diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c index 5ab72c3bfbda..9b18ad0b77ab 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c @@ -137,5 +137,24 @@ struct amdgpu_reset_domain *amdgpu_reset_create_reset_domain(enum amdgpu_reset_d return reset_domain; } +void amdgpu_device_lock_reset_domain(struct amdgpu_reset_domain *reset_domain, + struct amdgpu_hive_info *hive) +{ + atomic_set(&reset_domain->in_gpu_reset, 1); + + if (hive) { + down_write_nest_lock(&reset_domain->sem, &hive->hive_lock); + } else { + down_write(&reset_domain->sem); + } +} + + +void amdgpu_device_unlock_reset_domain(struct amdgpu_reset_domain *reset_domain) +{ + atomic_set(&reset_domain->in_gpu_reset, 0); + up_write(&reset_domain->sem); +} + |