The source project of this merge request has been removed.
[drm] Do not blank crtc in atomic mode
In atomic setting mode, when external display tears down, it will blank crtc with dump buffer by legacy api, then re-plug the external display, the blank can not be removed. We think the blank is not needed in atomic mode setting.
Signed-off-by: Chaojiang Luo chaojiangluo@163.com