linux.git/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h, branch v5.11 Linux kernel source tree drm/amdgpu: break GPU recovery once it's in bad state(v4) 2020-08-04T21:26:54+00:00 Guchun Chen guchun.chen@amd.com 2020-07-23T08:20:02+00:00 e8fbaf03429d085b05e66b153a8363b746c94b43 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> 
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>
drm/amdgpu: break driver init process when it's bad GPU(v5) 2020-08-04T21:26:31+00:00 Guchun Chen guchun.chen@amd.com 2020-07-23T07:42:19+00:00 b82e65a93510465cb4c203c938245f137a4e95dc 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> 
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>
drm/amdgpu: validate bad page threshold in ras(v3) 2020-08-04T21:25:58+00:00 Guchun Chen guchun.chen@amd.com 2020-07-22T02:00:27+00:00 c84d46707ebbfc303268e27d5aeb8bb4e6d5b1ff 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> 
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>
drm/amdgpu: move i2c bus lock out of ras structure 2020-07-21T19:37:40+00:00 Alex Deucher alexander.deucher@amd.com 2020-07-17T13:25:38+00:00 84dd1f698e5fc2b4c1df3ea05371d2fff13c665c 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> 
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>
drm/amdgpu: Move EEPROM I2C adapter to amdgpu_device 2020-03-16T20:21:32+00:00 Andrey Grodzovsky andrey.grodzovsky@amd.com 2020-03-12T21:11:32+00:00 9015d60c9ee106cef0c8b969f998ca157f401605 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> 
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>
drm/amdgpu: Resolved offchip EEPROM I/O issue 2019-11-26T17:20:22+00:00 John Clements john.clements@amd.com 2019-11-25T10:24:17+00:00 5985ebbe78bba0058429c1482442aa64d14c1ce2 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> 
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>
drm/amdgpu: Add amdgpu_ras_eeprom_reset_table 2019-09-16T15:06:27+00:00 Andrey Grodzovsky andrey.grodzovsky@amd.com 2019-09-09T19:59:45+00:00 d01b400b1aaeb37eb28a1df22f548309ab35d482 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> 
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>
drm/amdgpu: Add RAS EEPROM table. 2019-08-27T13:17:14+00:00 Andrey Grodzovsky andrey.grodzovsky@amd.com 2019-05-30T15:01:26+00:00 64f55e629237e4752db18df4d6969a69e3f4835a 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> 
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>