System and method for on-the-fly switching resolution modes within a dual resolution video display device

A method executing computer-readable program code instructions for switching frame rate and resolution modes within a dual resolution video display device comprising:

• receiving input video data, at an image and video scaler hardware controller, from an information handling system;
• executing computer-readable program code, via an image and video scaler hardware controller, of a mode switch judgment firmware module to detect an on-the-fly signal timing change of the video data during execution of a software application at the information handling system and determine a resolution and frame rate of the video data;
• executing the computer-readable program code, via the image and video scaler hardware controller, of the mode switch judgment firmware module to access a plural mode extended display identification data (EDID) within a non-volatile EDID storage device at the extended display identification data having a first frame rate and resolution mode and a second frame rate and resolution mode to select between the first frame rate and resolution mode and the second frame rate and resolution mode based on the determined resolution and frame rate of the video data after the on-the-fly signal timing change relative to a first bandwidth threshold for the first frame rate and resolution mode and a second resolution and frame rate threshold for the second frame rate and resolution mode;
• and
• resizing and adjusting a resolution and frame rate of video output at a display panel, via execution of a timing controller (TCON) pursuant to instructions from the image and video scaler hardware controller, between the first frame rate and resolution mode and the second frame rate and resolution mode based on the determined resolution and frame rate of the video data after the on-the-fly signal timing change.

A video display device comprising:

• an image and video scaler hardware controller, a nonvolatile extended display identification data (EDID) storage device, a timing controller (TCON), a display panel, and a power supply unit (PSU) to provide power to the image and video scaler hardware controller, the nonvolatile EDID storage device, the TCON and the display panel;
• the image and video scaler hardware controller to receive input video data from an information handling system;
• the image and video scaler hardware controller to execute computer-readable program code of a mode switch judgment firmware module to detect an on-the-fly signal timing change of the video data during execution of a software application at the information handling system and determine a resolution and frame rate of the video data;
• the image and video scaler hardware controller to execute the computer-readable program code of the mode switch judgment firmware module to access a plural mode EDID within the non-volatile EDID storage device having a first frame rate and resolution mode and a second frame rate and resolution mode, where the first frame rate and resolution mode has a lower resolution and higher refresh rate than the second frame rate and resolution mode;
• and
• the TCON to execute to resize and adjust a resolution and frame rate at the display panel between the first frame rate and resolution mode and the second frame rate and resolution mode based on the determined resolution and frame rate of the video data after the on-the-fly signal timing change relative to a first resolution and frame rate threshold for the first frame rate and resolution mode and a second resolution and frame rate threshold for the second frame rate and resolution mode.