From b4ff0f8a85f3c523942e57b716e8722e7f6799cc Mon Sep 17 00:00:00 2001 From: Christian König Date: Wed, 4 Dec 2019 13:29:49 +0100 Subject: drm/amdgpu: add VM eviction lock v3 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This allows to invalidate VM entries without taking the reservation lock. v3: use -EBUSY Signed-off-by: Christian König Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index 6c2124b10820..7e0eb36da27d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -239,6 +239,10 @@ struct amdgpu_vm { /* tree of virtual addresses mapped */ struct rb_root_cached va; + /* Lock to prevent eviction while we are updating page tables */ + struct mutex eviction_lock; + bool evicting; + /* BOs who needs a validation */ struct list_head evicted; -- cgit v1.2.3