6.18-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alex Deucher alexander.deucher@amd.com
commit eb296c09805ee37dd4ea520a7fb3ec157c31090f upstream.
SI hardware doesn't support pasids, user mode queues, or KIQ/MES so there is no need for this. Doing so results in a segfault as these callbacks are non-existent for SI.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4744 Fixes: f3854e04b708 ("drm/amdgpu: attach tlb fence to the PTs update") Reviewed-by: Timur Kristóf timur.kristof@gmail.com Signed-off-by: Alex Deucher alexander.deucher@amd.com (cherry picked from commit 820b3d376e8a102c6aeab737ec6edebbbb710e04) Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1066,7 +1066,9 @@ amdgpu_vm_tlb_flush(struct amdgpu_vm_upd }
/* Prepare a TLB flush fence to be attached to PTs */ - if (!params->unlocked) { + if (!params->unlocked && + /* SI doesn't support pasid or KIQ/MES */ + params->adev->family > AMDGPU_FAMILY_SI) { amdgpu_vm_tlb_fence_create(params->adev, vm, fence);
/* Makes sure no PD/PT is freed before the flush */