ras info

2023-06-09T16:44:40+00:00

Set EEPROM ras info: rma status, health percent and bad page threshold. Signed-off-by: Stanley.Yang Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher

drm/amdgpu: Add support EEPROM table v2.1

2023-06-09T16:44:34+00:00

Add ras info to EEPROM table, app can analyse device ECC status without GPU driver through EEPROM table ras info. Signed-off-by: Stanley.Yang Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher

drm/amdgpu: Add RAS table v2.1 macro definition

2023-06-09T16:44:28+00:00

Add RAS EEPROM table version 2.1 macro definition. Signed-off-by: Stanley.Yang Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher

drm/amdgpu: Rename ras table version

2023-06-09T16:44:24+00:00

Rename RAS_TABLE_VER to RAS_TABLE_VER_V1, move RAS_TABLE_VER_V1 from amdgpu_ras_eeprom.c to amdgpu_ras_eeprom.h. Signed-off-by: Stanley.Yang Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher

drm/amdgpu: message smu to update bad channel info

2022-03-15T18:25:16+00:00

It should notice SMU to update bad channel info when detected uncorrectable error in UMC block Signed-off-by: Stanley.Yang Reviewed-by: Tao Zhou Signed-off-by: Alex Deucher

drm/amdgpu: Drop inline from amdgpu_ras_eeprom_max_record_count

2021-09-16T13:56:24+00:00

This was unusual; normally, inline functions are declared static as well, and defined in a header file if used by multiple compilation units. The latter would be more involved in this case, so just drop the inline declaration for now. Fixes compile failure building for ppc64le on RHEL 8: In file included from ../drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h:32, from ../drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:33: ../drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c: In function ‘amdgpu_ras_recovery_init’: ../drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h:90:17: error: inlining failed in call to ‘always_inline’ ‘amdgpu_ras_eeprom_max_record_count’: function body not available 90 | inline uint32_t amdgpu_ras_eeprom_max_record_count(void); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c:1985:34: note: called from here 1985 | max_eeprom_records_len = amdgpu_ras_eeprom_max_record_count(); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Fixes: c84d46707ebb "drm/amdgpu: validate bad page threshold in ras(v3)" Reviewed-by: Lyude Paul Signed-off-by: Michel Dänzer Signed-off-by: Alex Deucher

drm/amdgpu: RAS EEPROM table is now in debugfs

2021-07-01T04:24:41+00:00

Add "ras_eeprom_size" file in debugfs, which reports the maximum size allocated to the RAS table in EEROM, as the number of bytes and the number of records it could store. For instance, $cat /sys/kernel/debug/dri/0/ras/ras_eeprom_size 262144 bytes or 10921 records $_ Add "ras_eeprom_table" file in debugfs, which dumps the RAS table stored EEPROM, in a formatted way. For instance, $cat ras_eeprom_table Signature Version FirstOffs Size Checksum 0x414D4452 0x00010000 0x00000014 0x000000EC 0x000000DA Index Offset ErrType Bank/CU TimeStamp Offs/Addr MemChl MCUMCID RetiredPage 0 0x00014 ue 0x00 0x00000000607608DC 0x000000000000 0x00 0x00 0x000000000000 1 0x0002C ue 0x00 0x00000000607608DC 0x000000001000 0x00 0x00 0x000000000001 2 0x00044 ue 0x00 0x00000000607608DC 0x000000002000 0x00 0x00 0x000000000002 3 0x0005C ue 0x00 0x00000000607608DC 0x000000003000 0x00 0x00 0x000000000003 4 0x00074 ue 0x00 0x00000000607608DC 0x000000004000 0x00 0x00 0x000000000004 5 0x0008C ue 0x00 0x00000000607608DC 0x000000005000 0x00 0x00 0x000000000005 6 0x000A4 ue 0x00 0x00000000607608DC 0x000000006000 0x00 0x00 0x000000000006 7 0x000BC ue 0x00 0x00000000607608DC 0x000000007000 0x00 0x00 0x000000000007 8 0x000D4 ue 0x00 0x00000000607608DD 0x000000008000 0x00 0x00 0x000000000008 $_ Cc: Alexander Deucher Cc: Andrey Grodzovsky Cc: John Clements Cc: Hawking Zhang Cc: Xinhui Pan Signed-off-by: Luben Tuikov Acked-by: Alexander Deucher Signed-off-by: Alex Deucher

drm/amdgpu: Optimize EEPROM RAS table I/O

2021-07-01T04:24:41+00:00

Split functionality between read and write, which simplifies the code and exposes areas of optimization and more or less complexity, and take advantage of that. Read and write the table in one go; use a separate stage to decode or encode the data, as opposed to on the fly, which keeps the I2C bus busy. Use a single read/write to read/write the table or at most two if the number of records we're reading/writing wraps around. Check the check-sum of a table in EEPROM on init. Update the checksum at the same time as when updating the table header signature, when the threshold was increased on boot. Take advantage of arithmetic modulo 256, that is, use a byte!, to greatly simplify checksum arithmetic. Cc: Alexander Deucher Cc: Andrey Grodzovsky Signed-off-by: Luben Tuikov Acked-by: Alexander Deucher Signed-off-by: Alex Deucher

drm/amdgpu: Get rid of test function

2021-07-01T04:24:41+00:00

The code is now tested from userspace. Remove already macroed out test function. Cc: Alexander Deucher Cc: Andrey Grodzovsky Signed-off-by: Luben Tuikov Reviewed-by: Alexander Deucher Signed-off-by: Alex Deucher

drm/amdgpu: Some renames

2021-07-01T04:24:41+00:00

Qualify with "ras_". Use kernel's own--don't redefine your own. Cc: Alexander Deucher Cc: Andrey Grodzovsky Signed-off-by: Luben Tuikov Reviewed-by: Alexander Deucher Signed-off-by: Alex Deucher