diff options
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 | 10 |
1 files changed, 7 insertions, 3 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 2659d226c056..8bc69689f9b8 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -192,7 +192,8 @@ int pqm_create_queue(struct process_queue_manager *pqm, struct kfd_dev *dev, struct file *f, struct queue_properties *properties, - unsigned int *qid) + unsigned int *qid, + uint32_t *p_doorbell_offset_in_process) { int retval; struct kfd_process_device *pdd; @@ -303,12 +304,15 @@ int pqm_create_queue(struct process_queue_manager *pqm, goto err_create_queue; } - if (q) + if (q && p_doorbell_offset_in_process) /* Return the doorbell offset within the doorbell page * to the caller so it can be passed up to user mode * (in bytes). + * There are always 1024 doorbells per process, so in case + * of 8-byte doorbells, there are two doorbell pages per + * process. */ - properties->doorbell_off = + *p_doorbell_offset_in_process = (q->properties.doorbell_off * sizeof(uint32_t)) & (kfd_doorbell_process_slice(dev) - 1); |