CN101866290B - Computer screen picture plane display method and related computer, medium and program product - Google Patents
Computer screen picture plane display method and related computer, medium and program product Download PDFInfo
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- CN101866290B CN101866290B CN 200910131670 CN200910131670A CN101866290B CN 101866290 B CN101866290 B CN 101866290B CN 200910131670 CN200910131670 CN 200910131670 CN 200910131670 A CN200910131670 A CN 200910131670A CN 101866290 B CN101866290 B CN 101866290B
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Abstract
The invention relates to a computer screen picture plane display method and related computer, medium and program product. The computer screen picture plane display method is executed by a basic input output system when the power supply of a computer is started and hardware detection and startup picture display are carried out and includes the following steps: the preset display mode of the basic input output system and the display mode stored by a panel are detected; whether the two display modes are the same is judged, if yes, the image controller of the computer automatically outputs a picture plane signal according to the display mode of the panel and the steps of starting up is continued; if no, the image controller outputs a picture plane signal consistent with the setting of the preset display mode of the basic input output system. Thus, the computer controls picture plane display at starting up by virtue of automatic detection and judging method, upright display can be set by a user without being required in the operating system environment and efficiency is improved while system resource is saved.
Description
Technical field
The present invention relates to a kind of basic input output system of computer, particularly relate to display packing and correlation computer, medium and the program product of the performed screen picture of computer of a kind of Basic Input or Output System (BIOS) of the computing machine that is applicable to have upright display device.
Background technology
Along with the fast development of computer technology, present computing machine and peripherals thereof can provide the various selection of user and meet the various operational requirements of user.For example, when the user passed through computer screen curtain browser document or webpage, the display screen of vertical type can allow the user once see more content.
Existing display frame with computer screen transfers straight method to showing to by general horizontal demonstration, mostly by software display is rotated laggard line output, can cause the larger workload of central processing unit.
In recent years, what also change was set under the favourable operating system that is used in computing machine, make image controller change display direction, by this, image controller will make literal and figure rotation and uprightly show when making Graphics Processing.Yet the aforementioned method that display frame is turned to all must be set and be carried out under the environment of operating system by the user after selected screen placing direction, and operating system is carried out this setting required time length and need be expended than multi-system resource.Make specially the upright display device that shows to design, at present existing upright display packing is non-better way obviously.
Summary of the invention
The present invention designs for upright display device, allow Computer Equipment person or user need not under operating system environment, to set or mounting software carries out picture rotation, finish the upright demonstration of screen picture of computer in mode the quickest and that expend minimum system resource.
Desirable extending display identification data (the extended display identification data of panel of upright display device, EDID) resolution of supporting should be upright display mode, for example 768 * 1024, but because laterally display device is that market is large, the resolution that EDID supports of the panel that present panel factory provides is still and is horizontal display mode, for example 1024 * 768, the manufacturer of upright display device may use the panel of horizontal display mode in the case.Therefore the present inventor thinks deeply the computer screen picture plane display method that a kind of energy is suitable for the panel of upright or horizontal display mode, and this panel stores the EDID content and supports such as I
2C transmission interface storer; No matter the panel that adopts of display device why by this, computing machine adopts the inventive method start, and the effect of upright demonstration can both be provided.
Therefore, purpose of the present invention namely is to provide a kind of display packing of utilizing the screen picture of computer of Basic Input or Output System (BIOS) (calling BIOS in the following text) execution.
Another object of the present invention is to provide a kind of computing machine with upright display device, can uprightly show after the display packing of this screen picture of computer of start execution.
A further object of the present invention, be to provide the recording medium of a kind of interior storage BIOS, for example ROM (read-only memory) (ROM) or flash ROM (flash ROM) after the CPU (central processing unit) of computing machine reads BIOS and execution, can be finished the display packing of this screen picture of computer.
Another purpose of the present invention is to provide a kind of computer program, after computing machine loads this computer program and carries out, can finish the display packing of this screen picture of computer.
So, the display packing of screen picture of computer of the present invention, the computing machine of the default upright display mode of BIOS when being applicable to dispatch from the factory, also being applicable to BIOS can provide the user to change the computing machine of preset display mode; The method is in the computing machine power-on and CPU (central processing unit) reads the BIOS that stores among the ROM by a first interface circuit and begin to carry out hardware detection and start-up picture is carried out when showing (claiming that usually POST begins), and comprises following steps:
(A) utilize a receiver module of CPU (central processing unit) to receive preset display mode and the stored EDID data of panel among the detected BIOS.These EDID data refer to the form related data that stores in the storer of panel, content comprises the basic parameter of display device, and for example manufacturer, product designation, and supported resolution etc. are display device fixing parameters when dispatching from the factory.Utilize and detect supported resolution, be equivalent to learn the display mode of panel---when one the resolution of supporting for example be 768 * 1024,768 is the wide pixel of panel (pixel) number and 1024 be the high pixel count of panel, because of the pixel count of width less than height, namely the EDID of this panel supports upright display mode; Otherwise, for example be 1024 * 768, because of the pixel count of width greater than height, namely the EDID of this panel supports horizontal display mode.
(B) utilize a storage module that is connected with this receiver module, the preset display mode among this BIOS is recorded in the storer by this first interface circuit.This storer can be a nonvolatile random access memory (NV RAM).
(C) utilize one to judge with the comparing module that this receiver module connects whether the EDID display mode of BIOS and panel is identical, if, then make a control module by one second interface circuit the image controller (display card) of computing machine be sent a control signal that shows according to EDID voluntarily, and proceed the POST next step; If not, then make this control module by this second interface circuit this image controller be sent the control signal of exporting picture signal according to preset display mode among the BIOS, then proceed the POST next step.
According to above-mentioned flow process, the present invention may face following four kinds of situations:
One, the EDID of panel supports upright display mode, and the BIOS preset display mode is upright display mode.This is the optimal design of upright display device, and through judgement flow process of the present invention, because EDID is identical with the BIOS preset display mode, so image controller only needs to get final product according to the upright picture signal of EDID output voluntarily.
Two, the EDID of panel supports horizontal display mode, and the BIOS preset display mode is horizontal display mode.This situation represents this display device and not only adopts the panel of supporting upright demonstration, does not also preset upright demonstration by BIOS, and should be judged as: product designer or user do not need display device uprightly to show.Therefore, through judgement flow process of the present invention, image controller is voluntarily according to the horizontal picture signal of EDID output.
Three, the EDID of panel supports horizontal display mode, but the BIOS preset display mode is upright display mode.This kind display device is the product of the at present upright the most normal manufacturing of display device manufacturer and design, also is value of the present invention place; In detail, obtain the panel of supporting horizontal display mode when manufacturer, but can be by preset upright display mode at BIOS, then utilize the present invention to judge flow process, because EDID is not identical with the BIOS preset display mode, therefore image controller needs automatically to reach the purpose of upright demonstration according to the upright picture signal of BIOS preset display mode output.
Four, the EDID of panel supports upright display mode, but the BIOS preset display mode is horizontal display mode.Though this situation represents this display device and adopts the panel of supporting upright demonstration, product designer or user change preset display mode into horizontal demonstration by BIOS, should be judged as: product designer or user do not need display device uprightly to show.Therefore, through judgement flow process of the present invention, image controller is according to the horizontal picture signal of BIOS preset display mode output.
Especially, the invention provides a kind of computer screen picture plane display method, begun to carry out in the computing machine power-on to carry out when hardware detection and start-up picture show by a Basic Input or Output System (BIOS), and comprise following steps: the preset display mode and the stored display mode of panel that detect Basic Input or Output System (BIOS); Judge whether Basic Input or Output System (BIOS) is identical with the display mode of panel, if, then make the image controller of computing machine voluntarily according to the stored display mode output picture signal of panel, if not, then make the picture signal of the preset display mode same settings of described image controller output and Basic Input or Output System (BIOS).
The present invention also provides a kind of computing machine with upright display device, and its CPU (central processing unit) is carried out computer screen picture plane display method of the present invention after reading and carry out Basic Input or Output System (BIOS).
The present invention also provides a kind of recording medium of interior storage Basic Input or Output System (BIOS), after the CPU (central processing unit) of computing machine reads and carry out described Basic Input or Output System (BIOS), can finish computer screen picture plane display method of the present invention.
The present invention also provides a kind of computer program, and the CPU (central processing unit) of computing machine is finished computer screen picture plane display method of the present invention after reading and carry out program in the described computer program.
Display packing by screen picture of computer provided by the invention, if the EDID of panel supports upright display mode, and the preset display mode of BIOS has been upright demonstration, then behind the determining step of step (C), uprightly shows according to EDID voluntarily to get final product; Value of the present invention supports that at the EDID of panel resolution is laterally to show and preset display mode is directly to represent when showing especially, behind the determining step of step of the present invention (C), can make image controller change the output format of picture, need not by the software converted output signal, the user also need not to set up on their own after entering the environment of operating system, finishes by this upright demonstration of screen picture of computer in mode the quickest and that expend minimum system resource.In addition, the present invention is outside the fundamental purpose of automatically finishing upright demonstration, also keep the dirigibility that display device can laterally show on demand, so long as product designer or user set by BIOS or change preset display mode, then still can laterally show such as its required carrying out through the present invention.
Description of drawings
Fig. 1 is a synoptic diagram, and the computing machine with upright display device of the present invention is described;
Fig. 2 is the system diagram of preferred embodiment of the present invention; And
Fig. 3 is the process flow diagram of preferred embodiment of the display packing of screen picture of computer of the present invention.
The primary clustering symbol description:
1 ... computing machine 223 with upright display device ... comparing module
11 ... upright display device 224 ... control module
20 ... main frame 230 ... storer
210 ... ROM (read-only memory) 240 ... image controller
212 ... first interface circuit 250 ... the second interface circuit
220 ... CPU (central processing unit) 30 ... display panel
221 ... receiver module 310 ... the storer that has EDID
222 ... storage module S
1～S
6Step
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description of following cooperation preferred embodiment with reference to the accompanying drawings, can clearly present.
The preferred embodiment of the display packing of screen picture of computer of the present invention is applicable to the computing machine with upright display device 11 1 as shown in Figure 1, but not being limited with notebook computer shown in Figure 1, can be the computing machine of the various kenels such as desktop PC.
The display packing of this screen picture of computer is the form realization by the Basic Input or Output System (BIOS) of this computing machine 1 (BIOS), and Fig. 2 is the main frame 20 of computing machine 1 of the present invention and the system block diagram of the preferred embodiment of the display panel 30 of display device 11.ROM (read-only memory) in the main frame 20 (ROM) 210 stores bios program, and CPU (central processing unit) 220 reads and carry out the bios program instruction that is stored in ROM 210 by first interface circuit 212, can carry out start process; These instructions include the functions such as framework CPU (central processing unit) 220, test dynamic storage (DRAM), initialization chipset and peripheral unit and driving hard disk.
Because when the computing machine 1 that the present invention has a upright display device 11 dispatches from the factory, the preset display mode that may set BIOS shows for upright, but also may be to be designed to allow the user change preset display mode, therefore display packing of the present invention must be able to be applicable to above-mentioned various computing machine.Display packing of the present invention is carried out method flow as shown in Figure 3.When computing machine 1 electric power starting, CPU (central processing unit) 220 reads bios program and begins to carry out hardware detection and start-up picture demonstration, when namely the normal POST program that claims begins, and then namely carries out method of the present invention, until the POST process finishes.Aforementioned start-up picture refers to normal BIOS POST picture or the POST picture that claims.
The display packing preferred embodiment of screen picture of computer of the present invention comprises following steps:
Step S
1One receiver module 221 of-CPU (central processing unit) 220 receives the EDID data that storer 310 is deposited in detected BIOS preset display mode data and the display panel 30.The setting data of aforementioned BIOS preset display mode is recorded among the BIOS and is stored in ROM 210.And the parameter that the EDID content has stored when to be display device 11 dispatch from the factory, content comprises the basic parameter of display device, and for example manufacturer, product designation, and supported resolution etc. are stored in the storer 310 of display panel 30.
Step S
2-one storage module 222 that is connected with receiver module 221 is with step S
1Detected preset display mode is recorded in the storer 230.This storer 230 can be a nonvolatile random access memory (NV RAM) 230, for reading in the follow-up flow process.
Step S
3-one judges with the comparing module 223 that receiver module 221 connects whether the display mode of EDID support of BIOS preset display mode and display panel 30 is identical, if, for example the BIOS preset display mode is upright, and the EDID of panel also supports upright demonstration, or the BIOS preset display mode is horizontal, and the EDID of panel also supports horizontal display mode, and then a control module 224 that is connected with comparing module 223 will be carried out step S
4, make image controller 240 voluntarily according to EDID output picture signal, at this moment, if BIOS display mode default and that EDID supports all is upright, then display frame will be upright demonstration naturally; Display mode all is horizontal demonstration if BIOS is default and that EDID supports, represent that product designer or user deliberately design or the default display setting of the BIOS that more corrects one's mistakes this moment, be to wish that display frame is horizontal display effect, then display frame is horizontal after this step is judged.This step judges that if not for example the default upright display mode of BIOS shows but the EDID of panel support is horizontal, or the default horizontal display mode of BIOS, but EDID supports uprightly demonstration, and then control module 224 will be carried out step S
5, make the picture signal of image controller 240 output and the preset display mode same settings of BIOS.That is to say, when EDID supports horizontal display mode, but BIOS presets upright display mode, then the Basic Input or Output System (BIOS) (VBIOS) of 224 pairs of image controllers of control module is assigned rotate instruction, and the display that allows all will send display panel 30 to all is vertical direction in processing and transfer process.Otherwise, if EDID supports upright display mode, but the default horizontal display mode of BIOS, then image controller 240 is according to the horizontal picture signal of BIOS preset display mode output.
Step S
4Or S
5Afterwards, all continue and carry out step S
6, proceed the next step of POST, until POST finishes.
In sum, no matter the EDID of the display panel 30 of display device 11 supports horizontal or upright display mode, as long as BIOS is preset as in the situation of horizontal demonstration at product designer or user, carried out in the start process can realize the BIOS of the inventive method after, can both finish the purpose of upright demonstration.Thus, set upright demonstration and no longer need under the environment of operating system, carry out, can save time and system resource, really can reach purpose of the present invention.
The above-described content of thought, it only is preferred embodiment of the present invention, can not limit scope of the invention process with this, i.e. every simple equivalent variations and modification of doing according to claims scope of the present invention and invention description content all still belongs in the scope that patent of the present invention contains.
Claims (8)
1. computer screen picture plane display method is begun to carry out in the computing machine power-on to carry out when hardware detection and start-up picture show by a Basic Input or Output System (BIOS), and may further comprise the steps:
Detect preset display mode and the stored display mode of panel of Basic Input or Output System (BIOS);
Judge whether Basic Input or Output System (BIOS) is identical with the display mode of panel, if, then make the image controller of computing machine voluntarily according to the stored display mode output picture signal of panel, if not, then make the picture signal of the preset display mode same settings of described image controller output and Basic Input or Output System (BIOS);
Wherein, the display mode of described Basic Input or Output System (BIOS) and described panel is upright or horizontal display mode.
2. computer screen picture plane display method according to claim 1, wherein, the stored display mode of described panel is to utilize the resolution of the extending display identification data that detect panel to learn.
3. computer screen picture plane display method according to claim 1, wherein, when the display mode of panel is laterally to show, and the Basic Input or Output System (BIOS) preset display mode is upright the demonstration, then a control module of the CPU (central processing unit) of main frame is assigned rotate instruction to the image controller Basic Input or Output System (BIOS), makes the picture signal of the preset display mode same settings of described image controller output and Basic Input or Output System (BIOS).
4. computer screen picture plane display method according to claim 1, wherein, the preset display mode of described Basic Input or Output System (BIOS) is recorded in a nonvolatile random access memory.
5. one kind is used for the system that screen picture of computer shows, described system is used for beginning to carry out to carry out described screen picture of computer when hardware detection and start-up picture show in the computing machine power-on by a Basic Input or Output System (BIOS) and shows, and comprises with lower device:
Device for detection of the stored display mode of the preset display mode of Basic Input or Output System (BIOS) and panel;
Whether the display mode that is used for judging Basic Input or Output System (BIOS) and panel identical device;
Be used for when the display mode of judging Basic Input or Output System (BIOS) and panel is identical, make the image controller of computing machine export voluntarily the device of picture signal according to the stored display mode of panel;
Be used for when the display mode of judging Basic Input or Output System (BIOS) and panel is not identical, make described image controller export and the device of the picture signal of the preset display mode same settings of Basic Input or Output System (BIOS);
Wherein, the display mode of described Basic Input or Output System (BIOS) and described panel is upright or horizontal display mode.
6. the system that shows for screen picture of computer according to claim 5, wherein, the stored display mode of described panel is to utilize the resolution of the extending display identification data that detect panel to learn.
7. the system that shows for screen picture of computer according to claim 5, wherein, when the display mode of panel is laterally to show, and the Basic Input or Output System (BIOS) preset display mode is upright the demonstration, then a control module of the CPU (central processing unit) of main frame is assigned rotate instruction to the image controller Basic Input or Output System (BIOS), makes the picture signal of the preset display mode same settings of described image controller output and Basic Input or Output System (BIOS).
8. the system that shows for screen picture of computer according to claim 5, wherein, the preset display mode of described Basic Input or Output System (BIOS) is recorded in a nonvolatile random access memory.
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| CN 200910131670 CN101866290B (en) | 2009-04-14 | 2009-04-14 | Computer screen picture plane display method and related computer, medium and program product |
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| CN 200910131670 CN101866290B (en) | 2009-04-14 | 2009-04-14 | Computer screen picture plane display method and related computer, medium and program product |
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| CN101866290B true CN101866290B (en) | 2013-01-02 |
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| CN105260149A (en) * | 2015-09-17 | 2016-01-20 | 青岛海信电器股份有限公司 | Method and system for processing display |
| CN109901955A (en) * | 2017-12-07 | 2019-06-18 | 上海擎感智能科技有限公司 | A kind of method and system for testing power-on screen state |
| CN111414213B (en) * | 2019-01-04 | 2023-04-18 | 佛山市顺德区顺达电脑厂有限公司 | Method for identifying boot stage of basic input and output system |
| CN111638929A (en) * | 2020-05-26 | 2020-09-08 | 广州视源电子科技股份有限公司 | Startup image processing method, device, equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101340475A (en) * | 2008-08-11 | 2009-01-07 | 段属光 | Side tuning mobile phone |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101340475A (en) * | 2008-08-11 | 2009-01-07 | 段属光 | Side tuning mobile phone |
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| JP特开2003-319043A 2003.11.07 |
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