6.8-stable review patch. If anyone has any objections, please let me know.
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From: Eric Huang jinhuieric.huang@amd.com
commit 1210e2f1033dc56b666c9f6dfb761a2d3f9f5d6c upstream.
TLB flush after unmap accidentially was removed on gfx9.4.2. It is to add it back.
Signed-off-by: Eric Huang jinhuieric.huang@amd.com Reviewed-by: Harish Kasiviswanathan Harish.Kasiviswanathan@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -1473,7 +1473,7 @@ static inline void kfd_flush_tlb(struct
static inline bool kfd_flush_tlb_after_unmap(struct kfd_dev *dev) { - return KFD_GC_VERSION(dev) > IP_VERSION(9, 4, 2) || + return KFD_GC_VERSION(dev) >= IP_VERSION(9, 4, 2) || (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) && dev->sdma_fw_version >= 18) || KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0); }