diff options
| author | Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com> | 2022-09-07 21:13:54 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-09-13 19:54:23 +0300 |
| commit | a4a3798f0077a1584491574027b0067c13396d12 (patch) | |
| tree | b2d4f3a9a0578db0c910b0dd94bbde8f738cce86 /drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c | |
| parent | 542ab4917338d735e2dde6c8f4e042ac18ff5152 (diff) | |
| download | linux-a4a3798f0077a1584491574027b0067c13396d12.tar.xz | |
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_doorbell.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c index b33798f89ef0..cd4e61bf0493 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c @@ -303,6 +303,9 @@ int kfd_alloc_process_doorbells(struct kfd_dev *kfd, unsigned int *doorbell_inde if (r > 0) *doorbell_index = r; + if (r < 0) + pr_err("Failed to allocate process doorbells\n"); + return r; } |