Difference between revisions of "IoTGateway/BSP/Linux/iMX6/Features/Display"

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(Dual Channel LVDS Display)
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==Recommended Display Module List==
 
{| class="wikitable"
 
|-
 
! Module Name !! Description
 
|-
 
| [http://www2.advantech.com.tw/certified-peripherals/Products/96id_panel/96LEDK-A070WV35NB1 96LEDK-A070WV35NB1] || 7" Color TFT-LCD Panel, 800 x 480
 
|-
 
| [http://www2.advantech.com/certified-peripherals/Products/96ID_PANEL/96LEDK-A121XG50NE1 96LEDK-A121XG50NE1] || 12.1" Color TFT-LCD Panel, 1024 x 768
 
|-
 
| CHIMEI INNOLUX M185BGE || 18.5" Color TFT-LCD Panel, 1366 x 768
 
|-
 
| AUO M240HW01-VB || 24" Color TFT-LCD Panel, 1920 x 1080, Dual channels
 
|-
 
| [http://buy.advantech.com/product/7-Display-Kit-800x480-LVDS-400ni/IDK-1107WR-40WVA1E/model-IDK-1107WR-40WVA1E.htm IDK-1107WR-40WVA1E] || 7" 800x480 LVDS 400nits -20~70℃ LED 6/8-bit with 4-wire Resistive Touch Display Kit
 
|-
 
| [http://buy.advantech.com/product/Display-kit-embedded-display-kit/IDK-1115R-40XGC1E/model-IDK-1115R-40XGC1E.htm IDK-1115R-40XGC1E] || LCD DISPLAY, 15" LED panel 1024x768(G) with 5W R-touch
 
|-
 
| [http://buy.advantech.com/IDK-1115P-40XGC1E-IDK-1115P-40XG/IDK-1115P-40XGC1E/model-IDK-1115P-40XGC1E.htm DK-1115P-40XGC1E] || 15" 1024x768 LVDS 400nits -20 to +70℃ LED 50K Projective Capacitive Touch Display Kit
 
|-
 
| [http://buy.advantech.com/21-1-industrial-display-kit-embe/IDK-1121WR-30FHA1E/model-IDK-1121WR-30FHA1E.htm DK-1121WR-30FHA1E] || 21.5” 1920x1080 LVDS 300nits 0~60℃ LED with 5-wire Touch Display Kit
 
|-
 
| [http://buy.advantech.com/product/12-SVGA-450nits-Open-Frame-Monit/IDS-3112EN-45SVA1E/model-IDS-3112EN-45SVA1E.htm IDS-3112EN-45SVA1E] || 12" SVGA 450nits Open Frame Monitor
 
|-
 
| [http://buy.advantech.com/product/IDS-3112N-45SVA1E-IDS-3112N-45SV/IDS-3112N-45SVA1E/model-IDS-3112N-45SVA1E.htm IDS-3112N-45SVA1E] || 12" 800 x 600, LED Slim Open Frame Monitor with VGA/DVI Interface
 
|}
 
  
==Dual Channel LVDS Display==
 
Calculating Timings parameter of LVDS Panel SOP
 
OS: Yocto 1.8
 
Modify imx6qdl-advantech.dtsi
 
Step1: In ldb parameter, add parameter --> split-mode; /* dual-channel setting *
 
<small>
 
  &ldb {
 
        ext_ref = "true";
 
        status = "okay";
 
        split-mode; /* dual-channel setting */</small>
 
 
Step2:  In lvds-channel@1, change [crtc = "ipu1-di1";] to [crtc = "ipu1-di0";]
 
<small>
 
        lvds-channel@1 {
 
                fsl,data-mapping = "spwg";
 
                fsl,data-width = <24>;
 
                /* crtc = "ipu1-di1"; */
 
                crtc = "ipu1-di0"; /* dual-channel setting */
 
                status = "okay";</small>
 
 
Step3:  In display-timings native-mode = <&timing0>, Delete the other panel parameter.Add" LTI370LN01 " Parameter
 
        <small>//Dual channel panel
 
                        timing0: lti370ln01 {
 
                                clock-frequency = <148500000>;
 
                                hactive = <1920>;
 
                                vactive = <544>;
 
                                hback-porch = <70>;
 
                                hfront-porch = <70>;
 
                                vback-porch = <200>;
 
                                vfront-porch = <200>;
 
                                hsync-len = <140>;
 
                                vsync-len = <185>;
 
                        };</small>
 
 
Calculating Timings parameter
 
Check your panel Timing table
 
Example : samsung 37 inch panel
 
:[[Image:Timing lvds.png|400px]]
 
:[[Image:Timing lvds2.png||400px]]
 
 
(1)clock-frequency  -->  Clock (MHz)
 
 
(2)hactive                -->  Horizontal Active Display Period
 
 
(3)vactive                -->  Vertical Active Display Period 
 
 
(4)hback-porch + hfront-porch + hsync-len (Total) = Blanking =  Horizontal Total - Horizontal Active Display Period
 
 
(5)vback-porch + vfront-porch + vsync-len (Total) = Blanking =  Vertical Total - Vertical Active Display Period
 
 
==Single Channel LVDS Display==
 
 
==Touch Screen Panel==
 

Latest revision as of 05:00, 9 August 2016