diff options
| author | Matthew Brost <matthew.brost@intel.com> | 2021-07-08 09:20:53 -0700 |
|---|---|---|
| committer | John Harrison <John.C.Harrison@Intel.com> | 2021-07-13 13:50:03 -0700 |
| commit | b43b9950486eb9b229493fc91cdabbbb4d07cfbc (patch) | |
| tree | f9b90d0e448fd4698247be4826955a923d498309 /lib/test_overflow.c | |
| parent | 1681924d8bdeb248451fd1d47c18648ffaeed625 (diff) | |
drm/i915/guc: Add stall timer to non blocking CTB send function
Implement a stall timer which fails H2G CTBs once a period of time
with no forward progress is reached to prevent deadlock.
v2:
(Michal)
- Improve error message in ct_deadlock()
- Set broken when ct_deadlock() returns true
- Return -EPIPE on ct_deadlock()
v3:
(Michal)
- Add ms to stall timer comment
(Matthew)
- Move broken check to intel_guc_ct_send()
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210708162055.129996-6-matthew.brost@intel.com
Diffstat (limited to 'lib/test_overflow.c')
0 files changed, 0 insertions, 0 deletions