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drm/amdkfd: Insert missing TLB flush on GFX10 and later

Heavy-weight TLB flush is required after unmap on all GPUs for
correctness and security.

Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

authored by

Harish Kasiviswanathan and committed by
Alex Deucher 4412f852 86f2ec22

+1 -2
+1 -2
drivers/gpu/drm/amd/amdkfd/kfd_priv.h
··· 1466 1466 1467 1467 static inline bool kfd_flush_tlb_after_unmap(struct kfd_dev *dev) 1468 1468 { 1469 - return KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 3) || 1470 - KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 2) || 1469 + return KFD_GC_VERSION(dev) > IP_VERSION(9, 4, 2) || 1471 1470 (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) && dev->sdma_fw_version >= 18) || 1472 1471 KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0); 1473 1472 }