diff options
| author | Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com> | 2022-09-07 14:13:54 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-09-13 12:54:23 -0400 |
| commit | a4a3798f0077a1584491574027b0067c13396d12 (patch) | |
| tree | b2d4f3a9a0578db0c910b0dd94bbde8f738cce86 /drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c | |
| parent | 542ab4917338d735e2dde6c8f4e042ac18ff5152 (diff) | |
| download | linux-stable-a4a3798f0077a1584491574027b0067c13396d12.tar.gz linux-stable-a4a3798f0077a1584491574027b0067c13396d12.tar.bz2 linux-stable-a4a3798f0077a1584491574027b0067c13396d12.zip | |
drm/amdkfd: Fix CRIU restore op due to doorbell offset
Recently introduced change to allocate doorbells only when the first
queue is created or mapped for CPU / GPU access, did not consider
Checkpoint Restore scenario completely. This fix allows the CRIU restore
operation by extending the doorbell optimization to CRIU restore
scenario.
Fixes: 16f0013157bf ("drm/amdkfd: Allocate doorbells only when needed")
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c index 6e3e7f54381b..5137476ec18e 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -857,6 +857,13 @@ int kfd_criu_restore_queue(struct kfd_process *p, ret = -EINVAL; goto exit; } + + if (!pdd->doorbell_index && + kfd_alloc_process_doorbells(pdd->dev, &pdd->doorbell_index) < 0) { + ret = -ENOMEM; + goto exit; + } + /* data stored in this order: mqd, ctl_stack */ mqd = q_extra_data; ctl_stack = mqd + q_data->mqd_size; |