diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_device.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device.c | 46 |
1 files changed, 40 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 53b2e19cabe0..71a03f7b0049 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -26,8 +26,11 @@ #include <linux/slab.h> #include "kfd_priv.h" +#define MQD_SIZE_ALIGNED 768 + static const struct kfd_device_info kaveri_device_info = { .max_pasid_bits = 16, + .mqd_size_aligned = MQD_SIZE_ALIGNED }; struct kfd_deviceid { @@ -92,6 +95,7 @@ struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev) kfd->kgd = kgd; kfd->device_info = device_info; kfd->pdev = pdev; + kfd->init_complete = false; return kfd; } @@ -99,23 +103,53 @@ struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev) bool kgd2kfd_device_init(struct kfd_dev *kfd, const struct kgd2kfd_shared_resources *gpu_resources) { + unsigned int size; + kfd->shared_resources = *gpu_resources; - if (kfd_topology_add_device(kfd) != 0) - return false; + /* calculate max size of mqds needed for queues */ + size = max_num_of_processes * + max_num_of_queues_per_process * + kfd->device_info->mqd_size_aligned; + + /* add another 512KB for all other allocations on gart */ + size += 512 * 1024; + + if (kfd2kgd->init_sa_manager(kfd->kgd, size)) { + dev_err(kfd_device, + "Error initializing sa manager for device (%x:%x)\n", + kfd->pdev->vendor, kfd->pdev->device); + goto out; + } + + kfd_doorbell_init(kfd); + + if (kfd_topology_add_device(kfd) != 0) { + dev_err(kfd_device, + "Error adding device (%x:%x) to topology\n", + kfd->pdev->vendor, kfd->pdev->device); + goto kfd_topology_add_device_error; + } + kfd->init_complete = true; dev_info(kfd_device, "added device (%x:%x)\n", kfd->pdev->vendor, kfd->pdev->device); - return true; + goto out; + +kfd_topology_add_device_error: + kfd2kgd->fini_sa_manager(kfd->kgd); + dev_err(kfd_device, + "device (%x:%x) NOT added due to errors\n", + kfd->pdev->vendor, kfd->pdev->device); +out: + return kfd->init_complete; } void kgd2kfd_device_exit(struct kfd_dev *kfd) { - int err = kfd_topology_remove_device(kfd); - - BUG_ON(err != 0); + kfd_topology_remove_device(kfd); kfree(kfd); } |