diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2022-08-03 14:45:45 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-08-25 13:35:17 -0400 |
| commit | 16f0013157bf8c95d10b9360491e3c920f85641e (patch) | |
| tree | 2c5adc35d23e5b7a8fea8c9fffb139d008b058d6 /drivers/gpu/drm/amd/amdkfd/kfd_process.c | |
| parent | 8243df477845cdcf558226bbd24321ee85f82c73 (diff) | |
drm/amdkfd: Allocate doorbells only when needed
Only allocate doorbells when the first queue is created on a GPU or the
doorbells need to be mapped into CPU or GPU virtual address space. This
avoids allocating doorbells unnecessarily and can allow more processes
to use KFD on multi-GPU systems.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Kent Russell <kent.Russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_process.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_process.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c index 6c83a519b3a1..951b63677248 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c @@ -1499,11 +1499,6 @@ struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, if (!pdd) return NULL; - if (kfd_alloc_process_doorbells(dev, &pdd->doorbell_index) < 0) { - pr_err("Failed to alloc doorbell for pdd\n"); - goto err_free_pdd; - } - if (init_doorbell_bitmap(&pdd->qpd, dev)) { pr_err("Failed to init doorbell for process\n"); goto err_free_pdd; |