CN105446462A - Display method, device, circuit and electronic equipment - Google Patents
Display method, device, circuit and electronic equipment Download PDFInfo
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- CN105446462A CN105446462A CN201410300975.6A CN201410300975A CN105446462A CN 105446462 A CN105446462 A CN 105446462A CN 201410300975 A CN201410300975 A CN 201410300975A CN 105446462 A CN105446462 A CN 105446462A
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Abstract
The invention provides a display method applied to electronic equipment; the electronic equipment comprises an EC, a GPU and a display screen; the display method comprises the following steps: obtaining running parameters of the electronic equipment; determining whether the electronic equipment running parameters satisfy a first preset switch condition or not; if yes, a central processor is closed, and the EC is switched to control the display screen images. The method can enter a sleep state when the electronic equipment satisfies the preset switch condition, i.e., the GPU is closed, and only the EC is needed to control screen display, no other component of the central processor is needed, thus ensuring the screen display content after the electronic equipment enters the sleep state, reducing electronic equipment power consumption, and prolonging electronic equipment duration time.
Description
Technical field
The present invention relates to electronic device field, in particular, relate to a kind of display packing, device circuit and electronic equipment.
Background technology
Along with the development of electronic technology, the performance requirement of user to electronic equipment is also more and more higher.Stand-by time has become the parameter that user comparatively pays close attention to.
When user is when doing some simple operationss, during as read news, novel etc., the content of this computer screen display is tableaux, and input media is if mouse or keyboard are also without any when operating, corresponding sub-fraction program in electronic equipment is only needed to run, and in prior art, the central processing unit capacity operation of this electronic equipment, the power consumption of computing machine is increased, causes cruising time short.
Summary of the invention
In view of this, the invention provides a kind of display packing, the problem that the electronic equipment cruising time solving that capacity operation unnecessary in prior art causes is short.
For achieving the above object, the invention provides following technical scheme:
A kind of display packing, described method is applied to an electronic equipment, and described electronic equipment comprises EC, GPU and display screen, and described display packing comprises:
Obtain the operational factor of described electronic equipment;
Judge whether the operational factor of described electronic equipment meets first and preset switching condition;
When described operational factor meets the first default switching condition, close described GPU, switch the image that described EC controls the display of described display screen.
Above-mentioned method, preferably, after obtaining the operational factor of described electronic equipment, also comprises:
Judge whether the operational factor of described electronic equipment meets second and preset switching condition;
When described operational factor meets the second default switching condition, start described GPU, stop described EC to control the image of described display screen display, switch the image that described GPU controls the display of described display screen.
Above-mentioned method, preferably, after judging that described operational factor meets default switching condition, before closing described GPU, also comprises:
Obtain the attribute information of current described screen, described attribute information comprises screen display content and/or backlight illumination.
Above-mentioned method, preferably, when the attribute information of described current described screen comprises screen display content, the image that the described EC of described switching controls the display of described display screen specifically comprises:
Control described EC controls the follow-up display of described screen content according to described screen display content.
Above-mentioned method, preferably, when the attribute information of described current described screen comprises backlight illumination, after the described EC of described startup, also comprises:
The corresponding relation of the backlight illumination that foundation is preset and pulse width modulation (PWM), determines the pwm control signal corresponding with described backlight illumination, controls the display brightness of described screen to make described EC according to described pwm control signal.
Above-mentioned method, preferably, the described EC of described switching before closing described GPU, also comprises after controlling the image of described display screen display:
Obtain the first clocking value of the timer of described electronic equipment, described first clocking value is the time value of described timer timing from switching described EC;
Judge whether described first clocking value is greater than the first preset time value;
When being greater than, perform the described GPU step of described closedown.
Above-mentioned method, preferably, after the described GPU of described startup, stop described EC control described display screen display image before, also comprise:
Obtain the second clocking value of the timer of described electronic equipment, described second clocking value is the time value of described timer timing from starting described GPU;
Judge whether described second clocking value is greater than the second preset time value;
When being greater than, perform the image step that the described EC of described stopping controls the display of described display screen.
A kind of display device, described display device applications is in an electronic equipment, and described electronic equipment also comprises display screen, and described display device comprises EC and GPU, and described display device also comprises:
First acquisition module, for obtaining the operational factor of described electronic equipment;
First judge module, for judging whether the operational factor of described electronic equipment meets first and preset switching condition;
First control module, for when described operational factor meets the first default switching condition, closes described GPU, switches the image that described EC controls the display of described display screen.
Above-mentioned device, preferably, also comprises:
Second judge module, for judging whether the operational factor of described electronic equipment meets second and preset switching condition
Second control module, for when described operational factor meets the second default switching condition, starts described GPU, and controls to stop described EC to control described display screen, switches the displaying contents that described GPU controls described display screen.
Above-mentioned device, preferably, also comprises:
Second acquisition module, for obtaining the attribute information of current described screen, described attribute information comprises screen display content and/or backlight illumination.
Above-mentioned device, preferably, when the attribute information of described current described screen comprises screen display content, described first control module, close described GPU specifically for controlling, and control described EC controls the follow-up display of described screen content according to described screen display content.
Above-mentioned device, preferably, when the attribute information of described current described screen comprises backlight illumination, described first control module, also for the corresponding relation according to the backlight illumination preset and PWM, determine the pwm control signal corresponding with described backlight illumination, control the display brightness of described screen to make described EC according to described pwm control signal.
Above-mentioned device, preferably, described first control module comprises:
First acquiring unit, for obtaining the first clocking value of the timer of described electronic equipment, described first clocking value is the time value of described timer timing from switching described EC;
First judging unit, for judging whether described first clocking value is greater than the first preset time value;
First control module, for when described first clocking value is greater than the first preset time value, closes described GPU, switches the image that described EC controls the display of described display screen.
Above-mentioned device, preferably, the second control module comprises:
Second acquisition unit, for obtaining the second clocking value of the timer of described electronic equipment, described second clocking value is the time value of described timer timing from starting described GPU;
Second judging unit, for judging whether described second clocking value is greater than the second preset time value;
Second control module, for when described second clocking value is greater than the second preset time value, stops described EC to control the image of described display screen display.
A kind of display device circuit, described display device circuit application is in an electronic equipment, and described display device connects diode (LED) driving circuit and display screen circuit, and display device comprises: EC, GPU, the first switch and Control Component;
Wherein, the input end of described first switch connects EC and GPU respectively, the input end of the output terminal connection control assembly of described first switch;
Wherein, the output terminal of described Control Component connects LED drive circuit and display screen circuit respectively;
When the operational factor of described electronic equipment meets default switching condition, close described GPU, and start described EC, control the display of described display screen to make described EC;
Otherwise, close described EC, and start described GPU and control described GPU and run, with the displaying contents making described GPU control described display screen.
A kind of electronic equipment, described electronic equipment comprises display screen and the display device as described in above-mentioned any one.
A kind of electronic equipment, described electronic equipment comprises display screen and display device circuit as described above.
Known via above-mentioned technical scheme, compared with prior art, the invention provides a kind of display packing, be applied to electronic equipment, this electronic equipment comprises EC, GPU and display screen, and described display packing comprises: the operational factor obtaining described electronic equipment; Judge whether the operational factor of described electronic equipment meets first and preset switching condition; When described operational factor meets the first default switching condition, close described central processing unit, and switch the image that described EC controls the display of described display screen.Adopt the method, dormant state can be entered when electronic equipment meets and presets switching condition, namely GPU is closed, only control screen display according to EC, and without the need to starting other ingredients of central processing unit, ensure that electronic equipment can when entering dormant state, displaying contents on screen, reduce the power consumption of electronic equipment, make the cruising time of electronic equipment long.
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.
Fig. 1 is the process flow diagram of a kind of display packing embodiment 1 provided by the invention;
Fig. 2 is the process flow diagram of a kind of display packing embodiment 2 provided by the invention;
Fig. 3 is the process flow diagram of a kind of display packing embodiment 3 provided by the invention;
Fig. 4 is the pwm control logic schematic diagram of a kind of display packing embodiment 3 provided by the invention;
Fig. 5 is the process flow diagram of a kind of display packing embodiment 4 provided by the invention;
Fig. 6 is the time diagram of a kind of display packing embodiment 4 provided by the invention;
Fig. 7 is the structural representation of a kind of display device embodiment 1 provided by the invention;
Fig. 8 is the structural representation of a kind of display device embodiment 2 provided by the invention;
Fig. 9 is the structural representation of a kind of display device embodiment 3 provided by the invention;
Figure 10 is the structural representation of a kind of display device embodiment 4 provided by the invention;
Figure 11 is the schematic diagram of a kind of display device circuit embodiments provided by the invention;
Figure 12 is the concrete structure schematic diagram of a kind of display device circuit embodiments provided by the invention.
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.
In order to more specifically emphasize the independence implemented, this instructions relates to number of modules or unit.For example, module or unit can be realized by hardware circuit, and this hardware circuit comprises special VLSI circuit or gate array, such as logic chip, transistor, or other assembly.Module or unit also can realize in programmable computer hardware, such as field effect programmable gate array, programmable logic array, programmable logic device etc.
Module or unit also can realize in by the software performed by various forms of processor.Such as, computer instruction block that is that an executable code module can comprise one or more entity or logic, this block may be formed as, such as, object, program or function.But the performed part of identification module or unit does not need physically to put together, but can being made up of the different instruction being stored in diverse location, when combining in logic, forming module or unit and the object reached required by this module or unit.
In fact, executable code module or unit can be a single instruction or multiple instruction, even can be distributed in the several different code section being arranged in different programs, and across several memory device.Similarly, service data by identification and can be shown in this module or unit, and can implement in any suitable form and in any suitable data structure form inner tissue.Service data can assemble single data set, maybe can be distributed in the different position with different memory devices, and is only present in a system or network in electronic signal mode at least in part.
" embodiment " mentioned by this instructions or similar term represent characteristic, structure or the feature relevant with embodiment, are included at least one embodiment of the present invention.Therefore, this instructions occur term " in one embodiment ", " in an embodiment " and similar term may but inevitablely all point to identical embodiment.
Moreover characteristic of the present invention, structure or feature can combine in one or more embodiments by any way.Below illustrate and will provide many specific details, the examples such as such as programming, software module, user's selection, network trading, data base querying, database structure, hardware module, hardware circuit, hardware chip, to provide the understanding to the embodiment of the present invention.But those of ordinary skill in the related art will find out the present invention, even without utilizing wherein one or more specific detail, or utilize other method, assembly, material etc. also can implement.On the other hand, be the present invention that avoids confusion, known structure, material or operation are not described in detail.
The process flow diagram of a kind of display packing embodiment 1 that the application as shown in Figure 1 provides, described method can be applied to has GPU (GraphicProcessingUnit, graphic process unit), EC (EmbeddedController, flush bonding processor) and the electronic equipment of display screen, described computing machine can be the electronic equipment that desktop computer, notebook, panel computer, mobile phone, intelligent television etc. have display screen and multiprocessing core.
Wherein, the multiprocessing core of this electronic equipment includes GPU and EC, and other processors, and each above-mentioned processor constitutes the CPU of electronic equipment (CentralProcessingUnit, central processing unit).
The method specifically adopts following steps:
Step S101: the operational factor obtaining described electronic equipment;
Wherein, this operational factor comprises: the state parameter etc. of the user's operation information received and electronic equipment self-operating.
Concrete, user carries out operating the operation information produced to electronic equipment and comprises: user is to the operation information of any operation that this electronic equipment carries out;
Or this user is not to the timing time etc. that this electronic equipment operates.
Step S102: judge whether the operational factor of described electronic equipment meets first and preset switching condition;
Wherein, this first default switching condition comprises: user is not to the preset time value that electronic equipment operates.
When this operational factor meets default switching condition, then this electronic equipment enters dormant state, now needs process core useless for some in electronic equipment to close, and makes it out of service, reduces the power consumption of electronic equipment.
Concrete, when the timing time that this user does not operate electronic equipment meets preset time value, then this operational factor meets default switching condition, otherwise does not meet.
Concrete, when including the operation information generated when user triggers the button of switching state in the operational factor received, then this operational factor meets the first default switching condition.
It should be noted that, in reality is implemented, also can judge whether this operation information meets an operating conditions preset, to determine whether this operation information is that user's trigger key initiatively generates, when be defined as that user's trigger key initiatively generates time, then carry out step S102, otherwise, ignore this operation information, the mistake caused to reduce user's touch of key-press by accident switches.
Step S103: when operational factor meets the first default switching condition, close described GPU, switches the image that described EC controls the display of described display screen.
Wherein, when the operational factor of this electronic equipment meets default switching condition, control to close this GPU, stop the control that this GPU carries out the displaying contents of display screen, electronic equipment enters the dormant state of low-power consumption; Switch EC adapter and control this screen display, the displaying contents of this EC to this display screen is controlled.
It should be noted that, when GPU is when controlling display screen display, other corresponding display structures in central processing unit coordinate with this GPU, when causing like this maintaining display screen displaying contents when electronic equipment enters dormant state, this GPU and other display structure maintenance work states, make the power consumption of electronic equipment low not; And during EC operation, it coordinates without the need to other corresponding display structures, when maintaining display screen displaying contents when electronic equipment enters dormant state, only need this EC to run, GPU and other display structures are stopped power supply, to make the lower power consumption of electronic equipment.
To sum up, a kind of display packing provided in the present embodiment, dormant state can be entered when electronic equipment meets the first default switching condition, namely close GPU, only control screen display according to EC, and without the need to starting other ingredients of central processing unit, ensure that electronic equipment can when entering dormant state, displaying contents on screen, reduces the power consumption of electronic equipment, makes the cruising time of electronic equipment long.
The process flow diagram of a kind of display packing embodiment 2 that the application as shown in Figure 2 provides, this method is realized by following steps:
Step S201: the operational factor obtaining described electronic equipment;
Step S202: judge whether the operational factor of described electronic equipment meets first and preset switching condition;
Step S203: when described operational factor meets the first default switching condition, close described GPU, switches the image that described EC controls the display of described display screen.
Step S204: judge whether the operational factor of described electronic equipment meets second and preset switching condition;
Concrete, when this electronic equipment is provided with the button of switching state, second presets switching condition comprises: comprise the operation information that user triggers the generation of this button in this operational factor.
Concrete, when including the operation information generated when user triggers the button switching back duty in the operational factor received, then this operational factor meets the second default switching condition, otherwise does not meet.
Step S205: when described operational factor meets the second default switching condition, start described GPU, stops described EC to control the image of described display screen display, switches the image that described GPU controls the display of described display screen.
Wherein, when the operational factor of this electronic equipment meets the second default switching condition, control the control stopping this EC to carry out the displaying contents of display screen, electronic equipment exits dormant state; Start GPU, the displaying contents of this GPU to this display screen is controlled.
Adopt the method, when exiting dormant state, only need continue power supply to the GPU stopped power supply, resumption of service is rapid.
It should be noted that, although first perform step S202-203 in the present embodiment, enter the step of dormant state, then perform the step entering duty of step S204-205, but be not limited to this, in actual enforcement, ruuning situation that can be current according to electronic equipment, selects corresponding condition adjudgement, as when electronic equipment is in dormant state, only carry out the judgement that second presets switching condition, when electronic equipment is in running order, only carry out the judgement that first presets switching condition.
To sum up, a kind of display packing provided in the present embodiment, displaying contents is continued at electronic equipment screen ensure that when electronic equipment enters dormant state, when exiting dormant state, only need continue power supply to the GPU stopped power supply etc., without the need to other operations, can Quick-return duty, improve Consumer's Experience.
The process flow diagram of a kind of display packing embodiment 3 that the application as shown in Figure 3 provides, this method is realized by following steps:
Step S301: the operational factor obtaining described electronic equipment;
Step S302: judge whether the operational factor of described electronic equipment meets first and preset switching condition;
Wherein, step S301-302 is consistent with the step S101-102 in embodiment 1, repeats no more in the present embodiment.
Step S303: the attribute information obtaining current described screen;
Wherein, this attribute information comprises screen display content and/or backlight illumination.
Concrete, before electronic equipment enters the dormant state of low-power consumption, obtain the attribute information of this electronic equipment current screen, for follow-up enter dormant state after, control electronic equipment screen to make EC according to this attribute information and continue displaying contents.
Concrete, the backlight illumination of definition upper strata EM (power management, EnergyManage) software reads and notification protocol, when obtaining the attribute information of this screen, by the screen backlight brightness value that upper strata EM software reading system is current.
Concrete, the attribute information buffer memory that this acquires is to predeterminated position, this predeterminated position comprises storage area corresponding to EC, or keep in the storage organization run in this electronic equipment, do not limit in this predeterminated position the present embodiment, only need ensure that this EC can obtain the attribute information of this buffer memory from this storage area or storage organization.
Step S304: close described GPU, switches the image that described EC controls the display of described display screen;
Wherein, step S304 is consistent with the step S103 in embodiment 1, repeats no more in the present embodiment.
Step S305: control described EC controls the follow-up display of described screen content according to described screen display content.
Wherein, when the attribute information of described current described screen comprises screen display content, EC controls the display of described display screen, specifically comprises: control described EC controls described screen displaying contents according to described screen display content, controls the display of described display screen to make described EC.
Wherein, when the attribute information of described current described screen comprises backlight illumination, institute EC controls the display of described display screen, specifically comprises:
First this backlight illumination and PWM (Pulse-WidthModulation is preset, pulse-length modulation) corresponding relation, then determine the pwm control signal corresponding with described backlight illumination according to this corresponding relation, control the display brightness of described screen to make described EC according to described pwm control signal.
As Fig. 4, to show pwm control logic schematic diagram as follows:
In figure, the direction of arrow represents signal transmission direction.
When EC controls screen display content: upper layer software (applications) EM reading system brightness exponent number, the brightness value of corresponding exponent number is write to register TCON, the PWM output signal of video card, BIOS (BasicInputOutputSystem, Basic Input or Output System (BIOS)) this PWM output signal is reported operating system, the brightness of 0-100 rank is preset with in operating system, this upper layer software (applications) can also control the application programming interfaces of video card (IntelGraphicsdiverAPI), output signal in the register (PanelTCON) of display screen, by EDP (EmbeddedDisplayPort in this register, digital audio video transmission interface) AUX (Auxiliary, auxiliary) channel (passage) writes the interface defined to PanelTCON (control panel register) and controls DPCD and then control the output of fixing PWM mode, and then export PanelLEDDriver (driving circuit of display screen) to.
When GPU controls screen display content: video card hardware exports PWM (GraphicsPWM output) signal, to PWM module, and then exports the driving circuit (PanelLEDDriver) of display screen to.
Because this backlight illumination is corresponding with TCONFW (TimeControllerFirmware, time controller firmware), then the corresponding relation of backlight illumination and PWM can be exchanged into the corresponding relation of brightness PWM dutycycle and TCONFW.
Concrete, the corresponding relation of this brightness PWM dutycycle and TCONFW is as shown in table 1.
| PWMI | 0x1994 |
| 1％ | 03 |
| 2％ | 05 |
| 3％ | 08 |
| 4％ | 0A |
| … | … |
| 50％ | 80 |
| … | … |
| 98％ | FA |
| 99％ | FD |
| 100％ | FF |
Table 1
Determine according to table 1 PWM that brightness value is corresponding, and then export corresponding pwm signal.
Concrete, as the described GPU of closedown, and when switching described EC control screen display, this electronic equipment enters the dormant state of low-power consumption, and now, this EC controls the displaying contents of screen according to the attribute information obtained.
Concrete, the screen display content obtained according to step S303 and/or backlight illumination, EC refreshes to the electronic equipment screen entering dormant state, it is identical that the content shown to make it and electronic equipment enter the content shown before dormant state, and in the dormant state of electronic equipment, screen maintains this content of display.
Such as, user needs to carry out the stable of long period to the content of the current display of computer screen and displays the play, in continuing in 10 minutes, a certain page of a certain document is shown, enter the dormant state of low-power consumption at computing machine before, to the content shown in this computing machine, comprise: displaying contents and backlight illumination carry out buffer memory, after entering dormant state, GPU is out of service, content information corresponding for this image obtains from buffer memory by EC, and the pixel of computer screen is refreshed, continue to show this image, while ensure that this image can continue to show in computer screen, again reduce computing machine power consumption.
To sum up, a kind of display packing provided in the present embodiment, before electronic equipment enters Low-power-consumptiodormancy dormancy state, the attribute information of electronic equipment screen is obtained, and after middle electronic equipment enters dormant state, control EC refreshes electronic equipment screen according to this attribute information, makes to continue displaying contents in this screen, while ensure that this image can continue to show in computer screen, again reduce computing machine power consumption.
The process flow diagram of a kind of display packing embodiment 4 that the application as shown in Figure 5 provides, this method is realized by following steps:
Step S501: the operational factor obtaining described electronic equipment;
Step S502: judge whether the operational factor of described electronic equipment meets first and preset switching condition;
When described operational factor meets the first default switching condition, perform step S503, otherwise perform step S507;
Wherein, step S501-502 is consistent with step S201-202 in embodiment 2, repeats no more in the present embodiment.
Step S503: switch the image that described EC controls the display of described display screen;
Wherein, when the running state parameter of electronic equipment meets the first default switching condition, the GPU controlling electronic equipment screen displaying contents is replaced with EC.
Step S504: the first clocking value obtaining the timer of described electronic equipment;
Wherein, described first clocking value is the time value of described timer timing from switching described EC and controlling the image of described display screen display;
Wherein, after the described EC of switching controls the image of described display screen display, timer starts timing, obtains the first clocking value of this timer.
In concrete enforcement, obtain the first clocking value of this timer, can Real-time Obtaining, also can obtain by separated in time, do not repeat in the present embodiment.
Step S505: judge whether described first clocking value is greater than the first preset time value;
Wherein, this first preset time value is close GPU and switch described EC to control minimum interval between image that described display screen shows.
In concrete enforcement, this first preset time value is 500ms.
Step S506: when described first clocking value is greater than the first preset time value, close described GPU;
Wherein, when this first clocking value is greater than the first preset time value, determines that this EC has started to control screen display, now close GPU.
It should be noted that, this first Preset Time makes EC run to run with GPU and be connected, i.e. GPU late release, ensure that lastingly in display screen in electronic equipment to show image, there will not be EC and GPU to switch the display screen caused and shows uncontrolled situation.
Step S507: judge whether the operational factor of described electronic equipment meets second and preset switching condition;
Wherein, step S507 is consistent with step S204 in embodiment 2, repeats no more in the present embodiment.
Step S508: when described operational factor meets the second default switching condition, start described GPU;
Wherein, when the running state parameter of electronic equipment does not meet default switching condition, the EC of current control electronic equipment screen displaying contents is replaced with GPU.
Step S509: the second clocking value obtaining the timer of described electronic equipment, described second clocking value is the time value of described timer timing from starting described GPU;
Wherein, when after this GPU of startup, timer starts timing, obtains the second clocking value of this timer.
In concrete enforcement, obtain the second clocking value of this timer, can Real-time Obtaining, also can obtain by separated in time, do not repeat in the present embodiment.
Step S510: judge whether described second clocking value is greater than the second preset time value;
Wherein, this second preset time value is for closing EC and opening minimum interval between GPU.
In concrete enforcement, this second preset time value is 500ms.
Step S511: when the second clocking value is greater than the second preset time value, stops described EC to control the image of described display screen display.
Wherein, when this second clocking value is greater than the first preset time value, determine that this GPU opens, now stop EC controlling the image of described display screen display.
It should be noted that, this second Preset Time makes EC run to run with GPU and be connected, namely EC postpones the image stopping the described display screen display of control, ensure that in electronic equipment and in display screen, continue display image, there will not be GPU and EC to switch the display screen caused and show uncontrolled situation.
See the time diagram of the present embodiment that Fig. 6 uses, wherein, dotted line 601 represents the sequential of EC, and solid line 602 represents the sequential of GPU, and what T1 represented delays the shut-in time for GPU, and what T2 represented delays the shut-in time for EC.In the present embodiment, EC and GPU is rising edge and triggers unlatching, and negative edge triggers closes.
To sum up, a kind of display packing provided in the present embodiment, when EC and GPU switches, time-delay closing, ensures to continue display image in display screen in electronic equipment, there will not be GPU and EC to switch the display screen caused and show uncontrolled situation.
Describe a kind of display packing in detail in the embodiment that the invention described above provides, the device of various ways can be adopted to realize for method of the present invention, therefore present invention also offers a kind of display device, provide specific embodiment below and be described in detail.
The structural representation of a kind of display device embodiment 1 that the application as shown in Figure 7 provides, this device can be applied to the electronic equipment with GPU, EC and display screen, and described computing machine can be the electronic equipment that desktop computer, notebook, panel computer, mobile phone, intelligent television etc. have display screen and multiprocessing core.
Wherein, the multiprocessing core of this electronic equipment includes GPU and EC, and other processors, and each above-mentioned processor constitutes the CPU of electronic equipment.
This device specifically comprises following structure:
First acquisition module 701, first judge module 702 and the first control module 703 and the second control module 704;
First acquisition module 701, for obtaining the operational factor of described electronic equipment;
Wherein, this operational factor comprises: the state parameter etc. of the user's operation information received and electronic equipment self-operating.
Concrete, user carries out operating the operation information produced to electronic equipment and comprises: user is to the operation information of any operation that this electronic equipment carries out;
Or this user is not to the timing time etc. that this electronic equipment operates.
First judge module 702, presets switching condition for judging whether the operational factor of described electronic equipment meets;
Wherein, this default switching condition comprises: user is not to the preset time value that electronic equipment operates, or when this electronic equipment is provided with the button of switching state, user triggers the operation information etc. that this button generates.
When this operational factor meets the first default switching condition, trigger the first control module 703.
When this operational factor meets the first default switching condition, then this electronic equipment enters dormant state, now needs process core useless for some in electronic equipment to close, and makes it out of service, reduces the power consumption of electronic equipment.
Concrete, when the timing time that this user does not operate electronic equipment meets preset time value, then this operational factor meets default switching condition, otherwise does not meet.
It should be noted that, in reality is implemented, first judge module 702 also can judge whether this operation information meets an operating conditions preset, to determine whether this operation information is that user's trigger key initiatively generates, when be defined as that user's trigger key initiatively generates time, then trigger the first judge module 702, otherwise, ignore this operation information, the mistake caused to reduce user's touch of key-press by accident switches.
First control module 703, for when described operational factor meets the first default switching condition, closes described GPU, switches the image that described EC controls the display of described display screen.
Wherein, when the operational factor of this electronic equipment meets the first default switching condition, the first control module 703 controls to close this GPU, and stop the control that this GPU carries out the displaying contents of display screen, electronic equipment enters the dormant state of low-power consumption; Switch the image that described EC controls the display of described display screen, to make the display being controlled this electronic equipment by this EC.
It should be noted that, when GPU is when controlling display screen display, other corresponding display structures in central processing unit coordinate with this GPU, when causing like this maintaining display screen displaying contents when electronic equipment enters dormant state, this GPU and other display structure maintenance work states, make the power consumption of electronic equipment low not; And during EC operation, it coordinates without the need to other corresponding display structures, when maintaining display screen displaying contents when electronic equipment enters dormant state, only need this EC to run, GPU and other display structures are stopped power supply, to make the lower power consumption of electronic equipment.
To sum up, a kind of display device provided in the present embodiment, dormant state can be entered when electronic equipment meets and presets switching condition, namely close GPU, only control screen display according to EC, and without the need to starting other ingredients of central processing unit, ensure that electronic equipment can when entering dormant state, displaying contents on screen, reduces the power consumption of electronic equipment, makes the cruising time of electronic equipment long.
The structural representation of a kind of display device embodiment 2 that the application as shown in Figure 8 provides, this device specifically comprises following structure: the first acquisition module 801, first judge module 802, first control module 803, second judge module 804 and the second control module 805;
Wherein, this first acquisition module 801, first judge module 802, first control module 803 is consistent with the corresponding construction function in embodiment 1, and the present embodiment does not repeat.
Second judge module 804, for judging whether the operational factor of described electronic equipment meets second and preset switching condition;
Concrete, when this electronic equipment is provided with the button of switching state, second presets switching condition comprises: comprise the operation information that user triggers the generation of this button in this operational factor.
Concrete, when including the operation information generated when user triggers the button switching back duty in the operational factor received, then this operational factor meets the second default switching condition, otherwise does not meet.
Second control module 805, for when described operational factor meets the second default switching condition, starts described GPU, and controls to stop described EC to control described display screen, switches the displaying contents that described GPU controls described display screen.
Wherein, when the operational factor of this electronic equipment does not meet default switching condition, the second control module 805 controls to close this EC, and stop the control that this EC carries out the displaying contents of display screen, electronic equipment exits dormant state; Start GPU, the displaying contents of this GPU to this display screen is controlled.
Wherein, when the operational factor of this electronic equipment meets the second default switching condition, control the control stopping this EC to carry out the displaying contents of display screen, electronic equipment exits dormant state; Start GPU, the displaying contents of this GPU to this display screen is controlled.
Adopt the method, when exiting dormant state, only need continue power supply to the GPU stopped power supply, resumption of service is rapid.
To sum up, a kind of display packing provided in the present embodiment, displaying contents is continued at electronic equipment screen ensure that when electronic equipment enters dormant state, when exiting dormant state, only need continue power supply to the GPU stopped power supply etc., without the need to other operations, can Quick-return duty, improve Consumer's Experience.
The structural representation of a kind of display device embodiment 3 that the application as shown in Figure 9 provides, this device specifically comprises following structure: the first acquisition module 901, first judge module 902, second acquisition module 903 and the first control module 904;
Wherein, this first acquisition module 901, first judge module 902 is consistent with the corresponding construction function in embodiment 1, and the present embodiment does not repeat.
Second acquisition module 903, for obtaining the attribute information of current described screen, described attribute information comprises screen display content and/or backlight illumination.
Wherein, this attribute information comprises screen display content and/or backlight illumination.
Concrete, before electronic equipment enters the dormant state of low-power consumption, obtain the attribute information of this electronic equipment current screen, for follow-up enter dormant state after, control electronic equipment screen to make EC according to this attribute information and continue displaying contents.
Concrete, the backlight illumination of definition upper strata EM software reads and notification protocol, when obtaining the attribute information of this screen, by the screen backlight brightness value that upper strata EM software reading system is current.
Concrete, the attribute information buffer memory that this acquires is to predeterminated position, this predeterminated position comprises storage area corresponding to EC, or keep in the storage organization run in this electronic equipment, do not limit in this predeterminated position the present embodiment, only need ensure that this EC can obtain the attribute information of this buffer memory from this storage area or storage organization.
Wherein, when the attribute information of described current described screen comprises screen display content, this first control module 904, closes described GPU specifically for controlling, and controls described EC controls the follow-up display of described screen content according to described screen display content.
Wherein, when the attribute information of described current described screen comprises screen display content, EC controls the display of described display screen, specifically comprises: control described EC controls described screen displaying contents according to described screen display content, controls the display of described display screen to make described EC.
Wherein, when the attribute information of described current described screen comprises backlight illumination, institute EC controls the display of described display screen, specifically comprises:
First preset the corresponding relation of this backlight illumination and PWM, then determine the pwm control signal corresponding with described backlight illumination according to this corresponding relation, control the display brightness of described screen to make described EC according to described pwm control signal.
As Fig. 4 shows PWM, to control concrete logic as follows:
When ECEC controls screen display content: upper layer software (applications) EM reading system brightness exponent number, the brightness value of corresponding exponent number is write to register, the PWM output signal of video card, this PWM output signal is reported operating system by BIOS, the brightness of 0-100 rank is preset with in operating system, this upper layer software (applications) can also control API, output signal in PanelTCON, in this register, by EDPAUXchannel DPCD controlled and then control the output of fixing PWM mode, and then export PanelLEDDriver to.
When GPU controls screen display content: GraphicsPWM outputs signal, and to PWM module, and then exports PanelLEDDriver to.
Concrete, as the described GPU of closedown, and when switching described EC control screen display, this electronic equipment enters the dormant state of low-power consumption, and now, this EC controls the displaying contents of screen according to the attribute information obtained.
Because this backlight illumination is corresponding to register software TCONFW, then the corresponding relation of backlight illumination and PWM can be exchanged into the corresponding relation of brightness PWM dutycycle and TCONFW.
Determine according to table 1 PWM that brightness value is corresponding, and then export corresponding pwm signal.
Concrete, the screen display content obtained according to the second acquisition module 903 and/or backlight illumination, EC refreshes to the electronic equipment screen entering dormant state, it is identical that the content shown to make it and electronic equipment enter the content shown before dormant state, and in the dormant state of electronic equipment, screen maintains this content of display.
Such as, user needs to carry out the stable of long period to the content of the current display of computer screen and displays the play, in continuing in 10 minutes, a certain page of a certain document is shown, enter the dormant state of low-power consumption at computing machine before, to the content shown in this computing machine, comprise: displaying contents and backlight illumination carry out buffer memory, after entering dormant state, GPU is out of service, content information corresponding for this image obtains from buffer memory by EC, and the pixel of computer screen is refreshed, continue to show this image, while ensure that this image can continue to show in computer screen, again reduce computing machine power consumption.
To sum up, a kind of display device provided in the present embodiment, before electronic equipment enters Low-power-consumptiodormancy dormancy state, the attribute information of electronic equipment screen is obtained, and after middle electronic equipment enters dormant state, control EC refreshes electronic equipment screen according to this attribute information, makes to continue displaying contents in this screen, while ensure that this image can continue to show in computer screen, again reduce computing machine power consumption.
The structural representation of a kind of display device embodiment 4 that the application as shown in Figure 10 provides, this device is realized by following structure: the first acquisition module 1001, first judge module 1002, second acquisition module 1003, first control module 1004, second judge module 1005 and the second control module 1006;
Wherein, the first acquisition module 1001, first judge module 1002, second acquisition module 1003, second judge module 1005 is consistent with the function of corresponding construction in embodiment 2 and 3, does not repeat in the present embodiment.
Wherein, the first control module 1004 comprises: the first acquiring unit 1007, first judging unit 1008 and the first control module 1009;
Wherein, the second control module 1006 comprises: second acquisition unit 1010, second judging unit 1011 and the second control module 1012.
First acquiring unit 1007, for obtaining the first clocking value of the timer of described electronic equipment, described first clocking value is the time value of described timer timing from switching described EC;
Wherein, when after this EC of startup, timer starts timing, and the first acquiring unit 1007 obtains the first clocking value of this timer.
In concrete enforcement, this first acquiring unit 1007 obtains the first clocking value of this timer, can Real-time Obtaining, also can obtain by separated in time, does not repeat in the present embodiment.
First judging unit 1008, for judging whether described first clocking value is greater than the first preset time value;
Wherein, this first preset time value is for closing GPU and opening minimum interval between EC.
In concrete enforcement, this first preset time value is 500ms.
Wherein, when the first judging unit 1008 judges that this clocking value is greater than the first preset time value, determine that this EC opens, now the first control module 1009, closes described GPU, switches the image that described EC controls the display of described display screen.
It should be noted that, this first Preset Time makes EC run to run with GPU and be connected, i.e. GPU late release, ensure that lastingly in display screen in electronic equipment to show image, there will not be EC and GPU to switch the display screen caused and shows uncontrolled situation.
Wherein, when the running state parameter of electronic equipment meets the second default switching condition, the EC of current control electronic equipment screen displaying contents is switched to GPU.
Second acquisition unit 1010, for obtaining the second clocking value of the timer of described electronic equipment, described second clocking value is the time value of described timer timing from starting described GPU;
Wherein, when after this GPU of startup, timer starts timing, and second acquisition unit 1010 obtains the second clocking value of this timer.
In concrete enforcement, second acquisition unit 1010 obtains the second clocking value of this timer, can Real-time Obtaining, also can obtain by separated in time, does not repeat in the present embodiment.
Second judging unit 1011, for judging whether described second clocking value is greater than the second preset time value;
Wherein, this second preset time value is for closing EC and opening minimum interval between GPU.
In concrete enforcement, this second preset time value is 500ms.
Wherein, when the second judging unit 1011 judges that the second clocking value is greater than the second preset time value, determine that this EC opens, now the second control module 1012, stop described EC to control the image of described display screen display.
It should be noted that, this second Preset Time makes EC run to run with GPU and be connected, i.e. EC late release, ensure that lastingly in display screen in electronic equipment to show image, there will not be GPU and EC to switch the display screen caused and shows uncontrolled situation.
It should be noted that, the first clocking value in the present embodiment and the second clocking value are 500ms, but are not limited to this, in actual enforcement, also can arrange according to the actual switch instances of processor, only need ensure that EC operation runs with GPU and be connected, not limit in the present embodiment.
To sum up, a kind of display device provided in the present embodiment, when EC and GPU switches, time-delay closing, ensures to continue display image in display screen in electronic equipment, there will not be GPU and EC to switch the display screen caused and show uncontrolled situation.
A kind of display packing, device is described in detail in the embodiment that the invention described above provides, the circuit structure of various ways can be adopted to realize for method of the present invention, therefore present invention also offers a kind of display device circuit, provide specific embodiment below and be described in detail.
The schematic diagram of a kind of display device circuit embodiments that the application as shown in Figure 11 provides, this display device circuit application is in an electronic equipment, described display device connects display screen circuit, and display device circuit comprises: EC1101, GPU1102, the first switch 1103 and Control Component 1104;
Wherein, the input end of described first switch 1103 connects EC1101 and GPU1102 respectively, the input end of the output terminal connection control assembly 1104 of described first switch;
Wherein, the output terminal of described Control Component 1104 connects display screen circuit;
When the operational factor of described electronic equipment meets the first default switching condition, close described GPU1102, and switch the image that described EC1101 controls the display of described display screen.
When the operational factor of described electronic equipment meets the second default switching condition, start described GPU1102, stop described EC1101 to control the image of described display screen display, switch the image that described GPU1102 controls the display of described display screen.
Concrete, in the present embodiment, this first switch is or door OR, and when all connecting from the arbitrary high level that obtains of EC and GPU, Control Component is TCONFM.The EDP_VDD_EN pin of EC and GPU and BL_EN pin control signal output valve or door OR, when ensureing that GPU closes, EC Sustainable Control screen.
Concrete, upper layer software (applications) EM reads current electronic device screen backlight brightness value, write the interface defined to this TCONFM by EDPAUXchannel, control the brightness of screen display when this electronic equipment enters dormant state to make this TCONFM according to this backlight brightness values.
Needs illustrate, when this GPU closes PWM output, this TCONFM can fix output, keeps electronic equipment screen display brightness and content.
The concrete structure schematic diagram of a kind of display device circuit embodiments that the application as shown in Figure 12 provides, this display device circuit application is in an electronic equipment, described display device connects diode (LED) driving circuit LEDDriver and display screen circuit TCON, and this display device circuit specifically comprises: PCH, EC, two or an ORGATE, metal-oxide-semiconductor.
Wherein, this EC is by the control of PCH (PlatformControllerHub, integrated south bridge), and this PCH and EC is the ingredient of the central processing unit of computing machine.
Wherein, GPU is also the ingredient of central processing unit, and in this circuit, this GPU belongs to a kind of in this PCH, therefore, is described in the present embodiment for GPH.
Wherein, metal-oxide-semiconductor connects 20V power supply, exports 20V magnitude of voltage LEDDriver.
Wherein, also there is in TCON RAM (randomaccessmemory, random access memory) or Register buffer, store to enter the screen display content before dormant state to electronic equipment.
In concrete enforcement, this PCH and EC reception control signal, after this PCH reception control signal, out of service or bring into operation according to control signal.EC is reception control signal simultaneously, and when this PCH is out of service, this EC starts adapter screen display according to this control signal and controls; When this PCH brings into operation, EC stops controlling screen display according to this control signal.
Present invention also provides a kind of electronic equipment, this electronic equipment comprises display screen and the display device as described in above-mentioned any embodiment.
Wherein, described display device comprises EC and GPU, described display device also comprises: the first acquisition module, the first judge module, the first control module, the function of this display device all modules is consistent with the function of corresponding construction in above-mentioned a kind of display device embodiment, repeats no more in the present embodiment.
Preferably, this display device also comprises: the second judge module and the second control module, and the function of this display device all modules is consistent with the function of corresponding construction in above-mentioned a kind of display device embodiment, repeats no more in the present embodiment.
Preferably, this display device also comprises: the second acquisition module, and the function of this display device all modules is consistent with the function of corresponding construction in above-mentioned a kind of display device embodiment, repeats no more in the present embodiment.
Preferably, when the attribute information of described current described screen comprises screen display content, described first control module, closes described GPU specifically for controlling, and controls described EC controls the follow-up display of described screen content according to described screen display content.
Preferably, when the attribute information of described current described screen comprises backlight illumination, described first control module, also for the corresponding relation according to the backlight illumination preset and PWM, determine the pwm control signal corresponding with described backlight illumination, control the display brightness of described screen to make described EC according to described pwm control signal.
Preferably, first control module of this display device comprises: the first acquiring unit, the first judging unit and the first control module, the function of this display device all modules is consistent with the function of corresponding construction in above-mentioned a kind of display device embodiment, repeats no more in the present embodiment.
Preferably, second control module of this display device comprises: second acquisition unit, the second judging unit and the second control module, the function of this display device all modules is consistent with the function of corresponding construction in above-mentioned a kind of display device embodiment, repeats no more in the present embodiment.
Present invention also provides a kind of electronic equipment, this electronic equipment comprises the display device circuit described in display screen and above-described embodiment.This display device connects diode (LED) driving circuit and display screen circuit, and display device comprises: EC, GPU, the first switch and Control Component; Function and the connection of this display device circuit all modules are consistent with the function of corresponding construction in above-mentioned a kind of display device circuit embodiments, repeat no more in the present embodiment.
In this instructions, each embodiment 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 portion mutually see.For the device that embodiment provides, the method provided due to itself and embodiment is corresponding, so description is fairly simple, relevant part illustrates see method part.
To the above-mentioned explanation of provided embodiment, 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 provided in this article and features of novelty.
Claims (17)
1. a display packing, is characterized in that, described method is applied to an electronic equipment, and described electronic equipment comprises flush bonding processor EC, graphic process unit GPU and display screen, and described display packing comprises:
Obtain the operational factor of described electronic equipment;
Judge whether the operational factor of described electronic equipment meets first and preset switching condition;
When described operational factor meets the first default switching condition, close described GPU, switch the image that described EC controls the display of described display screen.
2. method according to claim 1, is characterized in that, after obtaining the operational factor of described electronic equipment, also comprises:
Judge whether the operational factor of described electronic equipment meets second and preset switching condition;
When described operational factor meets the second default switching condition, start described GPU, stop described EC to control the image of described display screen display, switch the image that described GPU controls the display of described display screen.
3. method according to claim 1, is characterized in that, after judging that described operational factor meets the first default switching condition, before closing described GPU, also comprises:
Obtain the attribute information of current described screen, described attribute information comprises screen display content and/or backlight illumination.
4. method according to claim 3, is characterized in that, when the attribute information of described current described screen comprises screen display content, the image that the described EC of described switching controls the display of described display screen specifically comprises:
Control described EC controls the follow-up display of described screen content according to described screen display content.
5. method according to claim 3, is characterized in that, when the attribute information of described current described screen comprises backlight illumination, after the described EC of described startup, also comprises:
The corresponding relation of the backlight illumination that foundation is preset and pulse width modulation (PWM), determines the pwm control signal corresponding with described backlight illumination, controls the display brightness of described screen to make described EC according to described pwm control signal.
6. method according to claim 1, is characterized in that, the described EC of described switching before closing described GPU, also comprises after controlling the image of described display screen display:
Obtain the first clocking value of the timer of described electronic equipment, described first clocking value is the time value of described timer timing from switching described EC;
Judge whether described first clocking value is greater than the first preset time value;
When being greater than, perform the described GPU step of described closedown.
7. method according to claim 2, is characterized in that, after the described GPU of described startup, stop described EC control described display screen display image before, also comprise:
Obtain the second clocking value of the timer of described electronic equipment, described second clocking value is the time value of described timer timing from starting described GPU;
Judge whether described second clocking value is greater than the second preset time value;
When being greater than, perform the image step that the described EC of described stopping controls the display of described display screen.
8. a display device, is characterized in that, described display device applications is in an electronic equipment, and described electronic equipment also comprises display screen, and described display device comprises EC and GPU, and described display device also comprises:
First acquisition module, for obtaining the operational factor of described electronic equipment;
First judge module, for judging whether the operational factor of described electronic equipment meets first and preset switching condition;
First control module, for when described operational factor meets the first default switching condition, closes described GPU, switches the image that described EC controls the display of described display screen.
9. display device according to claim 7, is characterized in that, also comprises:
Second judge module, for judging whether the operational factor of described electronic equipment meets second and preset switching condition
Second control module, for when described operational factor meets the second default switching condition, starts described GPU, and controls to stop described EC to control described display screen, switches the displaying contents of display screen described in described GPU system.
10. display device according to claim 8, is characterized in that, also comprises:
Second acquisition module, for obtaining the attribute information of current described screen, described attribute information comprises screen display content and/or backlight illumination.
11. display device according to claim 8, it is characterized in that, when the attribute information of described current described screen comprises screen display content, described first control module, close described GPU specifically for controlling, and control described EC controls the follow-up display of described screen content according to described screen display content.
12. display device according to claim 10, it is characterized in that, when the attribute information of described current described screen comprises backlight illumination, described first control module, also for the corresponding relation according to the backlight illumination preset and PWM, determine the pwm control signal corresponding with described backlight illumination, control the display brightness of described screen to make described EC according to described pwm control signal.
13. display device according to claim 8, is characterized in that, described first control module comprises:
First acquiring unit, for obtaining the first clocking value of the timer of described electronic equipment, described first clocking value is the time value of described timer timing from switching described EC;
First judging unit, for judging whether described first clocking value is greater than the first preset time value;
First control module, for when described first clocking value is greater than the first preset time value, closes described GPU, switches the image that described EC controls the display of described display screen.
14. display device according to claim 9, is characterized in that, the second control module comprises:
Second acquisition unit, for obtaining the second clocking value of the timer of described electronic equipment, described second clocking value is the time value of described timer timing from starting described GPU;
Second judging unit, for judging whether described second clocking value is greater than the second preset time value;
Second control module, for when described second clocking value is greater than the second preset time value, stops described EC to control the image of described display screen display.
15. 1 kinds of display device circuit, is characterized in that, described display device circuit application is in an electronic equipment, and described display device connects diode (LED) driving circuit and display screen circuit, and display device comprises: EC, GPU, the first switch and Control Component;
Wherein, the input end of described first switch connects EC and GPU respectively, the input end of the output terminal connection control assembly of described first switch;
Wherein, the output terminal of described Control Component connects LED drive circuit and display screen circuit respectively;
When the operational factor of described electronic equipment meets the first default switching condition, close described GPU, and switch the image that described EC controls the display of described display screen;
When the operational factor of described electronic equipment meets the second default switching condition, start described GPU, stop described EC to control the image of described display screen display, switch the image that described GPU controls the display of described display screen.
16. 1 kinds of electronic equipments, is characterized in that, described electronic equipment comprises display screen and the display device as described in any one of the claims 8-14.
17. 1 kinds of electronic equipments, is characterized in that, described electronic equipment comprises display screen and as above-mentioned display device circuit according to claim 15.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799091A (en) * | 2017-11-14 | 2018-03-13 | 山东超越数控电子股份有限公司 | A kind of screen luminance adjustment method and system |
| CN110442389A (en) * | 2019-08-07 | 2019-11-12 | 北京技德***技术有限公司 | A kind of shared method using GPU of more desktop environments |
| CN111007998A (en) * | 2019-12-24 | 2020-04-14 | 联想(北京)有限公司 | Processing method, system and electronic equipment |
| CN113721754A (en) * | 2021-08-31 | 2021-11-30 | 联想(北京)有限公司 | Control method and device and electronic equipment |
| CN114201255A (en) * | 2021-12-07 | 2022-03-18 | 联想(北京)有限公司 | Control method and device and electronic equipment |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200959110Y (en) * | 2006-08-08 | 2007-10-10 | 杨帅 | Combined alternating operating notebook computer of double-graphic processor |
| CN101501624A (en) * | 2006-08-04 | 2009-08-05 | 苹果公司 | Method and apparatus for switching between graphics sources |
| CN101573677A (en) * | 2007-01-07 | 2009-11-04 | 苹果公司 | Methods and systems for power management in a data processing system |
| CN201698400U (en) * | 2010-06-28 | 2011-01-05 | 微盟电子(昆山)有限公司 | Display control device |
| US20110164051A1 (en) * | 2010-01-06 | 2011-07-07 | Apple Inc. | Color correction to facilitate switching between graphics-processing units |
| CN102682682A (en) * | 2011-03-14 | 2012-09-19 | 辉达公司 | Method and system for controlling self-refreshing display device |
| CN102763081A (en) * | 2010-01-06 | 2012-10-31 | 苹果公司 | Policy-based switching between graphics-processing units |
| US20120313952A1 (en) * | 2011-06-09 | 2012-12-13 | Sony Corporation | Information processing apparatus and information processing method |
| CN102841671A (en) * | 2011-03-24 | 2012-12-26 | 辉达公司 | Method and apparatus for supporting self-refreshing display device coupled to graphic controller |
| CN102902345A (en) * | 2011-07-26 | 2013-01-30 | 辉达公司 | Method for entering and exiting sleep mode in a graphics subsystem |
| CN103135731A (en) * | 2013-02-05 | 2013-06-05 | 联宝(合肥)电子科技有限公司 | Method and device for intelligent power supply control for portable computer |
| WO2014062157A1 (en) * | 2012-10-16 | 2014-04-24 | Razer (Asia-Pacific) Pte.Ltd. | Computing systems and methods for controlling a computing system |
-
2014
- 2014-06-27 CN CN201410300975.6A patent/CN105446462B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101501624A (en) * | 2006-08-04 | 2009-08-05 | 苹果公司 | Method and apparatus for switching between graphics sources |
| CN200959110Y (en) * | 2006-08-08 | 2007-10-10 | 杨帅 | Combined alternating operating notebook computer of double-graphic processor |
| CN101573677A (en) * | 2007-01-07 | 2009-11-04 | 苹果公司 | Methods and systems for power management in a data processing system |
| US20110164051A1 (en) * | 2010-01-06 | 2011-07-07 | Apple Inc. | Color correction to facilitate switching between graphics-processing units |
| CN102763081A (en) * | 2010-01-06 | 2012-10-31 | 苹果公司 | Policy-based switching between graphics-processing units |
| CN201698400U (en) * | 2010-06-28 | 2011-01-05 | 微盟电子(昆山)有限公司 | Display control device |
| CN102682682A (en) * | 2011-03-14 | 2012-09-19 | 辉达公司 | Method and system for controlling self-refreshing display device |
| CN102841671A (en) * | 2011-03-24 | 2012-12-26 | 辉达公司 | Method and apparatus for supporting self-refreshing display device coupled to graphic controller |
| US20120313952A1 (en) * | 2011-06-09 | 2012-12-13 | Sony Corporation | Information processing apparatus and information processing method |
| CN102902345A (en) * | 2011-07-26 | 2013-01-30 | 辉达公司 | Method for entering and exiting sleep mode in a graphics subsystem |
| WO2014062157A1 (en) * | 2012-10-16 | 2014-04-24 | Razer (Asia-Pacific) Pte.Ltd. | Computing systems and methods for controlling a computing system |
| CN103135731A (en) * | 2013-02-05 | 2013-06-05 | 联宝(合肥)电子科技有限公司 | Method and device for intelligent power supply control for portable computer |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799091A (en) * | 2017-11-14 | 2018-03-13 | 山东超越数控电子股份有限公司 | A kind of screen luminance adjustment method and system |
| CN110442389A (en) * | 2019-08-07 | 2019-11-12 | 北京技德***技术有限公司 | A kind of shared method using GPU of more desktop environments |
| CN110442389B (en) * | 2019-08-07 | 2024-01-09 | 北京技德***技术有限公司 | Method for sharing GPU (graphics processing Unit) in multi-desktop environment |
| CN111007998A (en) * | 2019-12-24 | 2020-04-14 | 联想(北京)有限公司 | Processing method, system and electronic equipment |
| CN111007998B (en) * | 2019-12-24 | 2021-07-16 | 联想(北京)有限公司 | Processing method, system and electronic equipment |
| CN113721754A (en) * | 2021-08-31 | 2021-11-30 | 联想(北京)有限公司 | Control method and device and electronic equipment |
| CN114201255A (en) * | 2021-12-07 | 2022-03-18 | 联想(北京)有限公司 | Control method and device and electronic equipment |
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| Publication number | Publication date |
|---|---|
| CN105446462B (en) | 2020-12-18 |
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