CN104866257B - A kind of method and electronic equipment for keeping screen display content - Google Patents
A kind of method and electronic equipment for keeping screen display content Download PDFInfo
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- CN104866257B CN104866257B CN201410057813.4A CN201410057813A CN104866257B CN 104866257 B CN104866257 B CN 104866257B CN 201410057813 A CN201410057813 A CN 201410057813A CN 104866257 B CN104866257 B CN 104866257B
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Abstract
This application provides a kind of method and electronic equipment for keeping screen display content, method includes：Under the first mode of electronic equipment, if screen controller detects that the screen of electronic equipment enters first state, configured information is sent to embedded controller, also, locks first state, the first order that no longer response pattern processor is sent；After embedded controller receives configured information, if receiving the second order, to screen controller feedback response message, second orders for making electronic equipment enter second mode；When screen controller receives response message, the screen of electronic equipment is set to maintain the locking of first state, so that the screen of electronic equipment keeps display content.The application causes electronic equipment after second mode is entered, if enter the low power consumpting states such as sleep or dormancy, then screen controller is not responding to the first order for exiting first state of graphics processor transmission, the screen of electronic equipment is kept display content, not blank screen.
Description
Technical field
The present invention relates to screen display technology field, more particularly to a kind of method of holding screen display content and electronics to set
It is standby.
Background technology
PSR technologies are screen Self-Refresh technology, when the picture on the screen of electronic equipment be in it is static when, image content will
It can be copied in the chip of the small storage of low-power consumption, then screen transfers to use the automatic refresh picture of data here, now,
GPU and internal memory can be with " taking a quick nap ", so as to reduce the power consumption of electronic equipment.
S0i-L patterns are in a kind of pattern for supporting that the platform of PSR technologies is realized, under S0i-L patterns, work as electronic equipment
For idle state when, if user does not operate to mouse, keyboard etc., and screen display is in tableaux, then allows electricity
Sub- equipment enters the low power consumpting states such as sleep or dormancy, but allows screen to remain in that display static content, when user is carried out
When mouse-keyboard etc. operates, the fast quick-recovery normal operating conditions of electronic equipment, to reach in the case where reading, the application scenarios such as browse
Power saving purpose, so as to extend the time used of electronic equipment.
Inventor has found during the invention is realized：During S0i-L patterns are realized, even if screen is
Through entering PSR states, but when system enters low power sleep mode, GPU also can first allow screen to exit PSR states, now, screen
Curtain can not keep before display content, it may occur that screen backlight Chang Liang, but show blank screen phenomenon.
The content of the invention
In view of this, it is existing to solve the invention provides a kind of method and electronic equipment for keeping screen display content
In technology when system enters low power sleep mode, GPU can first allow screen to exit PSR states, and now, screen can not keep it
Preceding display content, it may occur that screen backlight Chang Liang, but the problem of the phenomenon of display blank screen, its technical scheme is as follows：
A kind of method for keeping screen display content, applied to an electronic equipment, the electronic equipment has first mode
And second mode, the screen of the electronic equipment can enter first state, in said first condition, the screen of the electronic equipment
Curtain can keep display content, and the electronic equipment is provided with screen controller, graphics processor and embedded controller, the figure
Shape processor can send the first order to the screen controller, and described first orders for making the electronic equipment exit first
State, the electronic equipment show blank screen after exiting first state, and methods described includes：
Under the first mode of the electronic equipment, if the screen controller determines the screen of the electronic equipment
Into first state, then configured information is sent to the embedded controller, also, lock the first state, no longer responded
First order that the graphics processor is sent, the configured information are used to indicate that the screen of the electronic equipment enters institute
State first state；
After the embedded controller receives the configured information, if receiving the second order, to the screen
Curtain controller feedback response message, described second orders for making the electronic equipment enter the second mode；
When the screen controller receives the response message, the screen of the electronic equipment is set to maintain described first
The locking of state, so that the screen of the electronic equipment keeps display content.
Methods described also includes：
After the embedded controller receives the configured information, if do not receive second order,
The response message is not fed back to the screen controller.
Methods described also includes：
It is pre- first when the screen controller does not receive the response message of the embedded controller feedback
If the locking of the first state is released after duration.
Can be shown on the screen of the electronic equipment can interactive interface, it is described can interactive interface can show the second mode
Option of operation, then detect whether that receiving the second order is specially：
Detect whether to receive choosing of the user to the option of operation of the second mode that can be shown on interactive interface
Select operation.
A kind of electronic equipment, the electronic equipment have first mode and second mode, and the screen of the electronic equipment can
Into first state, in said first condition, the screen of the electronic equipment can keep display content, and the electronic equipment is set
Screen controller, graphics processor and embedded controller are equipped with, the graphics processor can be sent to the screen controller
First order, described first orders for making the electronic equipment exit first state, and the electronic equipment exits first state
After show blank screen；
The screen controller, under the first mode of the electronic equipment, if it is determined that go out the electronic equipment
Screen enter first state, then send configured information to the embedded controller, also, lock the first state, no
First order that the graphics processor is sent is responded again, and the configured information is used for the screen for indicating the electronic equipment
Into the first state；
The embedded controller, for after the configured information that the screen controller is sent is received, such as
Fruit receives the second order, then to the screen controller feedback response message, described second orders for setting the electronics
It is standby to enter the second mode；
The screen controller, it is additionally operable to, when receiving the response message of the embedded controller feedback, make
The screen of the electronic equipment maintains the locking of the first state, so that the screen of the electronic equipment keeps display content.
The embedded controller, it is additionally operable to after the configured information is received, if not receiving described second
During order, then the response message is not fed back to the screen controller.
The screen controller, it is additionally operable to when not receiving the response message of the embedded controller feedback,
The locking of the first state is released after the first preset duration.
The screen controller and the embedded controller are by being provided with the interface of the first state latched port
Connection；
The screen controller sends the instruction by the first state latched port to the embedded controller
Information, to indicate that the screen of the electronic equipment enters the first state；
The embedded controller sends the response by the first state latched port to the screen controller
Message.
Above-mentioned technical proposal has the advantages that：
The method and electronic equipment provided by the invention for keeping screen display content, enter first in the screen of electronic equipment
After state (such as PSR states), first first state can be locked by screen controller, then pass through embedded controller
Determine whether the locking of maintenance first state, when embedded controller determines that electronic equipment enters second mode, in order that
The screen of electronic equipment keeps display content, now maintains the locking of first state, this causes electronic equipment to enter second mode
Afterwards, if electronic equipment enters the low power consumpting states such as sleep or dormancy, then screen controller does not respond to graphics process
What device was sent exits the first order of PSR states, but the screen of electronic equipment is kept display content, not blank screen.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of the method for holding screen display content provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the method for another holding screen display content provided in an embodiment of the present invention；
Fig. 3 is the structural representation of a kind of electronic equipment provided in an embodiment of the present invention；
Fig. 4 is the structural representation of another electronic equipment provided in an embodiment of the present invention；
Fig. 5 is the hardware implementing architecture figure of electronic equipment provided in an embodiment of the present invention；
Fig. 6 is the timing diagram that electronic equipment provided in an embodiment of the present invention carries out PSR behaviors.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Accompanying drawing 1 is referred to, for a kind of flow signal of the method for holding screen display content provided in an embodiment of the present invention
Figure, this method are applied to an electronic equipment, and the electronic equipment has first mode and second mode, and the screen of electronic equipment can enter
Enter first state, in the first state, the screen of electronic equipment can keep display content, and the electronic equipment is provided with screen control
Device, graphics processor and embedded controller, graphics processor can send the first order to screen controller, and first orders and be used for
Electronic equipment is set to exit first state, the screen of electronic equipment shows blank screen after exiting first state, and this method can include：
Step S101：Under the first mode of electronic equipment, if screen controller determines that the screen of electronic equipment enters
Enter first state, then send configured information to embedded controller, also, lock first state, no longer response pattern processor
The first order sent.
Wherein, configured information is used to indicate that the screen of electronic equipment enters first state.
Wherein, first state can be PSR states.After the screen of electronic equipment enters PSR states, the screen of electronic equipment
Oneself can constantly refresh the picture of display, so that screen keeps display content.
Under normal circumstances, when electronic equipment is first mode, after the screen of electronic equipment enters PSR states, such as
Fruit electronic equipment enters the low power consumpting states such as sleep or dormancy, then graphics processor can send the first life to screen controller
Order, the screen of electronic equipment is first allowed to exit PSR states, after the screen of electronic equipment exits PSR states, before screen can not be kept
Display content, it may occur that screen backlight Chang Liang, but show blank screen phenomenon.And in the present embodiment, screen controller is being examined
Electronic equipment is measured into after PSR states, first locks PSR states, after the locking of PSR states, if screen controller receives
The first order sent to graphics processor, the then no longer order of response first, i.e. make the screen of electronic equipment not exit PSR shapes
State.
Step S102：After embedded controller receives configured information, if receiving the second order, to screen control
Device feedback response message processed.
Wherein, second order for indicating that electronic equipment enters second mode.
In the embodiment of the present invention, embedded controller can control whether to need to lock PSR states at any time.For example, second
When pattern is S0i-L patterns, because S0i-L patterns require electronic equipment when entering the low power consumpting states such as sleep or dormancy,
The screen of electronic equipment remains in that display content, therefore, it is necessary to locks PSR states.After locking PSR states, graphics process
After device is closed, the screen of electronic equipment still can keep display content.
Step S103：When screen controller receives response message, electronic equipment is set to maintain the locking of first state, with
The screen of electronic equipment is set to keep display content.
Still it is that the response that screen controller receives embedded controller transmission disappears exemplified by S0i-L patterns in a second mode
Breath, shows that electronic equipment will enter S0i-L patterns.Because S0i-L patterns require that electronic equipment is entering sleep or dormancy etc.
During low power consumpting state, the screen of electronic equipment still needs holding display content, therefore, it is necessary to makes the screen of electronic equipment always
PSR states are kept, that is, maintain the locking of PSR states, so that when graphics processor is closed, the screen of electronic equipment can also be kept
Display content.
In the method for holding screen display content provided in an embodiment of the present invention, enter PSR shapes in the screen of electronic equipment
After state, screen controller first can be locked PSR states, when electronic equipment enters S0i-L patterns, in order that electronics is set
Standby screen keeps display content, now maintains the locking of PSR states, and this causes electronic equipment to enter after S0i-L patterns, such as
When fruit electronic equipment enters the low power consumpting states such as sleep or dormancy, then screen controller does not respond to graphics processor transmission
Exit the first order of PSR states, but the screen of electronic equipment is kept display content, not blank screen.The embodiment of the present invention
The method of offer can make the screen of electronic equipment be in PSR states for a long time, also, realize simple.
Referring to Fig. 2, the flow signal of the method for another holding screen display content provided in an embodiment of the present invention
Figure, this method are applied to an electronic equipment, and the electronic equipment has first mode and second mode, and the screen of electronic equipment can enter
Enter first state, in the first state, the screen of electronic equipment can keep display content, and the electronic equipment is provided with screen control
Device, graphics processor and embedded controller, graphics processor can send the first order to screen controller, and first orders and be used for
Electronic equipment is set to exit first state, the screen of electronic equipment shows blank screen after exiting first state, and this method can include：
Step S201：Under the first mode of electronic equipment, if screen controller determines that the screen of electronic equipment enters
Enter first state, then send configured information to embedded controller, also, lock first state, no longer response pattern processor
The first order sent.
Specifically, if screen controller detects that the screen of electronic equipment enters first state, also, enter the first shape
The duration of state is more than the second preset duration, then determines that the screen of electronic equipment enters first state.
Wherein, configured information is used to indicate that the screen of electronic equipment enters first state.
Wherein, first state can be PSR states.After the screen of electronic equipment enters PSR states, the screen of electronic equipment
Oneself can constantly refresh the picture of display, so that screen keeps display content.
Under normal circumstances, when electronic equipment is first mode, after the screen of electronic equipment enters PSR states, such as
Fruit electronic equipment enters the low power consumpting states such as sleep or dormancy, then graphics processor can send the first life to screen controller
Order, the screen of electronic equipment is first allowed to exit PSR states, after the screen of electronic equipment exits PSR states, before screen can not be kept
Display content, it may occur that screen backlight Chang Liang, but show blank screen phenomenon.And in the present embodiment, screen controller is being examined
Electronic equipment is measured into after PSR states, first locks PSR states, after the locking of PSR states, if screen controller receives
The first order sent to graphics processor, the then no longer order of response first, i.e. make the screen of electronic equipment not exit PSR shapes
State.
Step S202a：After embedded controller receives configured information, if receiving the second order, to screen
Controller feedback response message.
After embedded controller receives configured information, the screen for understanding electronic equipment by configured information has been enter into PSR
State, now, embedded controller detect whether to receive the second order, specifically, electronic equipment can show an interactive interface,
The option of operation of second mode can be shown on interactive interface, it is embedded when user selects the option of operation of triggering second mode
Controller receives the second order.
Wherein, second order for indicating that electronic equipment enters second mode.
In the embodiment of the present invention, embedded controller can control whether to need to lock PSR states at any time.For example, second
When pattern is S0i-L patterns, because S0i-L patterns require electronic equipment when entering the low power consumpting states such as sleep or dormancy,
The screen of electronic equipment remains in that display content, therefore, it is necessary to locks PSR states.After locking PSR states, graphics process
After device is closed, the screen of electronic equipment still can keep display content.
Step S203a：When screen controller receives response message, electronic equipment is set to maintain the locking of first state,
So that the screen of electronic equipment keeps display content.
Still it is that the response that screen controller receives embedded controller transmission disappears exemplified by S0i-L patterns in a second mode
Breath, shows that electronic equipment will enter S0i-L patterns.Because S0i-L patterns require that electronic equipment is entering sleep or dormancy etc.
During low power consumpting state, the screen of electronic equipment still needs holding display content, therefore, it is necessary to makes the screen of electronic equipment always
PSR states are kept, that is, maintain the locking of PSR states, so that when graphics processor is closed, the screen of electronic equipment can also be kept
Display content.
Above-mentioned steps give the processing mode when embedded controller receives the second order, are given below embedded
Controller does not receive processing mode during the second order：
Step S202b：After embedded controller receives configured information, if do not receive the second order, no
To screen controller feedback response message.
It should be noted that if embedded controller does not receive the second order, show that electronic equipment need not enter
Second mode, then not to screen controller feedback response message.
Step S203b：It is default first when screen controller does not receive the response message of embedded controller feedback
The locking of first state is released after duration.
Exemplary, if screen controller does not receive the response message of embedded controller feedback, show to be not required to
PSR states are locked, then, unlocked after PSR states lock 80ms.
After the locking for releasing first state, if screen controller receives the first order of graphics processor transmission,
The order of response first, i.e. make the screen of electronic equipment exit PSR states.
In the method for holding screen display content provided in an embodiment of the present invention, the screen of electronic equipment is entering PSR shapes
After state, first PSR states can be locked by screen controller, two kinds of possible situations be present after the locking of PSR states, it is a kind of
Possible situation is that electronic equipment enters S0i-L patterns, in such a mode, in order that the screen of electronic equipment is kept in display
Hold, now maintain the locking of PSR states, this causes electronic equipment to enter after S0i-L patterns, if electronic equipment enters sleep
Or the low power consumpting state such as dormancy, then screen controller does not respond to exit PSR states the first of graphics processor transmission
Order, but the screen of electronic equipment is kept display content, blank screen, alternatively possible situation are not that electronic equipment does not enter
Enter S0i-L patterns, now release the locking of PSR states, screen controller is returned to normal PSR state of a controls.It is of the invention real
Applying the method for example offer can make the screen of electronic equipment be in PSR states for a long time, also, realize simple.
Referring to Fig. 3, be the structural representation of a kind of electronic equipment 30 provided in an embodiment of the present invention, the electronic equipment 30
With first mode and second mode, the screen of electronic equipment 30 can enter first state, in the first state, electronic equipment 30
Screen can keep display content, the electronic equipment comprises at least screen controller 301, graphics processor 302 and embedded control
Device 303 processed, graphics processor 302 can send the first order to screen controller 301, and first orders for exiting electronic equipment
First state, the screen of electronic equipment show blank screen after exiting first state.Wherein：
Screen controller 301, under the first mode of electronic equipment, when the screen for determining electronic equipment 30 enters
During first state, configured information is sent to embedded controller 303, also, lock first state, no longer response pattern processor
302 the first orders sent.
Wherein, configured information is used to indicate that the screen of electronic equipment enters first state.First state can be PSR shapes
State.After the screen of electronic equipment enters PSR states, the screen oneself of electronic equipment can constantly refresh the picture of display, so that
Screen keeps display content.
Embedded controller 303, for receive screen controller 301 transmission configured information after, if receive
To the second order, then to the feedback response message of screen controller 301.
Wherein, second order for indicating that electronic equipment enters second mode.Second mode can be S0i-L patterns.
S0i-L patterns require electronic equipment when entering the low power consumpting states such as sleep or dormancy, and the screen of electronic equipment remains in that
Display content.
Screen controller 301, it is additionally operable to, when receiving the response message of the feedback of embedded controller 303, set electronics
The standby locking for maintaining first state, so that the screen of electronic equipment keeps display content.
Electronic equipment provided in an embodiment of the present invention, after its screen enters PSR states, can first will by screen controller
PSR states are locked, and when electronic equipment enters S0i-L patterns, in order that the screen of electronic equipment keeps display content, are led to
The locking that screen controller maintains PSR states is crossed, this causes electronic equipment to enter after S0i-L patterns, if electronic equipment enters
When entering sleep or the low power consumpting state such as dormancy, then what screen controller did not responded to graphics processor transmission exits PSR shapes
The first of state is ordered, but the screen of electronic equipment is kept display content, not blank screen.
Referring to Fig. 4, be the structural representation of a kind of electronic equipment 40 provided in an embodiment of the present invention, the electronic equipment 40
With first mode and second mode, the screen of electronic equipment 40 can enter first state, in the first state, electronic equipment 40
Screen can keep display content, the electronic equipment comprises at least screen controller 401, graphics processor 402 and embedded control
Device 403 processed, graphics processor 402 can send the first order to screen controller 401, and first orders for exiting electronic equipment
First state, the screen of electronic equipment show blank screen after exiting first state.Wherein：
Screen controller 401, under the first mode of electronic equipment, when the screen for determining electronic equipment 40 enters
During first state, configured information is sent to embedded controller 403, also, lock first state, no longer response pattern processor
402 the first orders sent.
Wherein, configured information is used to indicate that the screen of electronic equipment enters first state.First state can be PSR shapes
State.After the screen of electronic equipment enters PSR states, the screen oneself of electronic equipment can constantly refresh the picture of display, so that
Screen keeps display content.
Embedded controller 403, for receive screen controller 401 transmission configured information after, if receive
To the second order, then to the feedback response message of screen controller 401, if not receiving the second order, not to screen control
The feedback response message of device 401.
Wherein, second order for indicating that electronic equipment enters second mode.Second mode can be S0i-L patterns.
S0i-L patterns require electronic equipment when entering the low power consumpting states such as sleep or dormancy, and the screen of electronic equipment remains in that
Display content.
Screen controller 401, it is additionally operable to, when receiving the response message of the feedback of embedded controller 403, set electronics
The standby locking for maintaining first state, so that the screen of electronic equipment keeps display content, when not receiving embedded controller 403
During the response message of feedback, after the second preset duration, the locking of first state is released.
Scheme provided in an embodiment of the present invention is further described below by Fig. 5 and Fig. 6：
Fig. 5 is the hardware implementing architecture figure of electronic equipment, wherein, screen controller and system end (including graphics processor
And embedded controller) connected by connecting interface (EDP connectors), include power supply signal port in connecting interface, EDP is shown
Electricity and control signal port and the PSR state latched ports of backlight in bus/AUX controlling bus signal port, control screen.
Wherein, PSR states latched port (PSR_LOCK GPIO) is that the present invention is to realize the lockings of PSR states and special
The port (increasing a PSR_LOCK pin in the pin of EDP connectors) of setting.Screen controller passes through PSR_LOCK
GPIO notice embedded controllers enter PSR states, and embedded controller responds screen controller also by PSR_LOCK GPIO
Whether need to continue the locking for keeping PSR states.
It is the PSR behaviors of electronic equipment in itself above dotted line frame in Fig. 6, i.e., after the screen of electronic equipment enters PSR states
Exited once per 4s.It is the agreement that the present invention newly defines in dotted line frame, TCON FW PSR LOCK STATUS are screen controllers
(TCON) state of PSR lockings, the GPIO PSR_LOCK of lower section are the communication bus of hardware, it can be seen that working as electronics
The screen of equipment is stable after PSR states 1 second, screen controller TCON locking PSR state 80ms, is simultaneously emitted by the low pulses of 40ms
Notice embedded controller EC (informs that the screen of EC electronic equipments is stablized and enters PSR states), if embedded controller EC
Screen controller TCON is not responded, then screen controller TCON can unlock after 80ms, and electronic equipment continues normal PSR
Behavior, if embedded controller EC has responded the TCON low pulses of 40ms next time, that is, respond the low pulses of 10ms, then screen
Controller TCON may proceed to keep PSR lockings, until embedded controller EC sends the low pulses of 300ms, expression PSR lock-out states
Exit, be next locking afterwards.
Electronic equipment provided in an embodiment of the present invention, after its screen enters PSR states, can first will by screen controller
PSR states are locked, and two kinds of possible situations after the locking of PSR states be present, and a kind of possible situation enters for electronic equipment
S0i-L patterns, in such a mode, in order that the screen of electronic equipment keeps display content, now maintain the lock of PSR states
Fixed, this causes electronic equipment to enter after S0i-L patterns, if electronic equipment enters the low power consumpting states such as sleep or dormancy,
So screen controller does not respond to the first order for exiting PSR states of graphics processor transmission, but makes electronic equipment
Screen keeps display content, and blank screen, alternatively possible situation are not that electronic equipment does not enter S0i-L patterns, now, releases
The locking of PSR states, screen controller is set to return to normal PSR state of a controls.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
For device or system class embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
Any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Directly it can be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory（RAM）, internal memory, read-only deposit
Reservoir（ROM）, electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
- A kind of 1. method for keeping screen display content, it is characterised in that applied to an electronic equipment, the electronic equipment has First mode and second mode, the screen of the electronic equipment can enter first state, in said first condition, the electronics The screen of equipment can keep display content, and the electronic equipment is provided with screen controller, graphics processor and embedded Control Device, the graphics processor can send the first order to the screen controller, and described first orders for setting the electronics Standby to exit first state, the screen of the electronic equipment shows blank screen after exiting first state, and methods described includes：Under the first mode of the electronic equipment, if the screen controller determines that the screen of the electronic equipment enters First state, then configured information is sent to the embedded controller, also, lock the first state, no longer described in response First order that graphics processor is sent, the configured information are used to indicate that the screen of the electronic equipment to enter described the One state；After the embedded controller receives the configured information, if receiving the second order, to the screen control Device feedback response message processed, described second orders for making the electronic equipment enter the second mode；When the screen controller receives the response message, the screen of the electronic equipment is set to maintain the first state Locking so that the electronic equipment screen keep display content.
- 2. according to the method for claim 1, it is characterised in that methods described also includes：After the embedded controller receives the configured information, if do not receive it is described second order, not to The screen controller feeds back the response message.
- 3. according to the method for claim 2, it is characterised in that methods described also includes：When the screen controller does not receive the response message of the embedded controller feedback, when first is default The locking of the first state is released after length.
- 4. according to the method described in claims 1 to 3 any one, it is characterised in that can show on the screen of the electronic equipment Show can interactive interface, it is described can interactive interface can show the option of operation of the second mode, then detect whether to receive second Order is specially：Detect whether to receive selection of the user to the option of operation of the second mode that can be shown on interactive interface to grasp Make.
- 5. a kind of electronic equipment, it is characterised in that the electronic equipment has first mode and second mode, the electronic equipment Screen can enter first state, in said first condition, the screen of the electronic equipment can keep display content, the electricity Sub- equipment is provided with screen controller, graphics processor and embedded controller, and the graphics processor can be to the screen control Device processed sends the first order, and described first orders for making the electronic equipment exit first state, and the electronic equipment exits Blank screen is shown after first state；The screen controller, under the first mode of the electronic equipment, if it is determined that go out the screen of the electronic equipment Curtain enters first state, then sends configured information to the embedded controller, also, locks the first state, no longer rings First order that the graphics processor is sent is answered, the configured information is used to indicate that the screen of the electronic equipment to enter The first state；The embedded controller, for after the configured information that the screen controller is sent is received, if connect The second order is received, then to the screen controller feedback response message, described second orders for entering the electronic equipment Enter the second mode；The screen controller, it is additionally operable to, when receiving the response message of the embedded controller feedback, make described The screen of electronic equipment maintains the locking of the first state, so that the screen of the electronic equipment keeps display content.
- 6. electronic equipment according to claim 5, it is characterised in that the embedded controller, be additionally operable to receiving After the configured information, if do not receive second order, the response is not fed back to the screen controller Message.
- 7. electronic equipment according to claim 6, it is characterised in that the screen controller, be additionally operable to not receive During the response message of the embedded controller feedback, the locking of the first state is released after the first preset duration.
- 8. according to the electronic equipment described in claim 5~7 any one, it is characterised in that the screen controller and described Embedded controller is connected by being provided with the interface of first state latched port；The screen controller sends the configured information by the first state latched port to the embedded controller, To indicate that the screen of the electronic equipment enters the first state；The embedded controller sends the response message by the first state latched port to the screen controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN201515421U (en) * | 2009-10-16 | 2010-06-23 | 英华达（南京）科技有限公司 | Dual-mode mobile phone and power supply system thereof |
| CN103593040A (en) * | 2012-08-17 | 2014-02-19 | 宏碁股份有限公司 | Power management system and power management method |
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| US20040212610A1 (en) * | 2003-04-25 | 2004-10-28 | Dell Products L.P. | Method and apparatus for associating display configuration information with respective displays of an information handling system |
| US8996901B2 (en) * | 2010-03-31 | 2015-03-31 | Lenovo (Singapore) Pte. Ltd. | Power management of electronic device with display |
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| CN201515421U (en) * | 2009-10-16 | 2010-06-23 | 英华达（南京）科技有限公司 | Dual-mode mobile phone and power supply system thereof |
| CN103593040A (en) * | 2012-08-17 | 2014-02-19 | 宏碁股份有限公司 | Power management system and power management method |
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