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drm/amdkfd: enable heavy-weight TLB flush on Arcturus 

[ Upstream commit f61c40c075 ]

SDMA FW fixes the hang issue for adding heavy-weight TLB
flush on Arcturus, so we can enable it.

Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Eric Huang 2022-01-18 10:57:54 -05:00 committed by Greg Kroah-Hartman
parent ea2f0d8629
commit 0389aaf1cd
2 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
View File

@ -1813,12 +1813,6 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu(
true);
ret = unreserve_bo_and_vms(&ctx, false, false);
/* Only apply no TLB flush on Aldebaran to
* workaround regressions on other Asics.
*/
if (table_freed && (adev->asic_type != CHIP_ALDEBARAN))
*table_freed = true;
goto out;
out_unreserve:

10
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
View File

@ -1416,6 +1416,12 @@ err_unlock:
return ret;
}
static bool kfd_flush_tlb_after_unmap(struct kfd_dev *dev) {
return KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2) ||
(KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) &&
dev->adev->sdma.instance[0].fw_version >= 18);
}
static int kfd_ioctl_map_memory_to_gpu(struct file *filep,
struct kfd_process *p, void *data)
{
@ -1503,7 +1509,7 @@ static int kfd_ioctl_map_memory_to_gpu(struct file *filep,
}
/* Flush TLBs after waiting for the page table updates to complete */
if (table_freed) {
if (table_freed || !kfd_flush_tlb_after_unmap(dev)) {
for (i = 0; i < args->n_devices; i++) {
peer = kfd_device_by_id(devices_arr[i]);
if (WARN_ON_ONCE(!peer))
@ -1603,7 +1609,7 @@ static int kfd_ioctl_unmap_memory_from_gpu(struct file *filep,
}
mutex_unlock(&p->mutex);
if (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2)) {
if (kfd_flush_tlb_after_unmap(dev)) {
err = amdgpu_amdkfd_gpuvm_sync_memory(dev->adev,
(struct kgd_mem *) mem, true);
if (err) {