Indicate if need to sync between bo and shadow, where sync to where.
Change-Id: I74994dfad141da5c23a3598bb2e3df1253a195f7
Signed-off-by: Chunming Zhou <david1.z...@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 8c2ac1a..53b7039 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -481,6 +481,12 @@ struct amdgpu_bo_va {
#define AMDGPU_GEM_DOMAIN_MAX 0x3
+enum amdgpu_shadow_flag {
+ AMDGPU_SHADOW_FLAG_SYNC_TO_NONE = 0,
+ AMDGPU_SHADOW_FLAG_SYNC_TO_PARENT,
+ AMDGPU_SHADOW_FLAG_SYNC_TO_SHADOW,
+};
+
struct amdgpu_bo {
/* Protected by gem.mutex */
struct list_head list;
@@ -507,6 +513,8 @@ 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 */
+ u32 shadow_flag;
struct ttm_bo_kmap_obj dma_buf_vmap;
struct amdgpu_mn *mn;
--
1.9.1
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