diff options
| author | Andrey Grodzovsky <andrey.grodzovsky@amd.com> | 2022-01-25 11:32:47 -0500 |
|---|---|---|
| committer | Andrey Grodzovsky <andrey.grodzovsky@amd.com> | 2022-02-09 12:18:39 -0500 |
| commit | e923be9934a9c54a94e443f9e77bda5b9fbd1ce5 (patch) | |
| tree | 575b0a1d0a6467d1771c5994092fef714b28515f /drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c | |
| parent | 89a7a87093d67e2c633e1ed400ba00ffd15bdae5 (diff) | |
| download | linux-e923be9934a9c54a94e443f9e77bda5b9fbd1ce5.tar.bz2 | |
drm/amdgpu: Rework amdgpu_device_lock_adev
This functions needs to be split into 2 parts where
one is called only once for locking single instance of
reset_domain's sem and reset flag and the other part
which handles MP1 states should still be called for
each device in XGMI hive.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://www.spinics.net/lists/amd-gfx/msg74118.html
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); +} + |