drm/amdgpu: sync bo and shadow V3

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Use shadow flag to judge which direction to sync.
V2:
Don't need bo pin, so remove it.

V3:
1. Split to two functions, one is backup_to_shadow, another is
restore_from_shadow.
2. Clean up previous shadow direction difinitions.

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>

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This commit is contained in:

Chunming Zhou 2016-08-04 16:51:18 +08:00 • committed by Alex Deucher

parent e24db98529

commit 20f4eff1c8

3 changed files with 76 additions and 8 deletions

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8

drivers/gpu/drm/amd/amdgpu/amdgpu.h

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64

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

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12

drivers/gpu/drm/amd/amdgpu/amdgpu_object.h

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