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am5728: GP EVM HDMI question

Part Number: AM5728

Hello,

          I want to use HDMI of AM5728 EVM board.

         I have also refer below link:

Now,when i use "modetest" command to check id of HDMI and LCD,its not appear in debug print.

its look like as below:

trying to open device 'i915'...failed
trying to open device 'radeon'...failed
trying to open device 'nouveau'...failed
trying to open device 'vmwgfx'...failed
trying to open device 'omapdrm'...done
Encoders:
id      crtc    type    possible crtcs  possible clones
30      34      TMDS    0x00000001      0x00000000
35      41      TMDS    0x00000002      0x00000000

Connectors:
id      encoder status          name            size (mm)       modes   encoders
31      30      connected       (null)-1        0x0             1       30
  modes:
        name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot)
  800x480 60 800 1010 1040 1056 480 502 515 525 flags: nhsync, nvsync; type: preferred, driver
  props:
        1 EDID:
                flags: immutable blob
                blobs:

                value:
        2 DPMS:
                flags: enum
                enums: On=0 Standby=1 Suspend=2 Off=3
                value: 0
36      35      connected       HDMI-A-1        700x390         31      35
  modes:
        name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot)
  1280x720 60 1280 1390 1430 1650 720 725 730 750 flags: phsync, pvsync; type: preferred, driver
  1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 flags: phsync, pvsync; type: driver
  1920x1080 60 1920 2008 2052 2200 1080 1084 1089 1125 flags: phsync, pvsync; type: driver
  1920x1080i 60 1920 2008 2052 2200 1080 1084 1094 1125 flags: phsync, pvsync, interlace; type: driver
  1920x1080i 60 1920 2008 2052 2200 1080 1084 1094 1125 flags: phsync, pvsync, interlace; type: driver
  1920x1080 50 1920 2448 2492 2640 1080 1084 1089 1125 flags: phsync, pvsync; type: driver
  1920x1080i 50 1920 2448 2492 2640 1080 1084 1094 1125 flags: phsync, pvsync, interlace; type: driver
  1280x1024 75 1280 1296 1440 1688 1024 1025 1028 1066 flags: phsync, pvsync; type: driver
  1440x900 85 1440 1544 1696 1952 900 903 909 948 flags: nhsync, pvsync; type: driver
  1440x900 75 1440 1536 1688 1936 900 903 909 942 flags: nhsync, pvsync; type: driver
  1440x900 60 1440 1488 1520 1600 900 903 909 926 flags: phsync, nvsync; type: driver
  1280x720 60 1280 1390 1430 1650 720 725 730 750 flags: phsync, pvsync; type: driver
  1280x720 50 1280 1720 1760 1980 720 725 730 750 flags: phsync, pvsync; type: driver
  1024x768 75 1024 1040 1136 1312 768 769 772 800 flags: phsync, pvsync; type: driver
  1024x768 70 1024 1048 1184 1328 768 771 777 806 flags: nhsync, nvsync; type: driver
  1024x768 60 1024 1048 1184 1344 768 771 777 806 flags: nhsync, nvsync; type: driver
  800x600 75 800 816 896 1056 600 601 604 625 flags: phsync, pvsync; type: driver
  800x600 72 800 856 976 1040 600 637 643 666 flags: phsync, pvsync; type: driver
  800x600 60 800 840 968 1056 600 601 605 628 flags: phsync, pvsync; type: driver
  800x600 56 800 824 896 1024 600 601 603 625 flags: phsync, pvsync; type: driver
  720x576 50 720 732 796 864 576 581 586 625 flags: nhsync, nvsync; type: driver
  720x576i 50 720 732 795 864 576 580 586 625 flags: nhsync, nvsync, interlace, dblclk; type: driver
  720x480 60 720 736 798 858 480 489 495 525 flags: nhsync, nvsync; type: driver
  720x480 60 720 736 798 858 480 489 495 525 flags: nhsync, nvsync; type: driver
  720x480i 60 720 739 801 858 480 488 494 525 flags: nhsync, nvsync, interlace, dblclk; type: driver
  720x480i 60 720 739 801 858 480 488 494 525 flags: nhsync, nvsync, interlace, dblclk; type: driver
  640x480 75 640 656 720 840 480 481 484 500 flags: nhsync, nvsync; type: driver
  640x480 73 640 664 704 832 480 489 492 520 flags: nhsync, nvsync; type: driver
  640x480 60 640 656 752 800 480 490 492 525 flags: nhsync, nvsync; type: driver
  640x480 60 640 656 752 800 480 490 492 525 flags: nhsync, nvsync; type: driver
  720x400 70 720 738 846 900 400 412 414 449 flags: nhsync, pvsync; type: driver
  props:
        1 EDID:
                flags: immutable blob
                blobs:

                value:
                        00ffffffffffff003190544c01000000
                        01140103814627788aa58ea6544a9c26
                        124546afcf009500950f951901010101
                        010101010101011d007251d01e206e28
                        5500b9882100001e8c0ad08a20e02d10
                        103e9600b98821000018000000fd0032
                        4b183c0b000a202020202020000000fc
                        0033325633482d4836410a2020200145
                        020321714e0607020315961112130414
                        051f90230907078301000065030c0010
                        008c0ad090204031200c405500b98821
                        000018011d8018711c1620582c2500b9
                        882100009e011d80d0721c1620102c25
                        80b9882100009e011d00bc52d01e20b8
                        285540b9882100001e023a80d072382d
                        40102c4580b9882100001e00000000d0
        2 DPMS:
                flags: enum
                enums: On=0 Standby=1 Suspend=2 Off=3
                value: 0

CRTCs:
id      fb      pos     size
34      78      (0,0)   (800x480)
  800x480 60 800 1010 1040 1056 480 502 515 525 flags: nhsync, nvsync; type: preferred, driver
  props:
        20 CTM:
                flags: blob
                blobs:

                value:
        21 GAMMA_LUT:
                flags: blob
                blobs:

                value:
        22 GAMMA_LUT_SIZE:
                flags: immutable range
                values: 0 4294967295
                value: 256
        26 background:
                flags: range
                values: 0 16777215
                value: 0
        27 trans-key-mode:
                flags: enum
                enums: disable=0 gfx-dst=1 vid-src=2
                value: 0
        28 trans-key:
                flags: range
                values: 0 16777215
                value: 0
        29 alpha_blender:
                flags: range
                values: 0 1
                value: 0
        33 rotation:
                flags: bitmask
                values: rotate-0=0x1 rotate-90=0x2 rotate-180=0x4 rotate-270=0x8 reflect-x=0x10 reflect-y=0x20
                value: 1
        23 zorder:
                flags: range
                values: 0 3
                value: 0
41      53      (0,0)   (1280x720)
  1280x720 60 1280 1390 1430 1650 720 725 730 750 flags: phsync, pvsync; type: preferred, driver
  props:
        20 CTM:
                flags: blob
                blobs:

                value:
        21 GAMMA_LUT:
                flags: blob
                blobs:

                value:
        22 GAMMA_LUT_SIZE:
                flags: immutable range
                values: 0 4294967295
                value: 256
        26 background:
                flags: range
                values: 0 16777215
                value: 0
        27 trans-key-mode:
                flags: enum
                enums: disable=0 gfx-dst=1 vid-src=2
                value: 0
        28 trans-key:
                flags: range
                values: 0 16777215
                value: 0
        29 alpha_blender:
                flags: range
                values: 0 1
                value: 0
        38 rotation:
                flags: bitmask
                values: rotate-0=0x1 rotate-90=0x2 rotate-180=0x4 rotate-270=0x8 reflect-x=0x10 reflect-y=0x20
                value: 1
        23 zorder:
                flags: range
                values: 0 3
                value: 0

Planes:
id      crtc    fb      CRTC x,y        x,y     gamma size      possible crtcs
32      34      78      0,0             0,0     0               0x00000003
  formats: RX12 AR12 RG16 XR24 RG24 AR24 RA24 RX24 AR15 XR12 RA12 XR15
  props:
        5 type:
                flags: immutable enum
                enums: Overlay=0 Primary=1 Cursor=2
                value: 1
        33 rotation:
                flags: bitmask
                values: rotate-0=0x1 rotate-90=0x2 rotate-180=0x4 rotate-270=0x8 reflect-x=0x10 reflect-y=0x20
                value: 1
        23 zorder:
                flags: range
                values: 0 3
                value: 0
        24 global_alpha:
                flags: range
                values: 0 255
                value: 255
        25 pre_mult_alpha:
                flags: range
                values: 0 1
                value: 0
37      41      53      0,0             0,0     0               0x00000003
  formats: RG16 RX12 YUYV AR15 RA24 NV12 RA12 XR24 RG24 UYVY AR12 XR15 AR24 XR12 RX24
  props:
        5 type:
                flags: immutable enum
                enums: Overlay=0 Primary=1 Cursor=2
                value: 1
        38 rotation:
                flags: bitmask
                values: rotate-0=0x1 rotate-90=0x2 rotate-180=0x4 rotate-270=0x8 reflect-x=0x10 reflect-y=0x20
                value: 1
        23 zorder:
                flags: range
                values: 0 3
                value: 0
        24 global_alpha:
                flags: range
                values: 0 255
                value: 255
        25 pre_mult_alpha:
                flags: range
                values: 0 1
                value: 0
42      0       0       0,0             0,0     0               0x00000003

So,what should be issue?

Thanks in advance.