From: Eric Huang <jinhuieric.huang@xxxxxxx>
[ Upstream commit f61c40c0757a79bcf744314df606c2bc8ae6a729 ]
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@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 6 ------
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 10 ++++++++--
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index f9bab963a948..5df387c4d7fb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -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:
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 4bfc0c8ab764..337953af7c2f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -1416,6 +1416,12 @@ static int kfd_ioctl_free_memory_of_gpu(struct file *filep,
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) {
--
2.34.1
