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drm/amdgpu: add shadow flag V2

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Indicate if need to sync between bo and shadow, where sync to where.
V2:
Rename to backup_shadow

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chunming Zhou 2016-08-04 15:47:50 +08:00 committed by Alex Deucher
parent 1baa439fb2
commit 478feaf6cc
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@ -480,6 +480,12 @@ 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;
@ -506,6 +512,8 @@ 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;