Indicate if need to sync between bo and shadow, where sync to where.
V2:
Rename to backup_shadow
Change-Id: I74994dfad141da5c23a3598bb2e3df1253a195f7
Signed-off-by: Chunming Zhou <David1.Zhou at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 04c88de..38ed6c4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -482,6 +482,12 @@ struct amdgpu_bo_va {
#define AMDGPU_GEM_DOMAIN_MAX 0x3
+enum amdgpu_bo_shadow {
+ AMDGPU_BO_SHADOW_TO_NONE = 0,
+ AMDGPU_BO_SHADOW_TO_PARENT,
+ AMDGPU_BO_SHADOW_TO_SHADOW,
+};
+
struct amdgpu_bo {
/* Protected by gem.mutex */
struct list_head list;
@@ -508,6 +514,8 @@ struct amdgpu_bo {
struct drm_gem_object gem_base;
struct amdgpu_bo *parent;
struct amdgpu_bo *shadow;
+ /* indicate if need to sync between bo and shadow */
+ enum amdgpu_bo_shadow backup_shadow;
struct ttm_bo_kmap_obj dma_buf_vmap;
struct amdgpu_mn *mn;
--
1.9.1
