From: Philip Yang Date: Mon, 28 Mar 2022 02:22:44 +0000 (-0400) Subject: drm/amdgpu: Add tlb_cb for unlocked update X-Git-Tag: v6.1-rc5~1171^2~22^2~92 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=44e121fbf155edc93eceaae273038afbf90f52a7;p=platform%2Fkernel%2Flinux-starfive.git drm/amdgpu: Add tlb_cb for unlocked update Flush TLB needs wait for GPU update fence done. MMU notify callback to unmap range from GPUs uses unlocked GPU page table update, so add tlb_cb to unlocked update fence to increase vm->tlb_seq. Signed-off-by: Philip Yang Reviewed-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 48f3266..683b08f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -927,7 +927,7 @@ int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev, r = vm->update_funcs->commit(¶ms, fence); - if (!unlocked && (!(flags & AMDGPU_PTE_VALID) || params.table_freed)) { + if (!(flags & AMDGPU_PTE_VALID) || params.table_freed) { tlb_cb->vm = vm; if (!fence || !*fence || dma_fence_add_callback(*fence, &tlb_cb->cb,