公开(公告)号：US20190043415A1

公开(公告)日：2019-02-07

申请号：US16024587

申请日：2018-06-29

Applicant: Intel Corporation

Inventor： Vishal Sinha ,  Paul Diefenbaugh ,  Todd Witter ,  Jason Tanner ,  Arthur Runyan ,  Nausheen Ansari ,  Kathy Bui ,  Yifan Li

IPC: G09G3/22 ,  G06F1/32

Abstract: Technology for a display controller is described. The display controller can detect a frame update when the display controller is in a dynamic sleep state. The display controller can wake up from the dynamic sleep state and enter a selective update state at a programmed vertical blanking interrupt (VBI) that precedes an actual VBI. The display controller can perform a scan-out with a display panel during the selective update state. The display controller can return to the dynamic sleep state in a same time frame after the scan-out is completed. The display controller can exclude timing logic to send a VBI at every time frame to the display panel to maintain time synchronization between the display controller and the display panel.