CN-116504201-B - Display screen refreshing frame rate adjusting method and device, processor, chip and terminal

Abstract

The application belongs to the technical field of display, in particular to a method, a device, a processor, a chip and a terminal for adjusting the refresh frame rate of a display screen for image display, which are used for monitoring the working state of a mobile industry processor interface and adjusting the refresh frame rate of the display screen for image display when the working state of the mobile industry processor interface changes, the refresh frame rate of the display screen can be dynamically adjusted according to the working state of the mobile industry processor interface, so that the problem that the power consumption of the display screen is large due to the fact that the display is fixedly displayed by using the high refresh frame rate can be avoided, the power consumption of the display screen is reduced, and meanwhile, the display screen has higher instantaneity.

Inventors

• WANG YUEWEN
• Zhong Liuhe
• GAO YANKAI

Assignees

• OPPO广东移动通信有限公司

Dates

Publication Date

20260512

Application Date

20211015

Claims (20)

1. 1. An adjustment method for a refresh frame rate of a display screen, wherein the adjustment method is applied to an application processor of a terminal, the terminal comprises the display screen, and the adjustment method comprises: Monitoring the working state of a mobile industry processor interface; When the working state of the mobile industry processor interface enters an idle state from a data transmission state, reducing the refreshing frame rate of the display screen for image display; When the working state of the mobile industry processor interface enters a data transmission state from an idle state, increasing the refreshing frame rate of the display screen for image display; the data transmission state comprises a data transmission proceeding state and a data transmission preparation state, wherein the data transmission proceeding state refers to a state in which data transmission is being performed, the data transmission preparation state refers to a state when the mobile industry processor interface does not enter an idle state after transmitting one frame of data, and in the idle state, when the application processor has data to be transmitted, the mobile industry processor interface is firstly awakened, so that the mobile industry processor interface enters the data transmission state from the idle state.
2. 2. The method of adjusting as set forth in claim 1, wherein reducing a refresh frame rate of the display screen for image display when the operating state of the mobile industrial processor interface is changed from the data transmission state to the idle state comprises: When the working state of the mobile industry processor interface is about to enter an idle state from a data transmission state, a frequency-reducing instruction is sent to a display driving chip of the display screen, and the frequency-reducing instruction is used for indicating the display driving chip to reduce the refresh frame rate of the display screen for image display.
3. 3. The method of adjusting as set forth in claim 1, wherein increasing a refresh frame rate of the display screen for image display when the operating state of the mobile industrial processor interface enters the data transmission state from the idle state comprises: And when the working state of the mobile industry processor interface enters a data transmission state from an idle state and the data transmitted by the mobile industry processor interface is image data, increasing the refresh frame rate of the display screen for image display.
4. 4. The adjustment method as set forth in claim 1, wherein the adjustment method is applied to an application processor of the terminal, and the increasing a refresh frame rate of the display screen for image display includes: And sending an up-conversion instruction to a display driving chip of the display screen, wherein the up-conversion instruction is used for indicating the display driving chip to increase the refresh frame rate of the display screen for image display.
5. 5. The adjustment method of claim 4, wherein the sending the frequency up instruction to the display driving chip of the display screen is specifically: And before the image data is sent to the display driving chip, an up-conversion instruction is sent to the display driving chip of the display screen.
6. 6. The adjustment method according to any one of claims 1 to 5, characterized in that the adjustment method further comprises: And when the working state of the mobile industry processor interface is changed from the data transmission state to the idle state, controlling the working circuit of the mobile industry processor interface to be in a low-voltage state.
7. 7. The adjustment method according to any one of claims 1 to 5, characterized in that the adjustment method further comprises: When the display screen is powered on and started, an initialization instruction carrying a preset refreshing frame rate range is sent to a display driving chip of the display screen, and the initialization instruction instructs the display driving chip to refresh images according to the preset refreshing frame rate range.
8. 8. An adjustment method for a refresh frame rate of a display screen, wherein the adjustment method is applied to a display driving chip of the display screen, and the adjustment method comprises: Monitoring the working state of a mobile industry processor interface; When the working state of the mobile industry processor interface enters an idle state from a data transmission state, reducing the refreshing frame rate of the display screen for image display; When the working state of the mobile industry processor interface enters a data transmission state from an idle state, increasing the refreshing frame rate of the display screen for image display; The data transmission state comprises a data transmission proceeding state and a data transmission preparation state, wherein the data transmission proceeding state refers to a state in which data transmission is being performed, the data transmission preparation state refers to a state in which the mobile industry processor interface is not in an idle state after transmitting one frame of data, and in the idle state, when the application processor has data to be transmitted, the mobile industry processor interface is firstly awakened so that the mobile industry processor interface enters the data transmission state from the idle state.
9. 9. A method for adjusting a refresh frame rate of a display screen, the method being applied to a terminal including the display screen, the method comprising: Monitoring the working state of a mobile industry processor interface; When the working state of the mobile industry processor interface enters an idle state from a data transmission state, reducing the refreshing frame rate of the display screen for image display; When the working state of the mobile industry processor interface enters a data transmission state from an idle state, increasing the refreshing frame rate of the display screen for image display; in the idle state, when the application processor has data to be transmitted, the mobile industry processor interface is firstly awakened, so that the mobile industry processor interface enters a data transmission state from the idle state.
10. 10. The method according to claim 9, wherein the data transmission state includes a data transmission progress state and a data transmission preparation state, the data transmission progress state being a state in which data transmission is being performed, the data transmission preparation state being a state in which the mobile industry processor interface has not entered an idle state after transmitting one frame of data.
11. 11. An adjustment device for a refresh frame rate of a display screen, wherein the adjustment device is configured in an application processor of a terminal, the terminal comprising the display screen, the adjustment device comprising: The monitoring unit is used for monitoring the working state of the mobile industry processor interface; the device comprises an adjustment unit, a display screen, a data transmission unit and a display unit, wherein the adjustment unit is used for reducing the refreshing frame rate of the display screen for image display when the working state of the mobile industry processor interface enters an idle state from a data transmission state; the data transmission state comprises a data transmission proceeding state and a data transmission preparation state, wherein the data transmission proceeding state refers to a state in which data transmission is being performed, the data transmission preparation state refers to a state when the mobile industry processor interface does not enter an idle state after transmitting one frame of data, and in the idle state, when the application processor has data to be transmitted, the mobile industry processor interface is firstly awakened, so that the mobile industry processor interface enters the data transmission state from the idle state.
12. 12. An adjusting device for a refresh frame rate of a display screen, wherein the adjusting device is configured on a display driving chip of the display screen, and the adjusting device comprises: The monitoring unit is used for monitoring the working state of the mobile industry processor interface; the device comprises an adjustment unit, a display screen, a data transmission unit and a display unit, wherein the adjustment unit is used for reducing the refreshing frame rate of the display screen for image display when the working state of the mobile industry processor interface enters an idle state from a data transmission state; The data transmission state comprises a data transmission proceeding state and a data transmission preparation state, wherein the data transmission proceeding state refers to a state in which data transmission is being performed, the data transmission preparation state refers to a state in which the mobile industry processor interface is not in an idle state after transmitting one frame of data, and in the idle state, when the application processor has data to be transmitted, the mobile industry processor interface is firstly awakened so that the mobile industry processor interface enters the data transmission state from the idle state.
13. 13. An application processor configured to a terminal comprising a display screen, the application processor configured to: Monitoring the working state of a mobile industry processor interface; when the working state of the mobile industry processor interface is about to enter the idle state from the data transmission state, a frequency-reducing instruction is sent to a display driving chip of the display screen, wherein the frequency-reducing instruction is used for instructing the display driving chip to reduce the refresh frame rate of the display screen for image display; the data transmission state comprises a data transmission proceeding state and a data transmission preparation state, wherein the data transmission proceeding state refers to a state in which data transmission is being performed, the data transmission preparation state refers to a state when the mobile industry processor interface does not enter an idle state after transmitting one frame of data, and in the idle state, when the application processor has data to be transmitted, the mobile industry processor interface is firstly awakened, so that the mobile industry processor interface enters the data transmission state from the idle state.
14. 14. The application processor of claim 13, wherein the application processor is to: When the working state of the mobile industry processor interface enters a data transmission state from an idle state, an up-conversion instruction is sent to a display driving chip of the display screen, and the up-conversion instruction is used for indicating the display driving chip to increase the refresh frame rate of the display screen for image display.
15. 15. The application processor of claim 14, wherein the application processor is to: And when the working state of the mobile industry processor interface is changed from an idle state to a data transmission state and the data transmitted by the mobile industry processor interface is image data, transmitting the frequency raising instruction to a display driving chip of the display screen.
16. 16. The application processor of any of claims 13-15, wherein the application processor is to: And when the working state of the mobile industry processor interface is changed from the data transmission state to the idle state, controlling the working circuit of the mobile industry processor interface to be in a low-voltage state.
17. 17. The application processor of any of claims 13-15, wherein the application processor is to: When the display screen is powered on and started, an initialization instruction carrying a preset refreshing frame rate range is sent to a display driving chip of the display screen, and the initialization instruction instructs the display driving chip to refresh images according to the preset refreshing frame rate range.
18. 18. The display driving chip is characterized in that the display driving chip is configured on a display screen of a terminal and is used for driving the display screen of the terminal to display images, and the display driving chip is used for: Monitoring the working state of a mobile industry processor interface; When the working state of the mobile industry processor interface enters an idle state from a data transmission state, reducing the refreshing frame rate of the display screen for image display; When the working state of the mobile industry processor interface enters a data transmission state from an idle state, increasing the refreshing frame rate of the display screen for image display; The data transmission state comprises a data transmission proceeding state and a data transmission preparation state, wherein the data transmission proceeding state refers to a state in which data transmission is being performed, the data transmission preparation state refers to a state in which the mobile industry processor interface is not in an idle state after transmitting one frame of data, and in the idle state, when the application processor has data to be transmitted, the mobile industry processor interface is firstly awakened so that the mobile industry processor interface enters the data transmission state from the idle state.
19. 19. The display driver chip of claim 18, wherein the display driver chip is configured to increase a refresh frame rate of the display screen for image display when the operating state of the mobile industry processor interface is changed from an idle state to a data transmission state and the data transmitted by the mobile industry processor interface is image data.
20. 20. A display screen, characterized in that the display screen is provided with a display driving chip as claimed in any one of claims 18-19.

Description

Display screen refreshing frame rate adjusting method and device, processor, chip and terminal Technical Field The application belongs to the technical field of display, and particularly relates to a method and a device for adjusting refresh frame rate of a display screen, a processor, a chip and a terminal. Background With the continuous development of display screen technology, more and more display screens capable of supporting high refresh frame rate for picture display are generated. However, when a fixed high refresh frame rate is used to display a picture, although the smoothness of the picture can be improved, there is a problem that the power consumption of the display screen is large. Disclosure of Invention The embodiment of the application provides a method, a device, a processor, a chip and a terminal for adjusting a refresh frame rate of a display screen, which can realize the adjustment of the refresh frame rate of the display screen and are beneficial to reducing the power consumption of the display screen. An embodiment of the present application provides a method for adjusting a refresh frame rate of a display screen, where the method is applied to a terminal including the display screen, and includes: Monitoring the working state of a mobile industry processor interface; and when the working state of the mobile industry processor interface changes, adjusting the refresh frame rate of the display screen for image display. A second aspect of an embodiment of the present application provides an adjustment device for a refresh frame rate of a display screen, where the adjustment device is configured in a terminal including the display screen, and the adjustment device includes: The monitoring unit is used for monitoring the working state of the mobile industry processor interface; and the adjusting unit is used for adjusting the refreshing frame rate of the display screen for image display when the working state of the mobile industry processor interface changes. A third aspect of the embodiments of the present application provides an application processor, where the application processor is configured to a terminal including a display screen, and the application processor is configured to: Monitoring the working state of a mobile industry processor interface; When the working state of the mobile industry processor interface is about to enter an idle state from a data transmission state, a frequency-reducing instruction is sent to a display driving chip of the display screen, and the frequency-reducing instruction is used for indicating the display driving chip to reduce the refresh frame rate of the display screen for image display. A fourth aspect of the present application provides a display driving chip, where the display driving chip is configured on a display screen of a terminal and is used to drive the display screen of the terminal to display an image, and the display driving chip is used to: Monitoring the working state of a mobile industry processor interface; and when the working state of the mobile industry processor interface changes, adjusting the refresh frame rate of the display screen for image display. A fifth aspect of an embodiment of the present application provides a display screen configured with the display driving chip described in the fourth aspect. A sixth aspect of an embodiment of the present application provides a terminal including a display screen, where the display screen of the terminal is configured with the display driving chip described in the fourth aspect. A seventh aspect of the embodiment of the present application provides a terminal including a display screen, where the terminal is configured with an application processor as described in the third aspect. An eighth aspect of the present application provides a terminal including a display, where the terminal includes an application processor, the display is configured with a display driver chip, the application processor is connected to the display driver chip through a mobile industry processor interface, and the terminal is configured to implement the method for adjusting a refresh frame rate of the display in the first aspect, or the terminal is configured with the device for adjusting a refresh frame rate of the display in the second aspect. A ninth aspect of the embodiments of the present application provides a computer readable storage medium storing a computer program which when executed performs the steps of the method of the first aspect described above. In the embodiment of the application, the refresh frame rate of the display screen for image display is adjusted by monitoring the working state of the mobile industry processor interface and when the working state of the mobile industry processor interface changes, so that the refresh frame rate of the display screen can be dynamically adjusted according to the working state of the mobile industry processor interface, thereby avoiding the p