CN104866257A - Method for maintaining content displayed on screen, and electronic equipment - Google Patents
Method for maintaining content displayed on screen, and electronic equipment Download PDFInfo
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- CN104866257A CN104866257A CN201410057813.4A CN201410057813A CN104866257A CN 104866257 A CN104866257 A CN 104866257A CN 201410057813 A CN201410057813 A CN 201410057813A CN 104866257 A CN104866257 A CN 104866257A
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Abstract
The invention provides a method for maintaining content displayed on a screen, and electronic equipment. The method comprises the steps that in a first mode of the electronic equipment, if a screen controller detects that a screen of the electronic equipment enters a first state, indication information is sent to an embedded controller and the first state is locked, and a first command sent by a graphics processor is no longer responded; after the embedded controller receives the indication information, if receiving a second command, the embedded controller feeds a response message back to the screen controller, wherein the second command is used for enabling the electronic equipment to enter a second mode; and when the screen controller receives the response message, the screen of the electronic equipment is kept being locked in the first state, so that the screen of the electronic equipment maintains the displayed content. After the electronic equipment enters the second mode, if the electronic equipment enters low power consumption states like a sleep state or a dormant state, the screen controller does not respond to the first command of exiting from the first state sent by the graphics processor, so that the screen of the electronic equipment maintains the displayed content and does not go dark.
Description
Technical field
The present invention relates to screen display technology field, particularly relate to a kind of method and the electronic equipment that keep screen display content.
Background technology
PSR technology is screen Self-Refresh technology, when picture on the screen of electronic equipment is in static state, image content will be copied in the chip of the little storage of low-power consumption, then screen transfers to use the automatic refresh picture of data here, now, GPU and internal memory just can " be taken a quick nap ", thus reduce the power consumption of electronic equipment.
S0i-L pattern is supporting a kind of pattern that the platform of PSR technology realizes, under S0i-L pattern, when electronic equipment is idle state, if user is not to mouse, keyboards etc. operate, and screen display is in tableaux, electronic equipment is then allowed to enter the low power consumpting states such as sleep or dormancy, but allow screen still keep showing static content, when carrying out the operations such as mouse-keyboard as user, the fast quick-recovery normal operating conditions of electronic equipment, to reach in reading, the power saving object under application scenarios such as to browse, thus extend the time used of electronic equipment.
Inventor finds in the process realizing the invention: in the process realizing S0i-L pattern, even if screen has entered PSR state, but when system enters low power sleep mode, GPU also can first allow screen exit PSR state, now,, can screen backlight Chang Liang be there is in the displaying contents before screen cannot keep, but the phenomenon of display blank screen.
Summary of the invention
In view of this, the invention provides a kind of method and the electronic equipment that keep screen display content, to solve in prior art when system enters low power sleep mode, GPU can first allow screen exit PSR state, now, can there is screen backlight Chang Liang in the displaying contents before screen cannot keep, but the problem of the phenomenon of display blank screen, its technical scheme is as follows:
A kind of method keeping screen display content, be applied to an electronic equipment, described electronic equipment has first mode and the second pattern, the screen of described electronic equipment can enter the first state, in said first condition, the screen of described electronic equipment can keep displaying contents, described electronic equipment is provided with screen controller, graphic process unit and embedded controller, described graphic process unit can send the first order to described screen controller, described first order is used for making described electronic equipment exit the first state, described electronic equipment shows blank screen after exiting the first state, described method comprises:
Under the first mode of described electronic equipment, if described screen controller determines that the screen of described electronic equipment enters the first state, then send indication information to described embedded controller, and, lock described first state, no longer respond described first order that described graphic process unit sends, the screen that described indication information is used to indicate described electronic equipment enters described first state;
After described embedded controller receives described indication information, if receive the second order, then to described screen controller feedback response message, described second order is used for making described electronic equipment enter described second pattern;
When described screen controller receives described response message, make the screen of described electronic equipment maintain the locking of described first state, keep displaying contents to make the screen of described electronic equipment.
Described method also comprises:
After described embedded controller receives described indication information, if when not receiving described second order, then do not feed back described response message to described screen controller.
Described method also comprises:
When described screen controller does not receive the described response message of described embedded controller feedback, after the first preset duration, remove the locking of described first state.
The screen of described electronic equipment can show can interactive interface, describedly can show the option of operation of described second pattern by interactive interface, then detect whether to receive the second order and be specially:
Detect and whether receive the selection operation of user to the option of operation of described described second pattern that can interactive interface show.
A kind of electronic equipment, described electronic equipment has first mode and the second pattern, the screen of described electronic equipment can enter the first state, in said first condition, the screen of described electronic equipment can keep displaying contents, described electronic equipment is provided with screen controller, graphic process unit and embedded controller, described graphic process unit can send the first order to described screen controller, described first order is used for making described electronic equipment exit the first state, and described electronic equipment shows blank screen after exiting the first state;
Described screen controller, for under the first mode of described electronic equipment, if determine that the screen of described electronic equipment enters the first state, then send indication information to described embedded controller, and, lock described first state, no longer respond described first order that described graphic process unit sends, the screen that described indication information is used to indicate described electronic equipment enters described first state;
Described embedded controller, for after the described indication information receiving the transmission of described screen controller, if receive the second order, then to described screen controller feedback response message, described second order is used for making described electronic equipment enter described second pattern;
Described screen controller, also for when receiving the described response message of described embedded controller feedback, makes the screen of described electronic equipment maintain the locking of described first state, keeps displaying contents to make the screen of described electronic equipment.
Described embedded controller, also for after receiving described indication information, if when not receiving described second order, then do not feed back described response message to described screen controller.
Described screen controller, also for when not receiving the described response message of described embedded controller feedback, removes the locking of described first state after the first preset duration.
Described screen controller is connected by the interface being provided with described first state latched port with described embedded controller;
Described screen controller sends described indication information by described first state latched port to described embedded controller, enters described first state to indicate the screen of described electronic equipment;
Described embedded controller sends described response message by described first state latched port to described screen controller.
Technique scheme has following beneficial effect:
The method of maintenance screen display content provided by the invention and electronic equipment, after the screen of electronic equipment enters the first state (as PSR state), first the first state is locked by screen controller, then the locking of maintenance first state is determined whether by embedded controller, when embedded controller determines that electronic equipment enters the second pattern, displaying contents is kept in order to make the screen of electronic equipment, now maintain the locking of the first state, this makes after electronic equipment enters the second pattern, if electronic equipment enters the low power consumpting states such as sleep or dormancy, so screen controller is by the first order of the PSR state that exits of not response pattern processor transmission, but make the screen of electronic equipment keep displaying contents, not blank screen.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
A kind of schematic flow sheet keeping the method for screen display content that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of the method for the another kind maintenance screen display content that Fig. 2 provides for the embodiment of the present invention;
The structural representation of a kind of electronic equipment that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the another kind of electronic equipment that Fig. 4 provides for the embodiment of the present invention;
The hardware implementing architecture figure of the electronic equipment that Fig. 5 provides for the embodiment of the present invention;
Fig. 6 carries out the sequential chart of PSR behavior for electronic equipment that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to accompanying drawing 1, for a kind of schematic flow sheet keeping the method for screen display content that the embodiment of the present invention provides, the method is applied to an electronic equipment, this electronic equipment has first mode and the second pattern, the screen of electronic equipment can enter the first state, in a first state, the screen of electronic equipment can keep displaying contents, this electronic equipment is provided with screen controller, graphic process unit and embedded controller, graphic process unit can send the first order to screen controller, first order is used for making electronic equipment exit the first state, blank screen is shown after the screen of electronic equipment exits the first state, the method can comprise:
Step S101: under the first mode of electronic equipment, if screen controller determines that the screen of electronic equipment enters the first state, then send indication information to embedded controller, and, lock the first state, the first order of no longer response pattern processor transmission.
Wherein, the screen that indication information is used to indicate electronic equipment enters the first state.
Wherein, the first state can be PSR state.After the screen of electronic equipment enters PSR state, the screen of electronic equipment oneself constantly can refresh the picture of display, thus makes screen keep displaying contents.
Under normal circumstances, when electronic equipment is first mode, after the screen of electronic equipment enters PSR state, if electronic equipment enters the low power consumpting states such as sleep or dormancy, then graphic process unit can send the first order to screen controller, first allows the screen of electronic equipment exit PSR state, after the screen of electronic equipment exits PSR state,, can screen backlight Chang Liang be there is in the displaying contents before screen cannot keep, but the phenomenon of display blank screen.And in the present embodiment, screen controller is after detecting that electronic equipment enters PSR state, first PSR state is locked, after the locking of PSR state, if screen controller receives the first order that graphic process unit sends, then no longer respond the first order, that is, make the screen of electronic equipment not exit PSR state.
Step S102: after embedded controller receives indication information, if receive the second order, then to screen controller feedback response message.
Wherein, the second order is used to indicate electronic equipment and enters the second pattern.
In the embodiment of the present invention, embedded controller can control at any time the need of locking PSR state.Such as, when the second pattern is S0i-L pattern, because S0i-L pattern requirements electronic equipment is when entering the low power consumpting states such as sleep or dormancy, the screen of electronic equipment still keeps displaying contents, therefore, needs locking PSR state.After locking PSR state, after graphic process unit is closed, the screen of electronic equipment still can keep displaying contents.
Step S103: when screen controller receives response message, makes electronic equipment maintain the locking of the first state, keeps displaying contents to make the screen of electronic equipment.
Still in a second mode for S0i-L pattern is example, screen controller receives the response message that embedded controller sends, and shows that electronic equipment will enter S0i-L pattern.Because S0i-L pattern requirements electronic equipment is when entering the low power consumpting states such as sleep or dormancy, the screen of electronic equipment still needs to keep displaying contents, therefore, need to make the screen of electronic equipment keep PSR state always, namely the locking of PSR state is maintained, thus when making graphic process unit close, the screen of electronic equipment also can keep displaying contents.
In the method for the maintenance screen display content that the embodiment of the present invention provides, after the screen of electronic equipment enters PSR state, PSR state can first lock by screen controller, when electronic equipment enters S0i-L pattern, displaying contents is kept in order to make the screen of electronic equipment, now maintain the locking of PSR state, this makes after electronic equipment enters S0i-L pattern, if when electronic equipment enters the low power consumpting states such as sleep or dormancy, so screen controller is by the first order of the PSR state that exits of not response pattern processor transmission, but make the screen of electronic equipment keep displaying contents, not blank screen.The method that the embodiment of the present invention provides can make the screen of electronic equipment be in PSR state for a long time, and, realize simple.
Refer to Fig. 2, the another kind provided for the embodiment of the present invention keeps the schematic flow sheet of the method for screen display content, the method is applied to an electronic equipment, this electronic equipment has first mode and the second pattern, the screen of electronic equipment can enter the first state, in a first state, the screen of electronic equipment can keep displaying contents, this electronic equipment is provided with screen controller, graphic process unit and embedded controller, graphic process unit can send the first order to screen controller, first order is used for making electronic equipment exit the first state, blank screen is shown after the screen of electronic equipment exits the first state, the method can comprise:
Step S201: under the first mode of electronic equipment, if screen controller determines that the screen of electronic equipment enters the first state, then send indication information to embedded controller, and, lock the first state, the first order of no longer response pattern processor transmission.
Concrete, if screen controller detects that the screen of electronic equipment enters the first state, and the duration entering the first state is greater than the second preset duration, so determines that the screen of electronic equipment enters the first state.
Wherein, the screen that indication information is used to indicate electronic equipment enters the first state.
Wherein, the first state can be PSR state.After the screen of electronic equipment enters PSR state, the screen of electronic equipment oneself constantly can refresh the picture of display, thus makes screen keep displaying contents.
Under normal circumstances, when electronic equipment is first mode, after the screen of electronic equipment enters PSR state, if electronic equipment enters the low power consumpting states such as sleep or dormancy, then graphic process unit can send the first order to screen controller, first allows the screen of electronic equipment exit PSR state, after the screen of electronic equipment exits PSR state,, can screen backlight Chang Liang be there is in the displaying contents before screen cannot keep, but the phenomenon of display blank screen.And in the present embodiment, screen controller is after detecting that electronic equipment enters PSR state, first PSR state is locked, after the locking of PSR state, if screen controller receives the first order that graphic process unit sends, then no longer respond the first order, that is, make the screen of electronic equipment not exit PSR state.
Step S202a: after embedded controller receives indication information, if receive the second order, then to screen controller feedback response message.
After embedded controller receives indication information, PSR state has been entered by the screen of the known electronic equipment of indication information, now, embedded controller detects whether receive the second order, concrete, electronic equipment can show an interactive interface, interactive interface can show the option of operation of the second pattern, when user selects the option of operation of triggering second pattern, embedded controller receives the second order.
Wherein, the second order is used to indicate electronic equipment and enters the second pattern.
In the embodiment of the present invention, embedded controller can control at any time the need of locking PSR state.Such as, when the second pattern is S0i-L pattern, because S0i-L pattern requirements electronic equipment is when entering the low power consumpting states such as sleep or dormancy, the screen of electronic equipment still keeps displaying contents, therefore, needs locking PSR state.After locking PSR state, after graphic process unit is closed, the screen of electronic equipment still can keep displaying contents.
Step S203a: when screen controller receives response message, makes electronic equipment maintain the locking of the first state, keeps displaying contents to make the screen of electronic equipment.
Still in a second mode for S0i-L pattern is example, screen controller receives the response message that embedded controller sends, and shows that electronic equipment will enter S0i-L pattern.Because S0i-L pattern requirements electronic equipment is when entering the low power consumpting states such as sleep or dormancy, the screen of electronic equipment still needs to keep displaying contents, therefore, need to make the screen of electronic equipment keep PSR state always, namely the locking of PSR state is maintained, thus when making graphic process unit close, the screen of electronic equipment also can keep displaying contents.
Above-mentioned steps gives the processing mode when embedded controller receives the second order, provides processing mode when embedded controller does not receive the second order below:
Step S202b: after embedded controller receives indication information, if when not receiving the second order, then not to screen controller feedback response message.
It should be noted that, if embedded controller does not receive the second order, show that electronic equipment does not need to enter the second pattern, then not to screen controller feedback response message.
Step S203b: when screen controller does not receive the response message of embedded controller feedback, remove the locking of the first state after the first preset duration.
Exemplary, if screen controller does not receive the response message of embedded controller feedback, then show not need to lock PSR state, so, namely unlock after PSR state locking 80ms.
After removing the locking of the first state, if screen controller receives the first order that graphic process unit sends, then respond the first order, that is, make the screen of electronic equipment exit PSR state.
In the method for the maintenance screen display content that the embodiment of the present invention provides, the screen of electronic equipment is after entering PSR state, first PSR state is locked by screen controller, the situation that after the locking of PSR state, existence two kinds is possible, a kind of possible situation is that electronic equipment enters S0i-L pattern, in such a mode, displaying contents is kept in order to make the screen of electronic equipment, now maintain the locking of PSR state, this makes after electronic equipment enters S0i-L pattern, if electronic equipment enters the low power consumpting states such as sleep or dormancy, so screen controller is by the first order of the PSR state that exits of not response pattern processor transmission, but make the screen of electronic equipment keep displaying contents, not blank screen, another kind of possible situation is, electronic equipment does not enter S0i-L pattern, now remove the locking of PSR state, screen controller is made to get back to normal PSR state of a control.The method that the embodiment of the present invention provides can make the screen of electronic equipment be in PSR state for a long time, and, realize simple.
Refer to Fig. 3, for the structural representation of a kind of electronic equipment 30 that the embodiment of the present invention provides, this electronic equipment 30 has first mode and the second pattern, the screen of electronic equipment 30 can enter the first state, in a first state, the screen of electronic equipment 30 can keep displaying contents, this electronic equipment at least comprises screen controller 301, graphic process unit 302 and embedded controller 303, graphic process unit 302 can send the first order to screen controller 301, first order is used for making electronic equipment exit the first state, blank screen is shown after the screen of electronic equipment exits the first state.Wherein:
Screen controller 301, under the first mode of electronic equipment, when determining that the screen of electronic equipment 30 enters the first state, indication information is sent to embedded controller 303, further, the first state is locked, the first order of no longer response pattern processor 302 transmission.
Wherein, the screen that indication information is used to indicate electronic equipment enters the first state.First state can be PSR state.After the screen of electronic equipment enters PSR state, the screen of electronic equipment oneself constantly can refresh the picture of display, thus makes screen keep displaying contents.
Embedded controller 303, for after the indication information receiving screen controller 301 transmission, if receive the second order, then to screen controller 301 feedback response message.
Wherein, the second order is used to indicate electronic equipment and enters the second pattern.Second pattern can be S0i-L pattern.S0i-L pattern requirements electronic equipment is when entering the low power consumpting states such as sleep or dormancy, and the screen of electronic equipment still keeps displaying contents.
Screen controller 301, also for when receiving the response message that embedded controller 303 feeds back, makes electronic equipment maintain the locking of the first state, keeps displaying contents to make the screen of electronic equipment.
The electronic equipment that the embodiment of the present invention provides, after its screen enters PSR state, first PSR state is locked by screen controller, when electronic equipment enters S0i-L pattern, displaying contents is kept in order to make the screen of electronic equipment, the locking of PSR state is maintained by screen controller, this makes after electronic equipment enters S0i-L pattern, if when electronic equipment enters the low power consumpting states such as sleep or dormancy, so screen controller is by the first order of the PSR state that exits of not response pattern processor transmission, but make the screen of electronic equipment keep displaying contents, not blank screen.
Refer to Fig. 4, for the structural representation of a kind of electronic equipment 40 that the embodiment of the present invention provides, this electronic equipment 40 has first mode and the second pattern, the screen of electronic equipment 40 can enter the first state, in a first state, the screen of electronic equipment 40 can keep displaying contents, this electronic equipment at least comprises screen controller 401, graphic process unit 402 and embedded controller 403, graphic process unit 402 can send the first order to screen controller 401, first order is used for making electronic equipment exit the first state, blank screen is shown after the screen of electronic equipment exits the first state.Wherein:
Screen controller 401, under the first mode of electronic equipment, when determining that the screen of electronic equipment 40 enters the first state, indication information is sent to embedded controller 403, further, the first state is locked, the first order of no longer response pattern processor 402 transmission.
Wherein, the screen that indication information is used to indicate electronic equipment enters the first state.First state can be PSR state.After the screen of electronic equipment enters PSR state, the screen of electronic equipment oneself constantly can refresh the picture of display, thus makes screen keep displaying contents.
Embedded controller 403, for after the indication information receiving screen controller 401 transmission, if receive the second order, then to screen controller 401 feedback response message, if do not receive the second order, then not to screen controller 401 feedback response message.
Wherein, the second order is used to indicate electronic equipment and enters the second pattern.Second pattern can be S0i-L pattern.S0i-L pattern requirements electronic equipment is when entering the low power consumpting states such as sleep or dormancy, and the screen of electronic equipment still keeps displaying contents.
Screen controller 401, also for when receiving the response message that embedded controller 403 feeds back, electronic equipment is made to maintain the locking of the first state, displaying contents is kept to make the screen of electronic equipment, when not receiving the response message that embedded controller 403 feeds back, after the second preset duration, remove the locking of the first state.
Below by Fig. 5 and Fig. 6, the scheme that the embodiment of the present invention provides is further described:
Fig. 5 is the hardware implementing architecture figure of electronic equipment, wherein, screen controller is connected by connecting interface (EDP connector) with system end (comprising graphic process unit and embedded controller), connecting interface comprises power supply signal port, EDP show bus/AUX control bus signal port, controls screen and power on and the control signal port of backlight and PSR state latched port.
Wherein, PSR state latched port (PSR_LOCK GPIO) for the present invention be the port (increasing a PSR_LOCK pin in the pin of EDP connector) realizing the locking of PSR state and special setting.Screen controller enters PSR state by PSR_LOCK GPIO informed embed formula controller, and embedded controller also responds screen controller the need of the locking continuing to keep PSR state by PSR_LOCK GPIO.
In Fig. 6, be the PSR behavior of electronic equipment itself above dotted line frame, after namely the screen of electronic equipment enters PSR state, every 4s exits once.It is the agreement that the present invention newly defines in dotted line frame, TCON FWPSR LOCK STATUS is the state that screen controller (TCON) PSR locks, the GPIOPSR_LOCK of below is the communication bus of hardware, as can be seen from the figure, when the screen of electronic equipment was stabilized in PSR state after 1 second, screen controller TCON locks PSR state 80ms, send 40ms low pulse informed embed formula controller EC (inform that the screen of EC electronic equipment is stable and enter PSR state) simultaneously, if embedded controller EC does not respond screen controller TCON, then screen controller TCON can unlock after 80ms, electronic equipment continues normal PSR behavior, if embedded controller EC has responded the low pulse of 40ms of TCON next time, namely the low pulse of 10ms is responded, so screen controller TCON can continue to keep PSR locking, until embedded controller EC sends the low pulse of 300ms, represent that PSR lock-out state exits, locking next time afterwards.
The electronic equipment that the embodiment of the present invention provides, after its screen enters PSR state, first PSR state is locked by screen controller, the situation that after the locking of PSR state, existence two kinds is possible, a kind of possible situation is that electronic equipment enters S0i-L pattern, in such a mode, displaying contents is kept in order to make the screen of electronic equipment, now maintain the locking of PSR state, this makes after electronic equipment enters S0i-L pattern, if electronic equipment enters the low power consumpting states such as sleep or dormancy, so screen controller is by the first order of the PSR state that exits of not response pattern processor transmission, but make the screen of electronic equipment keep displaying contents, not blank screen, another kind of possible situation is, electronic equipment does not enter S0i-L pattern, now, remove the locking of PSR state, screen controller is made to get back to normal PSR state of a control.
It should be noted that, each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.For device or system class embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. one kind keeps the method for screen display content, it is characterized in that, be applied to an electronic equipment, described electronic equipment has first mode and the second pattern, the screen of described electronic equipment can enter the first state, in said first condition, the screen of described electronic equipment can keep displaying contents, described electronic equipment is provided with screen controller, graphic process unit and embedded controller, described graphic process unit can send the first order to described screen controller, described first order is used for making described electronic equipment exit the first state, blank screen is shown after the screen of described electronic equipment exits the first state, described method comprises:
Under the first mode of described electronic equipment, if described screen controller determines that the screen of described electronic equipment enters the first state, then send indication information to described embedded controller, and, lock described first state, no longer respond described first order that described graphic process unit sends, the screen that described indication information is used to indicate described electronic equipment enters described first state;
After described embedded controller receives described indication information, if receive the second order, then to described screen controller feedback response message, described second order is used for making described electronic equipment enter described second pattern;
When described screen controller receives described response message, make the screen of described electronic equipment maintain the locking of described first state, keep displaying contents to make the screen of described electronic equipment.
2. method according to claim 1, is characterized in that, described method also comprises:
After described embedded controller receives described indication information, if when not receiving described second order, then do not feed back described response message to described screen controller.
3. method according to claim 2, is characterized in that, described method also comprises:
When described screen controller does not receive the described response message of described embedded controller feedback, after the first preset duration, remove the locking of described first state.
4. method according to claims 1 to 3, is characterized in that, the screen of described electronic equipment can show can interactive interface, describedly can show the option of operation of described second pattern by interactive interface, then detect whether to receive the second order and be specially:
Detect and whether receive the selection operation of user to the option of operation of described described second pattern that can interactive interface show.
5. an electronic equipment, it is characterized in that, described electronic equipment has first mode and the second pattern, the screen of described electronic equipment can enter the first state, in said first condition, the screen of described electronic equipment can keep displaying contents, described electronic equipment is provided with screen controller, graphic process unit and embedded controller, described graphic process unit can send the first order to described screen controller, described first order is used for making described electronic equipment exit the first state, and described electronic equipment shows blank screen after exiting the first state;
Described screen controller, for under the first mode of described electronic equipment, if determine that the screen of described electronic equipment enters the first state, then send indication information to described embedded controller, and, lock described first state, no longer respond described first order that described graphic process unit sends, the screen that described indication information is used to indicate described electronic equipment enters described first state;
Described embedded controller, for after the described indication information receiving the transmission of described screen controller, if receive the second order, then to described screen controller feedback response message, described second order is used for making described electronic equipment enter described second pattern;
Described screen controller, also for when receiving the described response message of described embedded controller feedback, makes the screen of described electronic equipment maintain the locking of described first state, keeps displaying contents to make the screen of described electronic equipment.
6. electronic equipment according to claim 5, is characterized in that, described embedded controller, also for after receiving described indication information, if when not receiving described second order, then do not feed back described response message to described screen controller.
7. electronic equipment according to claim 6, is characterized in that, described screen controller, also for when not receiving the described response message of described embedded controller feedback, removes the locking of described first state after the first preset duration.
8. according to the electronic equipment described in claim 5 ~ 7, it is characterized in that, described screen controller is connected by the interface being provided with the first state latched port with described embedded controller;
Described screen controller sends described indication information by described first state latched port to described embedded controller, enters described first state to indicate the screen of described electronic equipment;
Described embedded controller sends described response message by described first state latched port to described screen controller.
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| CN201410057813.4A CN104866257B (en) | 2014-02-20 | 2014-02-20 | A kind of method and electronic equipment for keeping screen display content |
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| CN201410057813.4A CN104866257B (en) | 2014-02-20 | 2014-02-20 | A kind of method and electronic equipment for keeping screen display content |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106648025A (en) * | 2016-10-20 | 2017-05-10 | 深圳市万普拉斯科技有限公司 | Always on display method and terminal |
| CN109359009A (en) * | 2018-10-12 | 2019-02-19 | Oppo广东移动通信有限公司 | Display control method, electronic device and computer readable storage medium |
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| CN104866257B (en) | 2018-01-23 |
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