CN113805826B - Domestic platform-based integrated display and single display switching localization method - Google Patents
Domestic platform-based integrated display and single display switching localization method Download PDFInfo
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- 238000006243 chemical reaction Methods 0.000 claims description 3
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- 238000005008 domestic process Methods 0.000 claims description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/20—Processor architectures; Processor configuration, e.g. pipelining
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0026—PCI express
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses a localization method for integrated display and single display switching based on a localization platform, which belongs to the technical field of electronic circuits, and aims to solve the technical problems of realizing flexible control of power consumption of a whole machine and integrated display switching, saving power consumption, and adopting the following technical scheme: the method comprises the following steps: based on the Loongson platform, DV1 signals are expanded through Loongson bridge chip integrated display cards, and the maximum display memory is 256MB; selecting a domestic Jingjia micro display card JM7200 as a display signal switched by an independent display card to be DV1, wherein the maximum support of a video memory is 4GB; and switching the integrated display card and the independent display card through hardware.
Description
Technical Field
The invention relates to the technical field of electronic circuits, in particular to a localization method for integrated display and independent display switching based on a localization platform.
Background
The application of the server is more and more extensive, not only is used for data storage, operation processing and background management, but also is used for image processing, in this case, the higher the display requirement on the server is, the display effect and the video memory of the integrated video card can not meet the requirements of clients, and the video memory and the application effect can be improved only by adopting a mode of expanding an independent video card.
However, expanding the independent graphics card clearly has some drawbacks, such as increased power consumption of the server, and on the server platform, the independent graphics card and the integrated graphics card cannot be used simultaneously.
Therefore, how to realize flexible control of the power consumption of the whole machine and switching of the integrated display and save the power consumption are technical problems to be solved urgently at present.
Disclosure of Invention
The technical task of the invention is to provide a localization method for switching between integrated display and independent display based on a localization platform, so as to solve the problem of how to realize flexible control of the power consumption of the whole machine and switching between integrated display and save power consumption.
The technical task of the invention is realized in the following way, and the method is a localization method based on the integrated display and the independent display switching of a localization platform, and is concretely as follows:
based on the Loongson platform, DV1 signals are expanded through Loongson bridge chip integrated display cards, and the maximum display memory is 256MB;
selecting a domestic Jingjia micro display card JM7200 as a display signal switched by an independent display card to be DV1, wherein the maximum support of a video memory is 4GB;
and switching the integrated display card and the independent display card through hardware.
Preferably, the bridge piece 7a1000 of the Loongson platform has a display signal of DV0, and a domestic chip GM7510 is used to realize conversion in order to obtain a normal display signal.
Preferably, the domestic Jing Jiawei display card JM7200 supports DV1 signal output, and the domestic Jing Jiawei display card JM7200 extends display signals by connecting with PCIEx8 type of the Loongson platform bridge piece 7A 1000.
More preferably, the switching between the integrated graphics card and the independent graphics card is accomplished through hardware specifically as follows:
selecting a dragon switching chip LT8631UX to realize DV1 switching;
the single chip microcomputer of the switching controller is matched to realize the function of controlling switching;
the server panel is configured with a switching key to control the switching of the independent display card and the integrated display card;
the switching controller singlechip controls the switching of the display card by detecting the state of the key, and simultaneously controls the power supply of the independent display card when the display card is integrated, and the power supply is turned off, so that the power consumption is reduced;
the DV1 signal of the independent display card and the DV1 signal of the integrated display card are both input to a dragon signal switching chip LT8631UX, and after receiving a switching key signal, a single chip microcomputer signal of the switching controller informs a CPU through a GPIO port, and the CPU opens and closes the integrated display card and opens and closes the independent display card under firmware.
More preferably, the server panel is configured with a switching key to control the switching of the independent display card and the integrated display card, and the switching is specifically as follows:
the key is high level, and when the key is not pressed, the independent display card is in a working state;
the key is low level, and when the key is pressed, the integrated display card is in a working state.
More preferably, the working process of the switching controller singlechip is as follows:
(1) Initializing a single chip microcomputer of a switching controller, and executing the step (2) next;
(2) Before the server is powered on, the singlechip detects the state of the switching key, the switching is realized according to the state, and the step (3) is executed next;
(3) The switching controller singlechip informs the CPU of the state of the display card through a GPIO pin interconnected with the CPU, and specifically can pull down or pull up the bus, and the step (4) is executed next;
(4) Judging whether the key is at a high level:
(1) if the key is at the high level, executing the step (5);
(2) if the key is at the low level, jumping to the step (8);
(5) The singlechip of the switching controller controls the dragon switching chip LT8631UX to switch the display channel to the single-display DVI channel, and the step (6) is executed next;
(6) Informing the main board of powering up, controlling the independent display card to power up at the same time, and executing the step (7) next;
(7) After the power-on is finished, the CPU detects that the display card is in a single display state through the GPIO, meanwhile, the independent display card is opened under the firmware, the integrated display card is closed, the display of the independent display card is completed, and the step (11) is executed next.
(8) The singlechip of the switching controller controls the dragon switching chip LT8631UX to switch the display channel to the integrated display DVI channel, and the step (9) is executed next;
(9) Informing the main board of powering up, simultaneously controlling the independent display card not to be powered up, and executing the step (10) next;
(10) After the power-on is finished, the CPU detects that the display card is in a concentrated display state through the GPIO, and simultaneously opens the integrated display card under the firmware, closes the independent display card, completes the display of the integrated display card, and then executes the step (11);
(11) And finishing the switching.
An electronic device, comprising: a memory and at least one processor;
wherein the memory has a computer program stored thereon;
the at least one processor executes the computer program stored by the memory, so that the at least one processor executes the localization method based on the integrated display and the independent display switching of the localization platform.
A computer readable storage medium having a computer program stored therein, the computer program being executable by a processor to implement a localization method based on a set-display and a unique-display switching of a localization platform as described above.
The localization method based on the integrated display and independent display switching of the localization platform has the following advantages: the invention can flexibly control the power consumption of the whole machine, and when a client has display requirements and image processing requirements, the power consumption is switched to independent display; when the client processes the background data and does not need to have high display requirements, the client is switched to the integrated display card, so that the switching of the independent display and the integrated display can be flexibly controlled, the power consumption can be saved, and the power consumption is not always high; therefore, has good popularization and use value.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a block diagram of an integrated graphics DVI signal implementation;
FIG. 2 is a schematic diagram of a block diagram of an independent graphics DVI signal implementation;
FIG. 3 is a block diagram illustrating a hardware switch;
fig. 4 is a flow chart of the working process of the single-chip microcomputer of the switching controller.
Detailed Description
The domestic platform-based integrated display and independent display switching domestic method of the invention is described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1:
the invention relates to a localization method based on integrated display and independent display switching of a localization platform, which comprises the following steps:
s1, expanding DV1 signals through a Loongson bridge chip integrated display card based on a Loongson platform, wherein the maximum display memory is 256MB;
s2, selecting a domestic Jingjia micro video card JM7200 as a display signal switched by an independent video card to be DV1, wherein the maximum support of a video memory is 4GB;
s3, switching between the integrated display card and the independent display card is completed through hardware.
As shown in fig. 1, in the embodiment, the bridge piece 7a1000 of the Loongson platform has a display signal of DV0, and in order to obtain a normal display signal, a domestic chip GM7510 is used to implement conversion.
As shown in fig. 2, the domestic Jing Jiawei display card JM7200 in the embodiment supports the output of DV1 signals, and the domestic Jing Jiawei display card JM7200 extends the display signals by connecting with the PCIEx8 model of the Loongson platform bridge piece 7a 1000.
As shown in fig. 3, in step S3 of the present embodiment, the switching between the integrated graphics card and the independent graphics card is completed through hardware specifically as follows:
s301, selecting a dragon signal switching chip LT8631UX to realize DV1 switching;
s302, a singlechip of a switching controller is matched to realize the function of controlling switching;
s303, a server panel is configured with a switching key to control the switching of the independent display card and the integrated display card;
s304, the switching controller singlechip controls the switching of the display card by detecting the state of the key, and simultaneously controls the power supply of the independent display card to turn off the power supply when the display card is integrated, so that the power consumption is reduced;
s305, DV1 signals of the independent display cards and DV1 signals of the integrated display cards are input to a dragon switching chip LT8631UX, and after receiving a switching key signal, a single-chip microcomputer signal of the switching controller informs a CPU through a GPIO port, and the CPU opens and closes the integrated display cards and opens and closes the independent display cards under firmware.
In this embodiment, the switching of the independent graphics card and the integrated graphics card controlled by the server panel configuration switching key in step S303 is specifically as follows:
(1) the key is high level, and when the key is not pressed, the independent display card is in a working state;
(2) the key is low level, and when the key is pressed, the integrated display card is in a working state.
As shown in fig. 4, the working process of the switching controller singlechip in this embodiment is specifically as follows:
(1) Initializing a single chip microcomputer of a switching controller, and executing the step (2) next;
(2) Before the server is powered on, the singlechip detects the state of the switching key, the switching is realized according to the state, and the step (3) is executed next;
(3) The switching controller singlechip informs the CPU of the state of the display card through a GPIO pin interconnected with the CPU, and specifically can pull down or pull up the bus, and the step (4) is executed next;
(4) Judging whether the key is at a high level:
(1) if the key is at the high level, executing the step (5);
(2) if the key is at the low level, jumping to the step (8);
(5) The singlechip of the switching controller controls the dragon switching chip LT8631UX to switch the display channel to the single-display DVI channel, and the step (6) is executed next;
(6) Informing the main board of powering up, controlling the independent display card to power up at the same time, and executing the step (7) next;
(7) After the power-on is finished, the CPU detects that the display card is in a single display state through the GPIO, meanwhile, the independent display card is opened under the firmware, the integrated display card is closed, the display of the independent display card is completed, and the step (11) is executed next.
(8) The singlechip of the switching controller controls the dragon switching chip LT8631UX to switch the display channel to the integrated display DVI channel, and the step (9) is executed next;
(9) Informing the main board of powering up, simultaneously controlling the independent display card not to be powered up, and executing the step (10) next;
(10) After the power-on is finished, the CPU detects that the display card is in a concentrated display state through the GPIO, and simultaneously opens the integrated display card under the firmware, closes the independent display card, completes the display of the integrated display card, and then executes the step (11);
(11) And finishing the switching.
Example 2:
the embodiment of the invention also provides electronic equipment, which comprises: a memory and a processor;
wherein the memory stores computer-executable instructions;
and the processor executes the computer execution instructions stored in the memory, so that the processor executes the localization method based on the integrated display and the independent display switching of the localization platform in any embodiment of the invention.
Example 3:
the embodiment of the invention also provides a computer readable storage medium, wherein a plurality of instructions are stored, and the instructions are loaded by a processor, so that the processor executes the localization method based on the integrated display and the unique display switching of the localization platform in any embodiment of the invention. Specifically, a system or apparatus provided with a storage medium on which a software program code realizing the functions of any of the above embodiments is stored, and a computer (or CPU or MPU) of the system or apparatus may be caused to read out and execute the program code stored in the storage medium.
In this case, the program code itself read from the storage medium may realize the functions of any of the above-described embodiments, and thus the program code and the storage medium storing the program code form part of the present invention.
Examples of storage media for providing program code include floppy disks, hard disks, magneto-optical disks, optical disks (e.g., CD-ROMs, CD-R, CD-RWs, DVD-ROMs, DVD-RYM, DVD-RWs, DVD+RWs), magnetic tapes, nonvolatile memory cards, and ROMs. Alternatively, the program code may be downloaded from a server computer by a communication network.
Further, it should be apparent that the functions of any of the above-described embodiments may be implemented not only by executing the program code read out by the computer, but also by causing an operating system or the like operating on the computer to perform part or all of the actual operations based on the instructions of the program code.
Further, it is understood that the program code read out by the storage medium is written into a memory provided in an expansion board inserted into a computer or into a memory provided in an expansion unit connected to the computer, and then a CPU or the like mounted on the expansion board or the expansion unit is caused to perform part and all of actual operations based on instructions of the program code, thereby realizing the functions of any of the above embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (3)
1. A localization method based on integrated display and independent display switching of a localization platform is characterized by comprising the following steps:
based on the Loongson platform, DV1 signals are expanded through Loongson bridge chip integrated display cards, and the maximum display memory is 256MB;
selecting a domestic Jingjia micro display card JM7200 as a display signal switched by an independent display card to be DV1, wherein the maximum support of a video memory is 4GB;
switching between the integrated display card and the independent display card is completed through hardware;
wherein, the bridge piece 7A1000 of the Loongson platform has a display signal DV0, and a domestic chip GM7510 is adopted to realize conversion in order to obtain a normal display signal;
the domestic Jing Jiawei display card JM7200 supports the output of DV1 signals, and the domestic Jing Jiawei display card JM7200 expands display signals by connecting with the PCIEx8 model of the Loongson platform bridge piece 7A 1000;
the switching of the integrated display card and the independent display card is completed through hardware specifically comprises the following steps:
selecting a dragon switching chip LT8631UX to realize DV1 switching;
the single chip microcomputer of the switching controller is matched to realize the function of controlling switching;
the server panel is configured with a switching key to control the switching of the independent display card and the integrated display card;
the switching controller singlechip controls the switching of the display card by detecting the state of the key, and controls the power supply of the independent display card when the display card is integrated;
the DV1 signal of the independent display card and the DV1 signal of the integrated display card are both input to a dragon switching chip LT8631UX, and after receiving a switching key signal, a single chip microcomputer signal of the switching controller informs a CPU through a GPIO port, and the CPU opens and closes the integrated display card and opens and closes the independent display card under firmware;
the server panel is configured with a switching key to control the switching of the independent display card and the integrated display card, and the switching key is specifically as follows:
the key is high level, and when the key is not pressed, the independent display card is in a working state;
the key is in low level, and when the key is pressed, the integrated display card is in a working state;
the working process of the switching controller singlechip is specifically as follows:
(1) Initializing a single chip microcomputer of a switching controller, and executing the step (2) next;
(2) Before the server is powered on, the singlechip detects the state of the switching key, the switching is realized according to the state, and the step (3) is executed next;
(3) The switching controller singlechip informs the CPU of the state of the display card through a GPIO pin interconnected with the CPU, and specifically can pull down or pull up the bus, and the step (4) is executed next;
(4) Judging whether the key is at a high level:
(1) if the key is at the high level, executing the step (5);
(2) if the key is at the low level, jumping to the step (8);
(5) The singlechip of the switching controller controls the dragon switching chip LT8631UX to switch the display channel to the single-display DVI channel, and the step (6) is executed next;
(6) Informing the main board of powering up, controlling the independent display card to power up at the same time, and executing the step (7) next;
(7) After the power-on is finished, the CPU detects that the display card is in a single display state through the GPIO, and simultaneously the independent display card is opened under the firmware, the integrated display card is closed, the display of the independent display card is completed, and the step (11) is executed next;
(8) The singlechip of the switching controller controls the dragon switching chip LT8631UX to switch the display channel to the integrated display DVI channel, and the step (9) is executed next;
(9) Informing the main board of powering up, simultaneously controlling the independent display card not to be powered up, and executing the step (10) next;
(10) After the power-on is finished, the CPU detects that the display card is in a concentrated display state through the GPIO, and simultaneously opens the integrated display card under the firmware, closes the independent display card, completes the display of the integrated display card, and then executes the step (11);
(11) And finishing the switching.
2. An electronic device, comprising: a memory and at least one processor;
wherein the memory has a computer program stored thereon;
the at least one processor executes the computer program stored by the memory, so that the at least one processor executes the localization method based on the integrated display and the independent display switching of the localization platform according to claim 1.
3. A computer readable storage medium having a computer program stored therein, the computer program being executable by a processor to implement the domestic platform based integrated display and single display switching domestic method of claim 1.
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| CN201527597U (en) * | 2009-06-11 | 2010-07-14 | 英业达科技有限公司 | Notebook computer |
| CN202153350U (en) * | 2011-07-21 | 2012-02-29 | 曙光信息产业股份有限公司 | Video signal switch device for loongson mainboard |
| CN207867393U (en) * | 2018-01-04 | 2018-09-14 | 北京普利永华科技发展有限公司 | The adaptive switching device of display interface and computer main board |
| CN213690586U (en) * | 2020-10-28 | 2021-07-13 | 合肥联宝信息技术有限公司 | Display screen switching circuit and electronic equipment |
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| CN201527597U (en) * | 2009-06-11 | 2010-07-14 | 英业达科技有限公司 | Notebook computer |
| CN202153350U (en) * | 2011-07-21 | 2012-02-29 | 曙光信息产业股份有限公司 | Video signal switch device for loongson mainboard |
| CN207867393U (en) * | 2018-01-04 | 2018-09-14 | 北京普利永华科技发展有限公司 | The adaptive switching device of display interface and computer main board |
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