drm/amd/ras: report how far a CPER record query got

Browse source

The caller walks the log with cper_start_id and resumes at
cper_start_id + real_cper_num, but the reply only counts the ids that
held a record. A batch id that holds nothing therefore never moves the
caller forward, and every such id makes it read the next populated batch
one more time. Count the ids covered instead.

The rewind to the last populated batch when the query starts at the end
has the same effect once the caller has drained the log, and the latest
id is already reported by the snapshot query, so drop it.

Signed-off-by: Xiang Liu <xiang.liu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Xiang Liu 2026-08-26 17:40:57 +08:00 • committed by Alex Deucher

parent 0165d4d5ab

commit 7b3cb1f9b9

1 changed files with 7 additions and 5 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

12

drivers/gpu/drm/amd/ras/core/cmd.c

View file