CN103853305A - Power management method and electronic device - Google Patents
Power management method and electronic device Download PDFInfo
- Publication number
- CN103853305A CN103853305A CN201210496198.8A CN201210496198A CN103853305A CN 103853305 A CN103853305 A CN 103853305A CN 201210496198 A CN201210496198 A CN 201210496198A CN 103853305 A CN103853305 A CN 103853305A
- Authority
- CN
- China
- Prior art keywords
- field picture
- unit
- graphic process
- self
- process unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Controls And Circuits For Display Device (AREA)
- Power Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a power management method and an electronic device. The method is applied to the electronic device which comprises two graphics processors. Self-refreshing units are connected between the graphics processors and output interfaces and are used for storing image data output by the graphics processors. The method comprises transmitting frame images to the self-refreshing units through the graphics processors; detecting whether the novel frame images are output by the graphics processors, outputting the novel frame images to a display unit if the novel frame images are output; otherwise, outputting the current frame images in the self-refreshing units to the display unit and sending hint instructions to the graphics processors to enable the graphics processors to be switched to a sleep state according to the hint instructions. By means of the method and the electronic device, 50% of battery usage time can be increased.
Description
Technical field
The present invention relates to electronic technology field, relate in particular to a kind of method for managing power supply and electronic equipment.
Background technology
In prior art, proposed two video card technology, two video cards are to adopt two video cards (integrated-independent, independent-independent) by bridge bridge joint, the working method of associated treatment view data.Realizing two video cards must have the support of mainboard.This working method in theory can be than original lifting twice image-capable, but power consumption and cost are also very high.
In prior art, two video card technology comprise:
SLI (Scalable Link Interface exchanges scan pattern) allows multiple graphic chips to work simultaneously and obtains higher performance.After two figure video cards bridge-type connector external by is communicated with, driver can automatically be identified this configuration and enter " SLI Multi-GPU " pattern.Under " SLI Multi-GPU " pattern, two video cards are configured to an independently equipment by driver: that is to say, these two graphic chips are considered as an independently logical device by all graphic processors.
Optimus shows that handoff technique can realize in notebook computer switching (user is without restarting or manually adjustment) seamless, automatic, real-time between display card and the built-in video card of mainboard, thereby realizes the saving of the energy.
In prior art in order to ensure that the Presentation Function of mobile electronic device generally adopts the two video card schemes of SLI (as shown in Figure 1, the two video card logical architectures of existing SLI), but the shortcoming of this scheme is: under Battery pattern, power consumption is large, and the chances are for its total power consumption Z: Z=system power dissipation (8W)+GPU power consumption (8W)=16W.Under this power consumption condition, make service time of battery only have more than 3 hour.If select optimus technology, the service time of battery of electronic equipment has more than 7 hour.
In prior art, the meeting of scheme causes following shortcoming:
Can exist power consumption large if increase the Presentation Function of electronic equipment, the problem such as the flying power of battery is weak; The performance that the use duration of visible electric device battery has seriously restricted electronic equipment improves.
Summary of the invention
The problems such as the invention provides a kind of method for managing power supply and electronic equipment, method and apparatus provided by the present invention solves in prior art and can cause electronic equipment power consumption large if increase the Presentation Function of electronic equipment, and the flying power of battery is weak.
A kind of method for managing power supply, the method is applied in an electronic equipment, and this electronic equipment comprises two graphic process unit, is connected self-refresh unit between described graphic process unit and output interface, described self-refresh unit is for storing the view data of graphic process unit output, and the method comprises:
Graphic process unit transmits two field picture to self-refresh unit;
Whether have new two field picture output, if had, new two field picture is outputed to display unit if detecting described graphic process unit; Otherwise, the current two field picture in self-refresh unit of depositing is outputed to display unit, and send hint instructions to graphic process unit, make graphic process unit proceed to sleep state according to described hint instructions.
When described output interface comprise multiple, the corresponding self-refresh unit of each output interface.
Whether detect described graphic process unit has new two field picture output to comprise:
The current two field picture receiving and the last two field picture receiving are compared, if identical, determine that described graphic process unit does not have new two field picture output.
Before the two field picture that reception graphic process unit in self-refresh unit sends, further comprise:
Detect the first mode selection instruction that whether receives user's input, if received, determine according to first mode selection instruction whether the two field picture tupe that user selects is exchange scan pattern, if so, sends two field picture to self-refresh unit from graphic process unit.
If determine that according to first mode selection instruction the two field picture tupe that user selects is that Optimus shows switch mode, the two field picture central processing unit being sent is exported by PCH.
Also provide a kind of electronic equipment according to said method the present invention, this electronic equipment comprises two graphic process unit, between described graphic process unit and output interface, be also connected with self-refresh unit, this self-refresh unit is for storing the view data of graphic process unit output; This electronic equipment also comprises:
Graphic process unit, for transmitting two field picture to self-refresh unit;
Whether self-refresh unit, have new two field picture output for detection of described graphic process unit, if had, new two field picture outputed to display unit; Otherwise, the current two field picture in self-refresh unit of depositing is outputed to display unit, and send hint instructions to graphic process unit, make graphic process unit proceed to sleep state according to described hint instructions.
When described output interface comprises multiplely, this electronic equipment comprises multiple self-refresh unit, and described output interface is corresponding one by one with described self-refresh unit.
Described in self-refresh unit inspection, whether graphic process unit has new two field picture output to comprise:
The current two field picture receiving and the last two field picture receiving are compared, if identical, determine that described graphic process unit does not have new two field picture output.
The scheme of more optimizing, this electronic equipment also comprises:
Mode switch element, for detection of whether receiving the first mode selection instruction that user inputs, if received, determine according to first mode selection instruction whether the two field picture tupe that user selects is exchange scan pattern, if so, send two field picture to self-refresh unit from graphic process unit.
If mode switch element is also for determining that according to first mode selection instruction the two field picture tupe that user selects is that Optimus shows switch mode, the two field picture central processing unit being sent is exported by PCH.
One or two in technique scheme, at least has following technique effect:
The method and apparatus that the embodiment of the present invention provides, the method is applied in an electronic equipment, this electronic equipment comprises two graphic process unit, between described graphic process unit and output interface, be connected self-refresh unit, described self-refresh unit is for storing the view data of graphic process unit output, and the method comprises: graphic process unit transmits two field picture to self-refresh unit; Whether have new two field picture output, if had, new two field picture is outputed to display unit if detecting described graphic process unit; Otherwise, the current two field picture in self-refresh unit of depositing is outputed to display unit, and send hint instructions to graphic process unit, make graphic process unit proceed to sleep state according to described hint instructions.After using such scheme provided by the present invention, can increase by 50% service time of battery under mobilemark test condition.
Brief description of the drawings
Fig. 1 is the two video card logical architecture schematic diagram of SLI in prior art;
Fig. 2 is the process flow diagram of a kind of method for managing power supply of the embodiment of the present invention;
Fig. 3 is the applicable electronic devices structure schematic diagram of embodiment of the present invention institute supplying method;
Fig. 4 is the structural representation of a kind of electronic equipment of the embodiment of the present invention.
Embodiment
Because in prior art, can exist power consumption large if increase the Presentation Function of electronic equipment, the problem such as the flying power of battery is weak; The performance that the use duration of visible electric device battery has seriously restricted electronic equipment improves.Provide a kind of method for managing power supply for the problems referred to above embodiment of the present invention, the method is applied in an electronic equipment, this electronic equipment comprises two graphic process unit, between described graphic process unit and output interface, be connected self-refresh unit, described self-refresh unit is for storing the view data of graphic process unit output, and the method comprises: graphic process unit transmits two field picture to self-refresh unit; Whether have new two field picture output, if had, new two field picture is outputed to display unit if detecting described graphic process unit; Otherwise, the current two field picture in self-refresh unit of depositing is outputed to display unit, and send hint instructions to graphic process unit, make graphic process unit proceed to sleep state according to described hint instructions.
Because in prior art in prior art in order to ensure that the Presentation Function of mobile electronic device generally adopts the two video card schemes of SLI (as shown in Figure 1, the two video card logical architectures of existing SLI), but the shortcoming of this scheme is: under Battery pattern, power consumption is large, and the chances are for its total power consumption Z: Z=system power dissipation (8W)+GPU power consumption (8W)=16W.Under this power consumption condition, make service time of battery only have more than 3 hour.If select optimus technology, the service time of battery of electronic equipment has more than 7 hour.After using such scheme provided by the present invention, can increase by 50% service time of battery under mobilemark test condition.Below in conjunction with Figure of description, scheme provided by the present invention is further described:
As shown in Figure 2, the embodiment of the present invention provides a kind of method for managing power supply, below in conjunction with Figure of description, the specific embodiment of the present invention is elaborated:
Because the method that the embodiment of the present invention provides is mainly the electronic equipment for upper video card, so this electronic equipment comprises two graphic process unit.In order to reach the two field picture of buffer memory GPU output, and in the time detecting that the two field picture of GPU output is duplicate contents, can start the object of GPU, first the method that the embodiment of the present invention provides arranges a self-refresh cell S RC (self refresh chip) between the output interface of electronic equipment and graphic process unit GPU.This self-refresh unit can be for the two field picture of buffer memory graphic process unit output, and can self-refresh storage content; The method that the embodiment of the present invention provides comprises:
In this embodiment, two video card work adopts SLI (Scalable Link Interface exchanges scan pattern), and under this pattern, two graphic process unit are communicated with by an external bridge-type connector.
As shown in Figure 3, in this embodiment, be connected multiple self-refresh unit with graphic process unit, the two field picture of graphic process unit output can be buffered in self-refresh unit.
Because the two field picture that graphic process unit is exported has all been cached in self-refresh unit, if when the multiple image of exporting by relatively more definite graphic process unit is identical, can, directly by the image output of buffer memory in self-refresh unit, graphic process unit can be switched to sleep state.
In embodiments of the present invention, can whether have new two field picture output to comprise by graphic process unit described in self-refresh unit inspection:
The current two field picture receiving and the last two field picture receiving are compared, if identical, determine that described graphic process unit does not have new two field picture output.
In embodiments of the present invention, detect that the identical graphic process unit of just controlling of two two field pictures proceeds to sleep state as long as be not limited to.The max-thresholds of identical system of battle formations picture also can be set, if occur that continuously the number of times of same number of frames image exceedes this max-thresholds, the electronic equipment that sets out sends sleep steering order to graphic process unit, makes graphic process unit be switched to sleep state.
As shown in Figure 3, can buffer memory in order to allow graphic process unit output to the view data of each display interface, while being the external any display device of electronic equipment, can reach the object that reduces power consumption, when described output interface comprises multiple, corresponding multiple self-refresh unit that arranges, and multiple self-refresh unit is corresponding one by one with multiple output interfaces.
On video card, common display interface has DVI interface, HDMI (High Definition MultimediaInterface, HDMI; HDMI (High Definition Multimedia Interface)) interface, VGA interface, S terminal and other television interfaces.From function, S terminal and other television interfaces are mainly used in TV-out (being also VIDEO-OUT) and VIDEO-IN function, VIDEO-IN.
In embodiments of the present invention, in order reasonably to exchange the advantage of scan pattern and Optimus demonstration switch mode in conjunction with SLI, so the embodiment of the present invention is supplying method also, make described electronic equipment can exchange between scan pattern and Optimus demonstration switch mode and switch at SLI according to user's input command opertaing device.Concrete implementation can be:
When (being before self-refresh unit receives the two field picture that sends of graphic process unit) after boot system initialization, detect the first mode selection instruction that whether receives user's input, if do not received, according to the default setting of electronic equipment, the two field picture in electronic equipment is processed;
If receive first mode selection instruction, determine according to first mode selection instruction whether the two field picture tupe that user selects is exchange scan pattern, if so, sends two field picture to self-refresh unit from graphic process unit.
If determine that according to first mode selection instruction the two field picture tupe that user selects is that Optimus shows switch mode, the two field picture central processing unit being sent is exported by PCH.
Can realize between SLI exchange scan pattern and Optimus demonstration switch mode and switching according to aforesaid way electronic equipment, thus can be according to the mode of operation of determining that electronic equipment be applicable to the most that considers of the demand to Presentation Function and powder consumption of electronic equipment.
As shown in Figure 4, according to said method, the embodiment of the present invention also provides a kind of electronic equipment, this electronic equipment comprises two graphic process unit 401, between described graphic process unit and output interface 402, be also connected with self-refresh unit 403, this self-refresh unit 403 is for storing the view data of graphic process unit output; This electronic equipment also comprises:
Graphic process unit 401, for transmitting two field picture to self-refresh unit;
Whether self-refresh unit 403, have new two field picture output for detection of described graphic process unit, if had, new two field picture outputed to display unit; Otherwise, the current two field picture in self-refresh unit of depositing is outputed to display unit, and send hint instructions to graphic process unit, make graphic process unit proceed to sleep state according to described hint instructions.
Can buffer memory in order to allow graphic process unit output to the view data of each display interface, while being the external any display device of electronic equipment, can reach the object that reduces power consumption, when described output interface comprises multiple, this electronic equipment comprises multiple self-refresh unit, and described output interface is corresponding one by one with described self-refresh unit.
Whether described self-refresh unit 403 detects described graphic process unit has new two field picture output to comprise:
The current two field picture receiving and the last two field picture receiving are compared, if identical, determine that described graphic process unit does not have new two field picture output.
In embodiments of the present invention, in order reasonably to exchange the advantage of scan pattern and Optimus demonstration switch mode in conjunction with SLI, so the scheme that the embodiment of the present invention provides also further supplying method makes, make described electronic equipment to make equipment to exchange between scan pattern and Optimus demonstration switch mode and to switch at SLI according to user's input command.This electronic equipment also comprises:
Mode switch element 404, for detection of the first mode selection instruction that whether receives user's input, if received, determine according to first mode selection instruction whether the two field picture tupe that user selects is exchange scan pattern, if so, send two field picture to self-refresh unit from graphic process unit.
If mode switch element 404 is also for determining that according to first mode selection instruction the two field picture tupe that user selects is that Optimus shows switch mode, the two field picture central processing unit being sent is exported by PCH.
Above-mentioned one or more technical schemes in the embodiment of the present application, at least have following technique effect:
Because in prior art, can exist power consumption large if increase the Presentation Function of electronic equipment, the problem such as the flying power of battery is weak; The performance that the use duration of visible electric device battery has seriously restricted electronic equipment improves.Provide a kind of method for managing power supply for the problems referred to above embodiment of the present invention, the method is applied in an electronic equipment, this electronic equipment comprises two graphic process unit, between described graphic process unit and output interface, be connected self-refresh unit, described self-refresh unit is for storing the view data of graphic process unit output, and the method comprises: graphic process unit transmits two field picture to self-refresh unit; Whether have new two field picture output, if had, new two field picture is outputed to display unit if detecting described graphic process unit; Otherwise, the current two field picture in self-refresh unit of depositing is outputed to display unit, and send hint instructions to graphic process unit, make graphic process unit proceed to sleep state according to described hint instructions.After using such scheme provided by the present invention, can increase by 50% service time of battery under mobilemark test condition.
In addition, the present invention goes back supplying method, make described electronic equipment can exchange between scan pattern and Optimus demonstration switch mode and switch at SLI according to user's input command opertaing device, show the object of switch mode advantage thereby reach reasonably in conjunction with SLI exchange scan pattern and Optimus, and can be according to the mode of operation of determining that electronic equipment is applicable to the most that considers of the demand to Presentation Function and powder consumption of electronic equipment.
Method of the present invention is not limited to the embodiment described in embodiment, and those skilled in the art's technical scheme according to the present invention draws other embodiment, belongs to equally technological innovation scope of the present invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. a method for managing power supply, the method is applied in an electronic equipment, this electronic equipment comprises two graphic process unit, it is characterized in that, between described graphic process unit and output interface, be connected self-refresh unit, described self-refresh unit is for storing the view data of graphic process unit output, and the method comprises:
Graphic process unit transmits two field picture to self-refresh unit;
Whether have new two field picture output, if had, new two field picture is outputed to display unit if detecting described graphic process unit; Otherwise, the current two field picture in self-refresh unit of depositing is outputed to display unit, and send hint instructions to graphic process unit, make graphic process unit proceed to sleep state according to described hint instructions.
2. the method for claim 1, is characterized in that, when described output interface comprise multiple, the corresponding self-refresh unit of each output interface.
3. the method for claim 1, is characterized in that, whether detect described graphic process unit has new two field picture output to comprise:
The current two field picture receiving and the last two field picture receiving are compared, if identical, determine that described graphic process unit does not have new two field picture output.
4. the method for claim 1, is characterized in that, before the two field picture that reception graphic process unit in self-refresh unit sends, further comprises:
Detect the first mode selection instruction that whether receives user's input, if received, determine according to first mode selection instruction whether the two field picture tupe that user selects is exchange scan pattern, if so, sends two field picture to self-refresh unit from graphic process unit.
5. method as claimed in claim 4, is characterized in that, if determine that according to first mode selection instruction the two field picture tupe that user selects is that Optimus shows switch mode, the two field picture central processing unit being sent is exported by PCH.
6. an electronic equipment, this electronic equipment comprises two graphic process unit, it is characterized in that, is also connected with self-refresh unit between described graphic process unit and output interface, this self-refresh unit is for storing the view data of graphic process unit output; This electronic equipment also comprises:
Graphic process unit, for transmitting two field picture to self-refresh unit;
Whether self-refresh unit, have new two field picture output for detection of described graphic process unit, if had, new two field picture outputed to display unit; Otherwise, the current two field picture in self-refresh unit of depositing is outputed to display unit, and send hint instructions to graphic process unit, make graphic process unit proceed to sleep state according to described hint instructions.
7. electronic equipment as claimed in claim 6, is characterized in that, when described output interface comprises multiplely, this electronic equipment comprises multiple self-refresh unit, and described output interface is corresponding one by one with described self-refresh unit.
8. electronic equipment as claimed in claim 6, is characterized in that, whether graphic process unit has new two field picture output to comprise described in self-refresh unit inspection:
The current two field picture receiving and the last two field picture receiving are compared, if identical, determine that described graphic process unit does not have new two field picture output.
9. electronic equipment as claimed in claim 6, is characterized in that, this electronic equipment also comprises:
Mode switch element, for detection of whether receiving the first mode selection instruction that user inputs, if received, determine according to first mode selection instruction whether the two field picture tupe that user selects is exchange scan pattern, if so, send two field picture to self-refresh unit from graphic process unit.
10. electronic equipment as claimed in claim 9, it is characterized in that, if mode switch element is also for determining that according to first mode selection instruction the two field picture tupe that user selects is that Optimus shows switch mode, the two field picture central processing unit being sent is exported by PCH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210496198.8A CN103853305B (en) | 2012-11-28 | 2012-11-28 | A kind of method for managing power supply and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210496198.8A CN103853305B (en) | 2012-11-28 | 2012-11-28 | A kind of method for managing power supply and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103853305A true CN103853305A (en) | 2014-06-11 |
| CN103853305B CN103853305B (en) | 2016-10-05 |
Family
ID=50861075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210496198.8A Active CN103853305B (en) | 2012-11-28 | 2012-11-28 | A kind of method for managing power supply and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103853305B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007998A (en) * | 2019-12-24 | 2020-04-14 | 联想(北京)有限公司 | Processing method, system and electronic equipment |
| CN112306212A (en) * | 2020-10-29 | 2021-02-02 | 西安万像电子科技有限公司 | Terminal control method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080079739A1 (en) * | 2006-09-29 | 2008-04-03 | Abhay Gupta | Graphics processor and method for controlling a display panel in self-refresh and low-response-time modes |
| CN102682682A (en) * | 2011-03-14 | 2012-09-19 | 辉达公司 | Method and system for controlling self-refreshing display device |
-
2012
- 2012-11-28 CN CN201210496198.8A patent/CN103853305B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080079739A1 (en) * | 2006-09-29 | 2008-04-03 | Abhay Gupta | Graphics processor and method for controlling a display panel in self-refresh and low-response-time modes |
| CN101159128A (en) * | 2006-09-29 | 2008-04-09 | 英特尔公司 | Graphics processor and method for controlling a display panel in self-refresh and low-response-time modes |
| CN102682682A (en) * | 2011-03-14 | 2012-09-19 | 辉达公司 | Method and system for controlling self-refreshing display device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112306212A (en) * | 2020-10-29 | 2021-02-02 | 西安万像电子科技有限公司 | Terminal control method and device |
| CN112306212B (en) * | 2020-10-29 | 2024-02-23 | 西安万像电子科技有限公司 | Terminal control method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103853305B (en) | 2016-10-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102682682B (en) | For controlling the method and system of the display device with self-refresh ability | |
| CN102841671B (en) | Support the method and apparatus being coupled to the self-refresh display device of graphics controller | |
| JP6069354B2 (en) | Receiving apparatus, video refresh frequency control method, apparatus and system | |
| KR101549819B1 (en) | Techniques to transmit commands to a target device | |
| US9256265B2 (en) | Method and system for artificially and dynamically limiting the framerate of a graphics processing unit | |
| US8233000B1 (en) | System and method for switching between graphical processing units | |
| US8745366B2 (en) | Method and apparatus to support a self-refreshing display device coupled to a graphics controller | |
| US8259119B1 (en) | System and method for switching between graphical processing units | |
| TWI512676B (en) | Hybrid display frame buffer for display subsystem | |
| US8963863B2 (en) | Computer, display card, display device and method for updating display information | |
| KR20130040251A (en) | Techniques to control display activity | |
| CN111031371B (en) | Single-line screen projection system and method | |
| JP2013508846A (en) | Method and apparatus for display output stutter | |
| CN110895788A (en) | System for enhancing graphic processing capability and external device | |
| CN102497526B (en) | Method and system for displaying multiple channels of video by same link | |
| US20130044086A1 (en) | Display panel driving device and driving method thereof | |
| CN103853305A (en) | Power management method and electronic device | |
| US12100336B2 (en) | Dynamic sleep for a display panel | |
| US20210090485A1 (en) | Dynamic sleep for a display panel | |
| CN101819453A (en) | Computer with projection function | |
| TWI309349B (en) | Transmitter, computer system and frame displaying method | |
| CN105100670B (en) | Implement the method and its electronic device of mobile high definition transmission technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |