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drm/amdkfd: enable heavy-weight TLB flush on Vega20

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It is to meet the requirement for memory allocation
optimization on MI50.

Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang 2022-01-21 10:39:54 -05:00 committed by Alex Deucher
parent 039cacd239
commit 1790b649b0
1 changed files with 2 additions and 1 deletions

3
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
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@ -1419,7 +1419,8 @@ err_unlock:
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);
dev->adev->sdma.instance[0].fw_version >= 18) ||
KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0);
}
static int kfd_ioctl_map_memory_to_gpu(struct file *filep,