This patch changes the calls to allocate the gart memory for amdkfd from the old interface (radeon_sa) to the new one (kfd_gtt_sa)
The new gart sub-allocator is initialized with chunk size equal to 512 bytes. This is because the KV MQD is 512 Bytes and most of the sub-allocations are MQDs.
Reviewed-by: Alexey Skidanov Alexey.skidanov@amd.com Signed-off-by: Oded Gabbay oded.gabbay@amd.com --- drivers/gpu/drm/amd/amdkfd/kfd_device.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c index 163b1a4..ac94dc3 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c @@ -192,7 +192,8 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, /* add another 512KB for all other allocations on gart (HPD, fences) */ size += 512 * 1024;
- if (kfd2kgd->init_sa_manager(kfd->kgd, size)) { + if (kfd2kgd->init_gtt_mem_allocation(kfd->kgd, size, &kfd->gtt_mem, + &kfd->gtt_start_gpu_addr, &kfd->gtt_start_cpu_ptr)) { dev_err(kfd_device, "Could not allocate %d bytes for device (%x:%x)\n", size, kfd->pdev->vendor, kfd->pdev->device); @@ -203,6 +204,13 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd, "Allocated %d bytes on gart for device(%x:%x)\n", size, kfd->pdev->vendor, kfd->pdev->device);
+ /* Initialize GTT sa with 512 byte chunk size */ + if (kfd_gtt_sa_init(kfd, size, 512) != 0) { + dev_err(kfd_device, + "Error initializing gtt sub-allocator\n"); + goto kfd_gtt_sa_init_error; + } + kfd_doorbell_init(kfd);
if (kfd_topology_add_device(kfd) != 0) { @@ -261,7 +269,9 @@ device_iommu_pasid_error: kfd_interrupt_error: kfd_topology_remove_device(kfd); kfd_topology_add_device_error: - kfd2kgd->fini_sa_manager(kfd->kgd); + kfd_gtt_sa_fini(kfd); +kfd_gtt_sa_init_error: + kfd2kgd->free_gtt_mem(kfd->kgd, kfd->gtt_mem); dev_err(kfd_device, "device (%x:%x) NOT added due to errors\n", kfd->pdev->vendor, kfd->pdev->device); @@ -276,6 +286,8 @@ void kgd2kfd_device_exit(struct kfd_dev *kfd) amd_iommu_free_device(kfd->pdev); kfd_interrupt_exit(kfd); kfd_topology_remove_device(kfd); + kfd_gtt_sa_fini(kfd); + kfd2kgd->free_gtt_mem(kfd->kgd, kfd->gtt_mem); }
kfree(kfd);