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author | Tejas Upadhyay <tejas.upadhyay@intel.com> | 2025-07-10 07:59:45 +0300 |
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committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2025-07-17 15:45:19 +0300 |
commit | fd25fa90edcfd4db5bf69c11621021a7cfd11d53 (patch) | |
tree | 3396288630606d967c5ce073bb7d04f5aabcb485 /scripts/gdb/linux/interrupts.py | |
parent | 347e9f5043c89695b01e66b3ed111755afcf1911 (diff) | |
download | linux-fd25fa90edcfd4db5bf69c11621021a7cfd11d53.tar.xz |
drm/xe: Dont skip TLB invalidations on VF
Skipping TLB invalidations on VF causing unrecoverable
faults. Probable reason for skipping TLB invalidations
on SRIOV could be lack of support for instruction
MI_FLUSH_DW_STORE_INDEX. Add back TLB flush with some
additional handling.
Helps in resolving,
[ 704.913454] xe 0000:00:02.1: [drm:pf_queue_work_func [xe]]
ASID: 0
VFID: 0
PDATA: 0x0d92
Faulted Address: 0x0000000002fa0000
FaultType: 0
AccessType: 1
FaultLevel: 0
EngineClass: 3 bcs
EngineInstance: 8
[ 704.913551] xe 0000:00:02.1: [drm:pf_queue_work_func [xe]] Fault response: Unsuccessful -22
V2:
- Use Xmas tree (MichalW)
Suggested-by: Matthew Brost <matthew.brost@intel.com>
Fixes: 97515d0b3ed92 ("drm/xe/vf: Don't emit access to Global HWSP if VF")
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250710045945.1023840-1-tejas.upadhyay@intel.com
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
(cherry picked from commit b528e896fa570844d654b5a4617a97fa770a1030)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Diffstat (limited to 'scripts/gdb/linux/interrupts.py')
0 files changed, 0 insertions, 0 deletions