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authorChunming Zhou <David1.Zhou@amd.com>2016-08-04 15:47:50 +0800
committerAlex Deucher <alexander.deucher@amd.com>2016-08-16 10:43:14 -0400
commit478feaf6cc420e66c071c0a743b334abfe8f18c9 (patch)
tree2bbacbca2c4f18564c1bcf06a205235ab53d442f /drivers/gpu
parent1baa439fb2f4e586bf387cbbc515468ebb16e587 (diff)
downloadop-kernel-dev-478feaf6cc420e66c071c0a743b334abfe8f18c9.zip
op-kernel-dev-478feaf6cc420e66c071c0a743b334abfe8f18c9.tar.gz
drm/amdgpu: add shadow flag V2
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 26f6028..d18ae01 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -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;
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