CN108255448A - Controller and its processing method, storage medium, the processor of display device - Google Patents
Controller and its processing method, storage medium, the processor of display device Download PDFInfo
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- 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
- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
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Abstract
The invention discloses controller and its processing method, storage medium, the processors of a kind of display device.Wherein, which includes：First processing module is used to receive the image of source output, the image of preset kind is stored, and the image of storage is exported to display device；Second processing module be used for receive source output image, by source export image store, the image of storage is reduced either enhanced processing and will reduce or amplified image export to display device；First memory module is used to store the image of preset kind or the image of source output；First control module is used for when judging that source allows to export the image of preset kind, first processing module is controlled to receive the image of source output, when judging that source does not allow to export the image of preset kind, control Second processing module receives the image of source output.The controller function that the present invention solves display device in the prior art is single, it is of high cost the technical issues of.
Description
Technical field
The present invention relates to chip field, controller and its processing method in particular to a kind of display device, storages
Medium, processor.
Background technology
DP (display interface is the abbreviation of Display Port) is a kind of full HD digital display interface standard, Ke Yilian
Computer equipment and display device, such as display screen are connect, for computer equipments such as notebooks, in order to aobvious in internal body connection
Display screen, usually using eDP interfaces (embedded display interface is the abbreviation of embedded Display Port).
PSR (panel self-refresh is the abbreviation of Panel Self Refresh) function is increased in eDP interfaces so that be
System can reduce system power dissipation, extend battery life when showing static image.In order to realize PSR functions, display device
It needs to set a memory module in TCON (sequence controller is the abbreviation of Timing Controller), is showing static figure
During picture, by image storage in a storage module, source stops transmission image at this time, and cuts off influence transmission interface, at this time then
By TCON, there will be the images in memory module automatically to show.
For DP interfaces, since the resolution of source and the resolution of display device are inconsistent, therefore, it is necessary to zoom in and out
The different resolution of input is obtained the resolution ratio that signal is all converted into as display device and shown by controller Scaler functions
Show.In order to realize above-mentioned function, need to store the image that source is sent, then pass through brightness and color control algolithm module
Scaler modules are re-fed into after processing, by specific algorithm process, by searching for suitable interpolation direction or weight, by changing
Become the horizontal and vertical resolution ratio of image, handle stronger edge effect, so that video content is suitable for display resolution, obtain
Normally to show.
A kind of fixed display resolution is supported since the controller of PSR functions can be only applied to eDP, and can not be applied to can be with
It is external in the product for the different sources for sending different resolution, and the controller with scaler does not have PSR functions,
So that properties of product reduce, power consumption increases.Therefore, controller function of the prior art is single, poor compatibility, no market competition
Power.In addition, in order to make controller that there is above-mentioned two, it can be real by way of increasing memory capacity size or number
It is existing, controller cost is caused to greatly increase, is unfavorable for volume production market price competition power.
It is of high cost for the problem that the controller function of display device in the prior art is single, it not yet proposes at present effective
Solution.
Invention content
An embodiment of the present invention provides controller and its processing method, storage medium, the processor of a kind of display device, with
The controller function at least solving display device in the prior art is single, it is of high cost the technical issues of.
One side according to embodiments of the present invention provides a kind of controller of display device, and controller is connected to aobvious
Between showing device and source, controller includes：First processing module is connect with source and display device, defeated for receiving source
The image gone out stores the image of preset kind, and the image of storage is exported to display device, wherein, source output
Stop output image after the image of preset kind；Second processing module is connect with source and display device, defeated for receiving source
The image that source exports is stored, the image of storage is reduced or enhanced processing by the image gone out, and will reduce or
The amplified image of person is exported to display device；First memory module, connect with first processing module and Second processing module, uses
In the image of storage preset kind or the image of source output；First control module, with first processing module and second processing mould
Block connects, for judging whether source allows the image of output preset kind, if it is judged that source allows to export preset kind
Image, then control first processing module receive source output image, if it is judged that source do not allow export preset kind
Image, then control Second processing module receive source output image.
Further, controller further includes：Second memory module, for storing the value of the first default position, wherein, first is pre-
If the value of position is used to characterize whether source allows to export the image of preset kind；First control module connects with the second memory module
It connects, for when the value for judging the first default position is the first preset value, determining that source allows to export the image of preset kind, when
When the value for judging the first default position is the second preset value, determine that source does not allow to export the image of preset kind.
Further, controller further includes：Third memory module, for storing the value of the second default position, wherein, second is pre-
If the value of position is used to characterize whether display device allows to receive the image of preset kind；First interface, with third memory module and
Second memory module connects, for the value of the second default position to be transmitted to source, and receive the first default position of source output
Value, wherein, source is according to the value of the second default position, the value of the first default position of generation.
Further, controller further includes：Third processing module, with first processing module, Second processing module and display
Device connects, and for receiving the image of the image of first processing module output or Second processing module output, and will receive
Image is exported to display device；Second control module is connect with third processing module and the first control module, is additionally operable to when determining
When source allows to export the image of preset kind, control third processing module receives the image of first processing module output, when true
When determining source does not allow to export the image of preset kind, control third processing module receives the image of Second processing module output.
Further, controller further includes：4th memory module, for storing the first configuration data, wherein, the first configuration
Data are used for the receiving ability of characterization control device；5th memory module, for storing the identification information of display device；First connects
Mouthful, it is connect with the 4th memory module and the 5th memory module, for the mark of the receiving ability of controller and display device to be believed
Breath is transmitted to source, wherein, source generates the second configuration data according to the identification information of the first configuration data and display device,
Second configuration data is used to characterize the fan-out capability of source.
Further, controller further includes：6th memory module, for storing the value that third presets position, wherein, third is pre-
If whether the value of position is properly received the image of source output for characterization control device；First interface is connect with the 6th memory module,
The value for being additionally operable to preset third position is transmitted to source, wherein, when source according to third preset position value determine controller receive
During failure, the second configuration data is adjusted.
Further, Second processing module is connect with the 5th memory module, is additionally operable to mark letter according to display device
Breath, determines the display resolution of display device, and passes through preset algorithm and zoom in or out the resolution ratio of the image of storage to aobvious
Show resolution ratio.
Further, first processing module is additionally operable to, when the first pre-set commands for receiving source output, to receive
Image of first image as preset kind, and the first image is stored to the first memory module, wherein, source is in output the
The first pre-set commands of output in preset time period after one image.
Further, first processing module is additionally operable to that the first pre-set commands ought not be received or receives source output
During the second pre-set commands, by the second image transmitting received to display device, wherein, source is before the second image is exported
The second pre-set commands of output in preset time period.
Further, controller further includes：Second interface is connect with source, first processing module and Second processing module,
For receiving the image of source output, and the image that source is exported is exported to first processing module and Second processing module.
Another aspect according to embodiments of the present invention additionally provides a kind of processing method of the controller of display device, packet
It includes：Judge whether source allows to export the image of preset kind, wherein, stop output figure after the image of source output preset kind
Picture；If it is judged that source allows to export the image of preset kind, then the image of source output is received by first processing module,
The image of preset kind is stored to the first memory module, and the image that the first memory module is stored is exported to display device；
If it is judged that source does not allow to export the image of preset kind, then the image of source output is received by Second processing module,
By source export image store to the first memory module, to the first memory module storage image reduced or amplification at
Reason, and will reduce or amplified image export to display device.
Further, judge whether source allows the image for exporting preset kind to include：Obtain the storage of the second memory module
The first default position value, wherein, the value of the first default position is used to characterize whether source allows to export the image of preset kind；Root
Judge whether source allows the image of output preset kind according to the value of the first default position；If it is judged that the value of the first default position is
First preset value, it is determined that source allows to export the image of preset kind；If it is judged that the value of the first default position is pre- for second
If value, it is determined that source does not allow to export the image of preset kind.
Further, before the value of the first default position of the second memory module storage is obtained, the above method further includes：It obtains
The value of the second default position that third memory module stores is taken, wherein, the value of the second default position is used to characterize whether display device permits
Perhaps the image of preset kind is received；The value of second default position is transmitted to by source by first interface, and receives source output
The value of first default position, wherein, source is according to the value of the second default position, the value of the first default position of generation.
Further, the image that the first memory module stores is exported to display device by first processing module or
It will be reduced by Second processing module or amplified image exported to before display device, the above method further includes：When true
When determining source allows to export the image of preset kind, the image of first processing module output is received by third processing module, and
The image received is exported to display device；When determining that source does not allow to export the image of preset kind, at third
It manages module and receives the image of Second processing module output, and the image received is exported to display device.
Another aspect according to embodiments of the present invention, additionally provides a kind of storage medium, and storage medium includes the journey of storage
Sequence, wherein, when program is run, equipment where control storage medium performs the controller of the display device in above-described embodiment
Processing method.
Another aspect according to embodiments of the present invention additionally provides a kind of processor, and processor is used to run program,
In, program performs the processing method of the controller of the display device in above-described embodiment when running.
In embodiments of the present invention, by setting first processing module and Second processing module in the controller, at first
Reason module and Second processing module share the first memory module, and pass through the first control module control first processing module or the
Two processing modules work, and not only have the function of PSR, but also have the function of Scaler so as to fulfill controller so that controller function is rich
Richness, and memory capacity or number need not be increased, reach raising compatibility, reduced size, increased yield, reduce cost,
Increase the technique effect of competitiveness, and then the controller function for solving display device in the prior art is single, skill of high cost
Art problem.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the application, this hair
Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is a kind of schematic diagram of the controller of display device according to embodiments of the present invention；
Fig. 2 is a kind of schematic diagram of the controller of optional display device according to embodiments of the present invention；And
Fig. 3 is a kind of flow chart of the processing method of the controller of display device according to embodiments of the present invention.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention
The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work should all belong to the model that the present invention protects
It encloses.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way
Data can be interchanged in the appropriate case, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not listing clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
Embodiment 1
According to embodiments of the present invention, a kind of embodiment of the controller of display device is provided.
Fig. 1 is a kind of schematic diagram of the controller of display device according to embodiments of the present invention, as shown in Figure 1, controller
It is connected between display device and source, which includes：First processing module 10, Second processing module 20, first store
30 and first control module 40 of module.
Wherein, first processing module 10 is connect with source and display device, will be default for receiving the image of source output
The image of type is stored, and the image of storage is exported to display device, wherein, after the image of source output preset kind
Stop output image；Second processing module 20 is connect with source and display device, for receiving the image of source output, by source
The image of output is stored, the image of storage is reduced either enhanced processing and will reduce or amplified image
It exports to display device；First memory module 30 is connect with first processing module and Second processing module, for storing default class
The image of image or the source output of type；First control module 40 is connect with first processing module and Second processing module, is used for
Judge whether source allows to export the image of preset kind, if it is judged that source allows to export the image of preset kind, then control
First processing module processed receives the image of source output, if it is judged that source does not allow to export the image of preset kind, then controls
Second processing module processed receives the image of source output.
Specifically, above-mentioned controller can be TCON chips；Above-mentioned source can send to need image to be shown
Equipment, for example, it may be the processing unit of the equipment such as notebook, tablet computer, IPAD；Above-mentioned display device can be aobvious
The equipment of diagram picture, for example, it may be display screen that the equipment such as notebook, tablet computer, IPAD carry or external
Display screen.Above-mentioned first processing module can realize the module of PSR functions, and above-mentioned Second processing module can be realized
The module of Scaler functions, the first above-mentioned memory module can be the memories that PSR modules and Scaler modules share, example
Such as, can be that SRAM (Static RAM is the abbreviation of Static Random Access Memory) or DDR are (double
Rate synchronization dynamic RAM is Double Data Rate Synchronous Dynamic Random Access
The abbreviation of Memory) etc. high-speed memories, the first above-mentioned control module can be PSR modules and Scaler moulds in TCON chips
The switch control logic of block, the image of above-mentioned preset kind can be static image.
In a kind of optional scheme, as shown in Fig. 2, can be redesigned to TCON chips, in TCON chips
Setting PSR modules and Scaler modules, two modules can share same memory module, and pass through switch control logic,
PSR modules and Scaler modules are controlled, when source allow transmit static image, for example, source and display device are propped up
It holds PSR functions or source and does not support PSR functions, and during display device support PSR functions, switch control logic can control
PSR modules work, and the image of source transmission is received by PSR modules, when receiving static image, can be stored static image
Into common storage, and the Still Image Transmission to display device is shown automatically；When source do not allow to export it is static
Image, for example, source and display device do not support PSR functions or source to support PSR functions, and display device is not supported
During PSR functions, switch control logic can control Scaler modules to work, and the image of source transmission is received by Scaler modules,
And store image into common storage, it is, Ran Houyou consistent with the resolution ratio of display device by the conversion of resolution of image
Display device is shown.
According to the above embodiment of the present invention, by setting first processing module and Second processing module in the controller,
One processing module and Second processing module share the first memory module, and pass through the first control module control first processing module or
Person's Second processing module works, and not only has the function of PSR, but also have the function of Scaler so as to fulfill controller so that controller work(
Can be abundant, and memory capacity or number need not be increased, reach raising compatibility, reduced size, increased yield, reduce into
This, increases the technique effect of competitiveness, and then the controller function for solving display device in the prior art is single, of high cost
Technical problem.
Optionally, as shown in Figure 1, in the above embodiment of the present invention, controller further includes：Second memory module 50.
Wherein, the second memory module 50 is used to store the value of the first default position, wherein, the value of the first default position is used to characterize
Whether source allows to export the image of preset kind；First control module is connect with the second memory module, for when judging the
When the value of one default position is the first preset value, determine that source allows to export the image of preset kind, when judging the first default position
Value be the second preset value when, determine source do not allow export preset kind image.
Specifically, the second above-mentioned memory module can be that (configuration data of DP interfaces is Display Port to DPCD
The abbreviation of Configure Data) in region, address is the register of 00170h, and DPCD regions are the systems of existing DP interface standards
First, the configuration data region that publicly-owned, fixing address defines；The first above-mentioned default position can be the 0th in the register
(bit0), the value of this can be 0 or 1, can allow to export the corresponding value of static image with prespecified source, for example, the value
Allow to export static image for 1 expression source, which does not allow to export static image namely the first preset value for 0 expression source
It is 1, the second preset value is 0.It should be noted that when the value allows to export static image for 1 expression source, which represents for 0
When source does not allow to export static image, the default initial values of 00170h bit0 can be 0, can be according to actual needs to this
The value of position is modified, that is, by the position 1.
In a kind of optional scheme, as shown in Fig. 2, switch control logic can be according to 00170h in DPCD regions
The value control PSR modules of bit0 or the work of Scaler modules, when value is 1, control PSR module work；It is controlled when value is 0
Scaler modules work, and PSR functions can be not only realized, but also can realize Scaler functions so as to fulfill TCON chips.
Optionally, in the above embodiment of the present invention, as shown in Figure 1, controller further includes：Third memory module 60 and first
Interface 70.
Wherein, third memory module 60 is used to store the value of the second default position, wherein, the value of the second default position is used to characterize
Whether display device allows to receive the image of preset kind；First interface 70 connects with third memory module and the second memory module
It connects, for the value of the second default position to be transmitted to source, and receives the value of the first default position of source output, wherein, source root
According to the value of the second default position, the value of the first default position is generated.
Specifically, above-mentioned third memory module can be the register that address is 00070h in DPCD regions, above-mentioned
Second default position can be the 0th (bit0) in the register, the value of this can be 0 or 1, can be with prespecified display device
Allow to receive the corresponding value of static image, that is, prespecified display device supports the corresponding value of PSR functions, for example, the value is
1 expression display device allows to receive static image namely display device supports PSR functions, which does not permit for 0 expression display device
Perhaps static image namely display device are received and does not support PSR functions, it should be noted that the value of the register is in TCON cores
Software firmware configuration is written during piece volume production, can not modify；Above-mentioned first interface can be link interactive interface, source
Before image is transmitted, it can be communicated by link interactive interface with TCON chips, can be carried out when link layer interacts first
Whether display device supports the interaction of PSR.
In a kind of optional scheme, as shown in Fig. 2, source, before image is transmitted, source passes through link interactive interface
The value of 00070h bit0 in DPCD regions is read, determines whether display device supports PSR functions according to the value, when the value is 1
When, determine that display device supports PSR functions, if source also supports PSR functions, in 00170h bit0 write-ins value 1；When this
It is worth when being 0, determines that display device does not support PSR functions, since the default initial values of 00170h bit0 are 0, then source is without right
The value of 00170h bit0 is modified.It should be noted that when display device supports PSR functions, and source does not support PSR work(
Can when, the value of 00170h bit0 can be put 1 manually by firmware configuration, still, if source output image resolution ratio with
The resolution ratio of display device is different, then the default initial values of 00170h bit0 can be kept constant.It through the above scheme can be real
Existing good compatibility.
Optionally, in the above embodiment of the present invention, as shown in Figure 1, controller further includes：Third processing module 80 and second
Control module 90.
Wherein, third processing module 80 is connect with first processing module, Second processing module and display device, for receiving
The image of first processing module output or the image of Second processing module output, and the image received is exported to display and is filled
It puts；Second control module 90 is connect with third processing module and the first control module, is additionally operable to allow output pre- when determining source
If during the image of type, control third processing module receives the image of first processing module output, when determining that it is defeated that source does not allow
When going out the image of preset kind, control third processing module receives the image of Second processing module output.
Specifically, above-mentioned third processing module can be multiplexing module, and the second above-mentioned control module can be
The selection control logic of multiplexer channel in TCON chips.
In a kind of optional scheme, as shown in Fig. 2, multiplexing module can be by selecting control logic to be controlled
System when source allows to transmit static image, selects control logic that multiplexing module can be controlled to receive PSR module transfers
Image is received the image of source transmission by PSR modules, when receiving static image, can be stored static image to shared
In memory, and the Still Image Transmission to display device is shown automatically；When source does not allow to export static image, choosing
The image that control logic can control multiplexing module to receive Scaler module transfers is selected, receiving source by Scaler modules passes
Defeated image, and image is stored into common storage, it is the resolution ratio one with display device by the conversion of resolution of image
It causes, is then shown by display device.
Optionally, in the above embodiment of the present invention, as shown in Figure 1, controller further includes：4th memory module 100 and
Five memory modules 110.
Wherein, the 4th memory module 100 is used to store the first configuration data, wherein, the first configuration data is controlled for characterizing
The receiving ability of device processed；5th memory module 110 is used to store the identification information of display device；First interface and the 4th storage mould
Block and the connection of the 5th memory module, for the identification information of the receiving ability of controller and display device to be transmitted to source,
In, source generates the second configuration data, the second configuration data is used for according to the identification information of the first configuration data and display device
Characterize the fan-out capability of source.
Specifically, the 4th above-mentioned memory module can be all registers in DPCD regions, including：Address is 00170h
With the register of 00070h namely including above-mentioned the second memory module and third memory module, the first above-mentioned configuration data
It can include：Bandwidth BW, port number lane, signal amplitude intensity, signal preemphasis, whether support scrambling, whether support spread spectrum,
Whether PSR function etc. is supported；The identification information of above-mentioned display device can be EDID (the extending display identification numbers of display device
According to, be Extended Display Identification Data abbreviation), each display device has the EDID of oneself,
EDID information integrations are in the firmware (the 5th i.e. above-mentioned memory module) of TCON chips.
In a kind of optional scheme, source can be shaken hands into TCON chips by the communication of link interactive interface first
Work(, in this process, source can determine whether display device supports PSR functions.Specifically, source is by reading TCON chips
DPCD regions configuration, then source can read EDID data, according to the receiving ability of TCON chips, in corresponding register
(receptions of TCON chips is not to be exceeded in the index that pays attention to actually passing a parameter to configuration parameter when actual transmissions image is written in address bit
Ability, for example, practical bandwidth centainly be less than or equal to TCON chips receiving ability bandwidth), source in subsequent transmission image,
Practical corresponding register transmits image to TCON chips according to configuration parameter.
Optionally, in the above embodiment of the present invention, as shown in Figure 1, controller further includes：6th memory module 120.
Wherein, the 6th memory module 120 is used to store the value that third presets position, wherein, the value that third presets position is used for table
Whether sign controller is properly received the image of source output；First interface is connect with the 6th memory module, is additionally operable to third is pre-
If the value of position is transmitted to source, wherein, when source presets the value of position according to third determines controller reception failure, match to second
Data are put to be adjusted.
Specifically, the 6th above-mentioned memory module can be particular register in DPCD regions, specific bit value in register
It can be 0 or 1, the corresponding value of image of source transmission whether can be successfully received with prespecified TCON chips, for example,
The value can receive success for 1 expression TCON chips, which represents that TCON chips being capable of reception failure for 0.
In a kind of optional scheme, in order to ensure TCON chips can be properly received the image of source transmission, source exists
After configuration parameter during corresponding register address position write-in actual transmissions image, practical corresponding register transfer image is given
TCON chips, TCON chips certain bits can provide the value of success or failure in DPCD particular registers, and source should by reading
The value of certain bits, if the value of the certain bits represents failure, source can strengthen the parameters such as signal amplitude, preemphasis, until should
The value of certain bits represents successfully.And volume production machine system is all 100% success under the conditions of preset parameter.
Optionally, in the above embodiment of the present invention, Second processing module connect with the 5th memory module, is additionally operable to basis
The identification information of display device, determines the display resolution of display device, and passes through resolution of the preset algorithm by the image of storage
Rate is zoomed in or out to display resolution.
Specifically, can at most may be used in EDID with the sequential i.e. resolution ratio that identification display device is supported by EDID information
To support 25 groups of sequential, 17 groups of built-in sequential add 8 groups of standard time sequences；Above-mentioned preset algorithm can be interpolation software algorithm,
Scaler needs to support the sequential that sends of how many kinds of source, can specifically be realized by interpolation software algorithm, support when
Sequence is more, and interpolation software algorithm is more complicated, and TCON chip prices are also higher, therefore, can be according to different TCON chip forms, valency
Lattice, Product Definition are come the sequential of selectively supporting how many kinds of different, it is not essential however to support all 28 kinds of sequential.
In a kind of optional scheme, when Scaler modules work, PSR module from service, Scaler modules can be with
Each frame image of source output is captured, is deposited into common storage, is reduced or put by interpolation software algorithm
Greatly to the display resolution of display device, the normal display of screen is realized, for example, the display resolution when display device is
It, can be by scaling down to being more than the image of the resolution ratio (for example, the resolution ratio 3840* of image during 1920*1080
2160th, 3200*1800,2560*1240 etc.) reduced, by scaling up to be less than the resolution ratio image (for example,
Resolution ratio 1366*768,1280*720,1024*768,800*600 of image etc.) it is amplified.
Optionally, in the above embodiment of the present invention, first processing module is additionally operable to when receive source output first is pre-
If during order, using the first image received as the image of preset kind, and the first image is stored to the first memory module,
Wherein, source exports the first pre-set commands in the preset time period after exporting the first image.
Specifically, the first above-mentioned pre-set commands can be the order into PSR, and above-mentioned preset time period can be figure
The frame of picture disappears during shadow (vertical blanking).
In a kind of optional scheme, when source transmission static image needs to enter PSR, source can the static image
Vertical blanking during can be transmitted into the command packet of PSR, display device, which decodes, corresponding enters PSR
Order, control PSR modules store static image into common storage, and source can stop exporting image, and cut off biography at this time
Defeated interface.
Optionally, in the above embodiment of the present invention, first processing module be additionally operable to not receive the first pre-set commands or
When receiving the second pre-set commands of source output, by the second image transmitting received to display device, wherein, source is defeated
The second pre-set commands are exported in preset time period before going out the second image.
Specifically, the second above-mentioned image can be PSR modules in the case where entering non-PSR patterns, and source is defeated in real time
The image or PSR modules gone out is in the case where entering PSR patterns, the more new images of source output.
In a kind of optional scheme, when source needs more new images, source is before more new images are sent
The command packet for exiting PSR can be sent during vertical blanking, PSR modules meeting bypass is switched to non-PSR moulds
Formula, display device show the image that real-time reception arrives.
Optionally, in the above embodiment of the present invention, as shown in Figure 1, controller further includes：Second interface 130.
Wherein, second interface 130 is connect with source, first processing module and Second processing module, defeated for receiving source
The image gone out, and the image that source is exported is exported to first processing module and Second processing module.
Specifically, above-mentioned second interface can be high speed interface, for receiving the image of source output.
In a kind of optional scheme, as shown in Fig. 2, after source and TCON chip communications are shaken hands successfully, source can
To export image to the reception physical layer of TCON chips by data-interface.
The controller of the display device provided through the above scheme, has the following advantages that：It can be in source interface input terminal
It is DP, eDP, other interface conversions can also be turned DP into DP or eDP, such as VGA, HDMI turns DP, and DVI turns DP, and type-c turns
DP etc. has compatibility and autgmentability well；It realizes same memory module to use to disparate modules, does not need to be each
A function module is all equipped with the memory of a large capacity, substantially reduces TCON chip hardware costs, and support different product
Form, it is flexible and changeable, realize compatibility and autgmentability well so that product has the very strong market competitiveness；It is held by link
Hand, selection source and TCON chip functions module channels that can be adaptive, very flexibly, does not need to any human intervention, can
It is very powerful with property, compatibility.
Embodiment 2
According to embodiments of the present invention, a kind of embodiment of the processing method of the controller of display device is provided, is needed
Bright, step shown in the flowchart of the accompanying drawings can be held in the computer system of such as a group of computer-executable instructions
Row, although also, show logical order in flow charts, it in some cases, can be to be different from sequence herein
Perform shown or described step.
Fig. 3 is a kind of flow chart of the processing method of the controller of display device according to embodiments of the present invention, such as Fig. 3 institutes
Show, this method comprises the following steps：
Step S302, judges whether source allows to export the image of preset kind, wherein, source exports the figure of preset kind
Stop output image as after.
Specifically, above-mentioned source can send the equipment for needing image to be shown, for example, it may be notebook, flat
The processing unit of the equipment such as plate computer, IPAD；The image of above-mentioned preset kind can be static image.
Step S304 if it is judged that source allows to export the image of preset kind, is then received by first processing module
The image of source output, the image of preset kind is stored to the first memory module, and the image that the first memory module is stored
It exports to display device.
Specifically, above-mentioned first processing module can realize the module of PSR functions；The first above-mentioned memory module can
To be memory that PSR modules and Scaler modules share, for example, it may be (Static RAM is Static to SRAM
The abbreviation of Random Access Memory) or DDR (Double Data Rate synchronous DRAM is Double Data
The abbreviation of Rate Synchronous Dynamic Random Access Memory) etc. high-speed memories；Above-mentioned display dress
It can be the equipment for showing image to put, for example, it may be the display screen that the equipment such as notebook, tablet computer, IPAD carry, also may be used
To be external display screen.
Step S306 if it is judged that source does not allow to export the image of preset kind, is then connect by Second processing module
The image of source output is received, the image that source exports is stored to the first memory module, to the image of the first memory module storage
Reduced either enhanced processing and will reduce or amplified image export to display device.
Specifically, above-mentioned Second processing module can realize the module of Scaler functions.
In a kind of optional scheme, the TCON chip structures of display device are as shown in Fig. 2, can carry out TCON chips
It redesigns, sets PSR modules and Scaler modules, two modules that can share same memory mould in TCON chips
Block, and pass through switch control logic, PSR modules and Scaler modules are controlled, when source allows to transmit static image, example
Such as, source and display device support PSR functions or source not to support PSR functions, and during display device support PSR functions,
Switch control logic can control PSR modules to work, and the image of source transmission be received by PSR modules, when receiving static image
When, static image can be stored into common storage, and automatically shown the Still Image Transmission to display device；
When source does not allow to export static image, for example, source and display device do not support PSR functions or source to support PSR work(
Can, and when display device does not support PSR functions, switch control logic can control Scaler modules to work, by Scaler modules
It receives the image of source transmission, and by image storage in common storage, is and display device by the conversion of resolution of image
Resolution ratio it is consistent, then shown by display device.
According to the above embodiment of the present invention, by setting first processing module and Second processing module in the controller,
One processing module and Second processing module share the first memory module, and pass through the first control module control first processing module or
Person's Second processing module works, and not only has the function of PSR, but also have the function of Scaler so as to fulfill controller so that controller work(
Can be abundant, and memory capacity or number need not be increased, reach raising compatibility, reduced size, increased yield, reduce into
This, increases the technique effect of competitiveness, and then the controller function for solving display device in the prior art is single, of high cost
Technical problem.
Optionally, in the above embodiment of the present invention, step S302 judges whether source allows to export the image of preset kind
Including：The value of the first default position of the second memory module storage is obtained, wherein, the value of the first default position is used for whether characterizing source
Allow the image of output preset kind；Judge whether source allows the image of output preset kind according to the value of the first default position；
If it is judged that the value of the first default position is the first preset value, it is determined that source allows to export the image of preset kind；If sentence
Break the first default position value be the second preset value, it is determined that source do not allow export preset kind image.
Specifically, the second above-mentioned memory module can be that (configuration data of DP interfaces is Display Port to DPCD
The abbreviation of Configure Data) in region, address is the register of 00170h, and DPCD regions are the systems of existing DP interface standards
First, the configuration data region that publicly-owned, fixing address defines；The first above-mentioned default position can be the 0th in the register
(bit0), the value of this can be 0 or 1, can allow to export the corresponding value of static image with prespecified source, for example, the value
Allow to export static image for 1 expression source, which does not allow to export static image namely the first preset value for 0 expression source
It is 1, the second preset value is 0.It should be noted that when the value allows to export static image for 1 expression source, which represents for 0
When source does not allow to export static image, the default initial values of 00170h bit0 can be 0, can be according to actual needs to this
The value of position is modified, that is, by the position 1.
In a kind of optional scheme, switch control logic can be controlled according to the value of 00170h bit0 in DPCD regions
PSR modules or the work of Scaler modules, when value is 1, control PSR module work；Scaler module works are controlled when value is 0
Make, PSR functions can be not only realized, but also can realize Scaler functions so as to fulfill TCON chips.
Optionally, in the above embodiment of the present invention, before the value of the first default position of the second memory module storage is obtained,
This method further includes：The value of the second default position of third memory module storage is obtained, wherein, the value of the second default position is used to characterize
Whether display device allows to receive the image of preset kind；The value of second default position is transmitted to by source by first interface, and
The value of the first default position of source output is received, wherein, source is according to the value of the second default position, the value of the first default position of generation.
Specifically, above-mentioned third memory module can be the register that address is 00070h in DPCD regions, above-mentioned
Second default position can be the 0th (bit0) in the register, the value of this can be 0 or 1, can be with prespecified display device
Allow to receive the corresponding value of static image, that is, prespecified display device supports the corresponding value of PSR functions, for example, the value is
1 expression display device allows to receive static image namely display device supports PSR functions, which does not permit for 0 expression display device
Perhaps static image namely display device are received and does not support PSR functions, it should be noted that the value of the register is in TCON cores
Software firmware configuration is written during piece volume production, can not modify；Above-mentioned first interface can be link interactive interface, source
Before image is transmitted, it can be communicated by link interactive interface with TCON chips, can be carried out when link layer interacts first
Whether display device supports the interaction of PSR.
In a kind of optional scheme, for source before image is transmitted, source reads DPCD areas by link interactive interface
The value of 00070h bit0 in domain determines whether display device supports PSR functions according to the value, when the value is 1, determines display
Device supports PSR functions, if source also supports PSR functions, in 00170h bit0 write-ins value 1；When the value is 0, determine
Display device does not support PSR functions, and since the default initial values of 00170h bit0 are 0, then source is without to 00170h bit0
Default initial values modify.It should be noted that when display device supports PSR functions, and source does not support PSR functions
When, the value of 00170h bit0 can be put 1 manually by firmware configuration, still, if the resolution ratio of source output image is with showing
The resolution ratio of showing device is different, then 00170h bit0 can be kept to give tacit consent to initial value constant.It can realize through the above scheme
Good compatibility.
Optionally, in the above embodiment of the present invention, in step S304, the first memory module is deposited by first processing module
The image of storage is exported to display device or step S306, will be reduced by Second processing module or amplified image exports
To before display device, this method further includes：When determining that source allows to export the image of preset kind, mould is handled by third
Block receives the image of first processing module output, and the image received is exported to display device；When determining that source do not allow
When exporting the image of preset kind, the image that Second processing module exports is received, and will receive by third processing module
Image is exported to display device.
Specifically, above-mentioned third processing module can be multiplexing module, and the second above-mentioned control module can be
The selection control logic of multiplexer channel in TCON chips,
In a kind of optional scheme, as shown in Fig. 2, multiplexing module can be by selecting control logic to be controlled
System when source allows to transmit static image, selects control logic that multiplexing module can be controlled to receive PSR module transfers
Image is received the image of source transmission by PSR modules, when receiving static image, can be stored static image to shared
In memory, and the Still Image Transmission to display device is shown automatically；When source does not allow to export static image, choosing
The image that control logic can control multiplexing module to receive Scaler module transfers is selected, receiving source by Scaler modules passes
Defeated image, and image is stored into common storage, it is the resolution ratio one with display device by the conversion of resolution of image
It causes, is then shown by display device.
Embodiment 3
According to embodiments of the present invention, a kind of embodiment of storage medium is provided, storage medium includes the program of storage,
In, when program is run, equipment where control storage medium performs the processing of the controller of the display device in above-described embodiment 2
Method.
Embodiment 4
According to embodiments of the present invention, a kind of embodiment of processor is provided, processor is used to run program, wherein, journey
The processing method of the controller of the display device in above-described embodiment 2 is performed during sort run.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
In the above embodiment of the present invention, all emphasize particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode in actual implementation, for example, multiple units or component can combine or
Person is desirably integrated into another system or some features can be ignored or does not perform.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
It connects, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple
On unit.Some or all of unit therein can be selected according to the actual needs to realize the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That each unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is independent product sale or uses
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially
The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products
It embodies, which is stored in a storage medium, is used including some instructions so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment the method for the present invention whole or
Part steps.And aforementioned storage medium includes：USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program code
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (16)
1. a kind of controller of display device, which is characterized in that controller is connected between display device and source, the control
Device includes：
First processing module is connect with the source and the display device, will be pre- for receiving the image of the source output
If the image of type is stored, and the image of storage is exported to the display device, wherein, the source output is described pre-
If stop output image after the image of type；
Second processing module is connect with the source and the display device, for receiving the image of the source output, by institute
The image for stating source output is stored, after either enhanced processing is reduced to the image of storage and will reduce or amplify
Image export to the display device；
First memory module is connect with the first processing module and the Second processing module, for storing the default class
The image of type or the image of source output；
First control module is connect with the first processing module and the Second processing module, for judging that the source is
The no image for allowing to export the preset kind, if it is judged that the source allows to export the image of the preset kind, then
The first processing module is controlled to receive the image of the source output, if it is judged that the source do not allow to export it is described pre-
If the image of type, then the Second processing module is controlled to receive the image of the source output.
2. controller according to claim 1, which is characterized in that
The controller further includes：Second memory module, for storing the value of the first default position, wherein, the first default position
Value for characterizing whether the source allows to export the image of the preset kind；
First control module is connect with second memory module, for being when the value for judging the described first default position
During the first preset value, determine that the source allows to export the image of the preset kind, when judging the described first default position
When being worth for the second preset value, determine that the source does not allow to export the image of the preset kind.
3. controller according to claim 2, which is characterized in that the controller further includes：
Third memory module, for storing the value of the second default position, wherein, the value of the second default position is described aobvious for characterizing
Whether showing device allows to receive the image of the preset kind；
First interface is connect with the third memory module and second memory module, for by the described second default position
Value is transmitted to the source, and receives the value of the described first default position of the source output, wherein, the source is according to
The value of second default position generates the value of the first default position.
4. controller according to claim 1, which is characterized in that the controller further includes：
Third processing module is connect with the first processing module, the Second processing module and the display device, for connecing
The image of the first processing module output or the image of Second processing module output are received, and the image received is exported
To the display device；
Second control module is connect with the third processing module and first control module, is additionally operable to when the determining source
When end allows to export the image of the preset kind, the third processing module is controlled to receive the first processing module output
Image when determining that the source does not allow to export the image of the preset kind, controls the third processing module to receive institute
State the image of Second processing module output.
5. controller according to claim 1, which is characterized in that the controller further includes：
4th memory module, for storing the first configuration data, wherein, first configuration data is used to characterize the controller
Receiving ability；
5th memory module, for storing the identification information of the display device；
First interface is connect with the 4th memory module and the 5th memory module, for by the reception of the controller
The identification information of ability and the display device is transmitted to the source, wherein, the source is according to first configuration data
With the identification information of the display device, the second configuration data is generated, second configuration data is used to characterize the source
Fan-out capability.
6. controller according to claim 5, which is characterized in that
The controller further includes：6th memory module, for storing the value that third presets position, wherein, the third presets position
Value be used to characterize the image whether controller is properly received source output；
The first interface is connect with the 6th memory module, be additionally operable to by the third preset position value be transmitted to it is described
Source, wherein, when the source presets the value of position according to the third determines the controller reception failure, to described second
Configuration data is adjusted.
7. controller according to claim 5, which is characterized in that the Second processing module, with the described 5th storage mould
Block connects, and is additionally operable to the identification information according to the display device, determines the display resolution of the display device, and passes through pre-
Imputation method zooms in or out the resolution ratio of the image of the storage to the display resolution.
8. controller according to claim 1, which is characterized in that the first processing module is additionally operable to described when receiving
During the first pre-set commands of source output, using the first image received as the image of the preset kind, and by described the
One image is stored to first memory module, wherein, preset time period of the source after described first image is exported
Interior output first pre-set commands.
9. controller according to claim 8, which is characterized in that the first processing module is additionally operable to that institute ought not be received
When stating the first pre-set commands or receiving the second pre-set commands of the source output, by the second image transmitting received to institute
Display device is stated, wherein, the source exports described second in the preset time period before exporting second image
Pre-set commands.
10. controller according to claim 1, which is characterized in that the controller further includes：
Second interface is connect with the source, the first processing module and the Second processing module, for receiving the source
The image of output is held, and the image that the source is exported is exported to the first processing module and the Second processing module.
11. a kind of processing method of the controller of display device, which is characterized in that including：
Judge whether source allows to export the image of preset kind, wherein, after the source exports the image of the preset kind
Stop output image；
If it is judged that the source allows to export the image of the preset kind, then the source is received by first processing module
The image of output is held, the image of preset kind is stored to the first memory module, and the figure that first memory module is stored
As output to display device；
If it is judged that the source does not allow to export the image of the preset kind, then received by Second processing module described in
The image of source output, the image that the source exports is stored to first memory module, to first memory module
The image of storage reduced either enhanced processing and will reduce or amplified image export to the display device.
12. according to the method for claim 11, which is characterized in that judge whether source allows to export the image of preset kind
Including：
The value of the first default position of the second memory module storage is obtained, wherein, the value of the first default position is described for characterizing
Whether source allows to export the image of the preset kind；
Judge whether the source allows to export the image of the preset kind according to the value of the described first default position；
If it is judged that the value of the first default position is the first preset value, it is determined that the source allows to export the default class
The image of type；
If it is judged that the value of the first default position is the second preset value, it is determined that the source does not allow to export described default
The image of type.
13. according to the method for claim 12, which is characterized in that in the first default position for obtaining the storage of the second memory module
Value before, the method further includes：
The value of the second default position of third memory module storage is obtained, wherein, the value of the second default position is described for characterizing
Whether display device allows to receive the image of the preset kind；
The value of described second default position is transmitted to by the source by first interface, and receives described the of source output
The value of one default position, wherein, the source is according to the value of the described second default position, the value of the generation first default position.
14. according to the method for claim 11, which is characterized in that mould is being stored by described first by first processing module
Block storage image export to display device or by Second processing module will reduce or amplified image export to described
Before display device, the method further includes：
When determining that the source allows to export the image of the preset kind, received at described first by third processing module
The image of module output is managed, and the image received is exported to the display device；
When determining that the source does not allow to export the image of the preset kind, by described in third processing module reception
The image of Second processing module output, and the image received is exported to the display device.
15. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein, it is run in described program
When control the storage medium where display device in equipment perform claim requirement 11 to 14 described in any one controller
Processing method.
16. a kind of processor, which is characterized in that the processor is used to run program, wherein, right of execution when described program is run
Profit requires the processing method of the controller of the display device described in any one in 11 to 14.
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