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authorTejas Upadhyay <tejas.upadhyay@intel.com>2025-07-10 07:59:45 +0300
committerLucas De Marchi <lucas.demarchi@intel.com>2025-07-17 15:45:19 +0300
commitfd25fa90edcfd4db5bf69c11621021a7cfd11d53 (patch)
tree3396288630606d967c5ce073bb7d04f5aabcb485 /scripts/gdb/linux/interrupts.py
parent347e9f5043c89695b01e66b3ed111755afcf1911 (diff)
downloadlinux-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>
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