linux-stable.git/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c, branch v6.14 Linux kernel stable tree drm/amdgpu: correct the calculation of RAS bad page 2024-12-10T15:26:51+00:00 Tao Zhou tao.zhou1@amd.com 2024-11-29T08:52:41+00:00 ae756cd8536923841b45340f7ee369272c9bf105 After the introduction of NPS RAS, one bad page record on eeprom may be related to 1 or 16 bad pages, so the bad page record and bad page are two different concepts, define a new variable to store bad page number. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
After the introduction of NPS RAS, one bad page record on eeprom may be
related to 1 or 16 bad pages, so the bad page record and bad page are
two different concepts, define a new variable to store bad page number.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: parse legacy RAS bad page mixed with new data in various NPS modes 2024-12-10T15:26:48+00:00 Tao Zhou tao.zhou1@amd.com 2024-10-31T07:48:10+00:00 a8d133e625ceb147a173b6cafc862a9bd4312894 All legacy RAS bad pages are generated in NPS1 mode, but new bad page can be generated in any NPS mode, so we can't use retired_page stored on eeprom directly in non-nps1 mode even for legacy data. We need to take different actions for different data, new data can be identified from old data by UMC_CHANNEL_IDX_V2 flag. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
All legacy RAS bad pages are generated in NPS1 mode, but new bad page
can be generated in any NPS mode, so we can't use retired_page stored
on eeprom directly in non-nps1 mode even for legacy data. We need to
take different actions for different data, new data can be identified
from old data by UMC_CHANNEL_IDX_V2 flag.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: save UMC global channel index to eeprom 2024-12-10T15:26:46+00:00 Tao Zhou tao.zhou1@amd.com 2024-10-29T11:46:44+00:00 71a0e9630027f77d7646c5b750593c9ecfaa27d3 Save the global channel index returned by RAS TA to eeprom. We can get memory physical address by MCA address and channel index. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Save the global channel index returned by RAS TA to eeprom.
We can get memory physical address by MCA address and channel index.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: add function to find all memory pages in one physical row 2024-12-10T15:26:46+00:00 Tao Zhou tao.zhou1@amd.com 2024-10-24T06:46:19+00:00 b02ef407729d9eb26fbc74ca229e28dbe971e1c1 And the function can be reused across amdgpu driver. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
And the function can be reused across amdgpu driver.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: add return value for convert_ras_err_addr 2024-12-10T15:26:46+00:00 Tao Zhou tao.zhou1@amd.com 2024-10-18T08:43:44+00:00 f44a30583bcf2b9c3846264515d618d349e67485 So upper layer can return failure directly if address conversion fails. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
So upper layer can return failure directly if address conversion fails.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: reduce memory usage for umc_lookup_bad_pages_in_a_row 2024-12-10T15:26:46+00:00 Tao Zhou tao.zhou1@amd.com 2024-10-18T08:21:26+00:00 76723fbc5f8632570c6079a2f497c2f2132bce98 The function handles one page in one time, allocating umc.retire_unit bad page records is enough. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
The function handles one page in one time, allocating umc.retire_unit
bad page records is enough.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: make convert_ras_err_addr visible outside UMC block 2024-12-10T15:26:45+00:00 Tao Zhou tao.zhou1@amd.com 2024-10-17T07:51:54+00:00 4e7812e2372bc02809ca6eed285096baffee0ebf And change some UMC v12 specific functions to generic version, so the code can be shared. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
And change some UMC v12 specific functions to generic version, so the
code can be shared.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Implement virt req_ras_err_count 2024-11-11T16:55:42+00:00 Victor Skvortsov victor.skvortsov@amd.com 2024-10-30T14:18:00+00:00 84a2947ecc85c67f433f2cc2186e54cdb9047b61 Enable RAS late init if VF RAS Telemetry is supported. When enabled, the VF can use this interface to query total RAS error counts from the host. The VF FB access may abruptly end due to a fatal error, therefore the VF must cache and sanitize the input. The Host allows 15 Telemetry messages every 60 seconds, afterwhich the host will ignore any more in-coming telemetry messages. The VF will rate limit its msg calling to once every 5 seconds (12 times in 60 seconds). While the VF is rate limited, it will continue to report the last good cached data. v2: Flip generate report & update statistics order for VF Signed-off-by: Victor Skvortsov <victor.skvortsov@amd.com> Acked-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Zhigang Luo <zhigang.luo@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Enable RAS late init  if VF RAS Telemetry is supported.

When enabled, the VF can use this interface to query total
RAS error counts from the host.

The VF FB access may abruptly end due to a fatal error,
therefore the VF must cache and sanitize the input.

The Host allows 15 Telemetry messages every 60 seconds, afterwhich
the host will ignore any more in-coming telemetry messages. The VF will
rate limit its msg calling to once every 5 seconds (12 times in 60 seconds).
While the VF is rate limited, it will continue to report the last
good cached data.

v2: Flip generate report & update statistics order for VF

Signed-off-by: Victor Skvortsov <victor.skvortsov@amd.com>
Acked-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Zhigang Luo <zhigang.luo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: create function to check RAS RMA status 2024-08-06T15:11:01+00:00 Tao Zhou tao.zhou1@amd.com 2024-08-01T06:26:19+00:00 792be2e23ac69821db7860ba4ba94592101f0b07 In the convenience of calling it globally. Signed-off-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
In the convenience of calling it globally.

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Remove unused code 2024-07-23T21:32:20+00:00 YiPeng Chai YiPeng.Chai@amd.com 2024-07-11T08:27:08+00:00 a7e8467fbeee654e390aad1736291d273b407a2c Remove unused code. Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> 
Remove unused code.

Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>