From 478feaf6cc420e66c071c0a743b334abfe8f18c9 Mon Sep 17 00:00:00 2001 From: Chunming Zhou Date: Thu, 4 Aug 2016 15:47:50 +0800 Subject: [PATCH] drm/amdgpu: add shadow flag V2 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Indicate if need to sync between bo and shadow, where sync to where. V2: Rename to backup_shadow Signed-off-by: Chunming Zhou Reviewed-by: Christian König Signed-off-by: Alex Deucher --- 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 26f6028bb72b..d18ae01bd339 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; -- 2.20.1