diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_device.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_device.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index ca7f2d3..13c30a0 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -235,6 +235,13 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, goto kfd_topology_add_device_error; } + if (kfd_interrupt_init(kfd)) { + dev_err(kfd_device, + "Error initializing interrupts for device (%x:%x)\n", + kfd->pdev->vendor, kfd->pdev->device); + goto kfd_interrupt_error; + } + if (!device_iommu_pasid_init(kfd)) { dev_err(kfd_device, "Error initializing iommuv2 for device (%x:%x)\n", @@ -273,6 +280,8 @@ dqm_start_error: device_queue_manager_error: amd_iommu_free_device(kfd->pdev); device_iommu_pasid_error: + kfd_interrupt_exit(kfd); +kfd_interrupt_error: kfd_topology_remove_device(kfd); kfd_topology_add_device_error: kfd_gtt_sa_fini(kfd); @@ -290,6 +299,7 @@ void kgd2kfd_device_exit(struct kfd_dev *kfd) if (kfd->init_complete) { device_queue_manager_uninit(kfd->dqm); amd_iommu_free_device(kfd->pdev); + kfd_interrupt_exit(kfd); kfd_topology_remove_device(kfd); kfd_gtt_sa_fini(kfd); kfd->kfd2kgd->free_gtt_mem(kfd->kgd, kfd->gtt_mem); @@ -333,7 +343,17 @@ int kgd2kfd_resume(struct kfd_dev *kfd) /* This is called directly from KGD at ISR. */ void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry) { - /* Process interrupts / schedule work as necessary */ + if (!kfd->init_complete) + return; + + spin_lock(&kfd->interrupt_lock); + + if (kfd->interrupts_active + && interrupt_is_wanted(kfd, ih_ring_entry) + && enqueue_ih_ring_entry(kfd, ih_ring_entry)) + schedule_work(&kfd->interrupt_work); + + spin_unlock(&kfd->interrupt_lock); } static int kfd_gtt_sa_init(struct kfd_dev *kfd, unsigned int buf_size, |