diff options
| author | Matthew R. Ochs <[email protected]> | 2015-10-21 15:13:21 -0500 |
|---|---|---|
| committer | James Bottomley <[email protected]> | 2015-10-30 17:10:38 +0900 |
| commit | 018d1dc9558e748e271cd1600c698f68cba3fb09 (patch) | |
| tree | 7e3a85a14b1a516620e222bd13a3e44d24408049 /drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c | |
| parent | 4392ba49eb248868afb412ea147ab16e2e606d66 (diff) | |
cxlflash: Fix to avoid stall while waiting on TMF
Borrowing the TMF waitq's spinlock causes a stall condition when
waiting for the TMF to complete. To remedy, introduce our own spin
lock to serialize TMF and use the appropriate wait services.
Also add a timeout while waiting for a TMF completion. When a TMF
times out, report back a failure such that a bigger hammer reset
can occur.
Signed-off-by: Matthew R. Ochs <[email protected]>
Signed-off-by: Manoj N. Kumar <[email protected]>
Reviewed-by: Brian King <[email protected]>
Reviewed-by: Tomas Henzl <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c')
0 files changed, 0 insertions, 0 deletions