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If the number of badpage records exceed the threshold, driver has
updated both epprom header and control->tbl_hdr.header before gpu reset,
therefore GPU recovery thread no need to read epprom header directly.
v2: merge amdgpu_ras_check_err_threshold into amdgpu_ras_eeprom_check_err_threshold
Signed-off-by: Dennis Li <Dennis.Li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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When GPU executes recovery and retriving bad GPU tag
from external eerpom device, the recovery will be broken
and error message is printed as well for user's awareness.
v2: Refine warning message in threshold reaching case, and
fix spelling typo.
v3: Fix explicit calling of bad gpu.
v4: Rename function names.
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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When retrieving bad gpu tag from eeprom, GPU init should
fail as the GPU needs to be retired for further check.
v2: Fix spelling typo, correct the condition to detect
bad gpu tag and refine error message.
v3: Refine function argument name.
v4: Fix missing check of returning value of i2c
initialization error case.
v5: Use dev_err to print PCI information in dmesg instead
of DRM_ERROR.
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Bad page threshold value should be valid in the range between
-1 and max records length of eeprom. It could determine when
saved bad pages exceed threshold value, and proceed corresponding
actions.
v2: When using the default typical value, it should be min
value between typical value and eeprom max records length.
v3: drop the case of setting bad_page_cnt_threshold to be
0xFFFFFFFF, as it confuses user.
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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It's not really ras related. It's just a lock for the
bus in general. This removes the ras dependency from
the smu i2c bus.
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Puts the i2c adapter in common place for sharing by RAS
and upcoming data read from FRU EEPROM feature.
v2:
Move i2c adapter to amdgpu_pm and rename it.
v3: Move i2c adapter init to ASIC specific code and get rid
of the switch case in amdgpu_device
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Updated target I2C address
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This will allow to reset the table on the fly.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add RAS EEPROM table manager to eanble RAS errors to be stored
upon appearance and retrived on driver load.
v2: Fix some prints.
v3:
Fix checksum calculation.
Make table record and header structs packed to do correct byte value sum.
Fix record crossing EEPROM page boundry.
v4:
Fix byte sum val calculation for record - look at sizeof(record).
Fix some style comments.
v5: Add description to EEPROM_TABLE_RECORD_SIZE and syntax fixes.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Luben Tuikov <Luben.Tuikov@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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