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 | 15 |
1 files changed, 15 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 c9c205df4a14..6e3e7f54381b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -498,6 +498,21 @@ int pqm_update_mqd(struct process_queue_manager *pqm, return -EFAULT; } + /* ASICs that have WGPs must enforce pairwise enabled mask checks. */ + if (minfo && minfo->update_flag == UPDATE_FLAG_CU_MASK && minfo->cu_mask.ptr && + KFD_GC_VERSION(pqn->q->device) >= IP_VERSION(10, 0, 0)) { + int i; + + for (i = 0; i < minfo->cu_mask.count; i += 2) { + uint32_t cu_pair = (minfo->cu_mask.ptr[i / 32] >> (i % 32)) & 0x3; + + if (cu_pair && cu_pair != 0x3) { + pr_debug("CUs must be adjacent pairwise enabled.\n"); + return -EINVAL; + } + } + } + retval = pqn->q->device->dqm->ops.update_queue(pqn->q->device->dqm, pqn->q, minfo); if (retval != 0) |