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drm/amdgpu: Use software timer to generate vsync interrupt.

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For virtual display feature, use the software timer to
simulate the vsync interrupt.

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Emily Deng
2016-08-08 11:35:39 +08:00
committed by Alex Deucher
parent 83c9b0253b
commit 46ac362243
3 changed files with 37 additions and 2 deletions
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2
drivers/gpu/drm/amd/amdgpu/dce_virtual.h
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@@ -25,5 +25,7 @@
#define __DCE_VIRTUAL_H__
extern const struct amd_ip_funcs dce_virtual_ip_funcs;
#define DCE_VIRTUAL_VBLANK_PERIOD 16666666
#endif