Display method for picture, timing control register, and electronic device

A non-transitory computer-readable storage medium, wherein the non-transitory computer-readable storage medium comprises a program stored;

• the program, when run, controls a device with the non-transitory computer-readable storage medium to perform:
• in a case of receiving a picture update command, reducing, by a timing control register, an original resolution to a preset resolution, wherein the picture update command is a command for displaying a first picture, and the first picture is a picture needing to be displayed at the same time as an original picture of a screen;
• sending, by the timing control register, the preset resolution to a display card, so that the display card outputs a picture with the preset resolution to obtain a second picture, and sends the second picture to the timing control register;
• and
• receiving, by the timing control register, the first picture and the second picture, and splicing, by the timing control register, the first picture with the second picture into a picture with the original resolution to obtain a target picture, and sending, by the timing control register, the target picture to the screen for displaying.

An electronic device, comprising:

• one or more processors, a memory, and one or more programs, wherein the one or more programs are stored in the memory, and are configured to be executed by the one or more processors;
• and the one or more programs are configured to:
• in a case of receiving a picture update command, reduce, by a timing control register, and original resolution to a preset resolution, wherein the picture update command is a command for displaying a first picture, and the first picture is a picture needing to be displayed at the same time as an original picture of a screen;
• send, by the timing control register, the preset resolution to a display card, so that the display card outputs a picture with the preset resolution to obtain a second picture, and sends the second picture to the timing control register, and
• receive, by the timing control register, the first picture and the second picture, and splice, by the timing control register, the first picture with a second picture into a picture with the original resolution to obtain a target picture, and send, by the timing control register, the target picture to the screen for displaying.