Hello All,
I am trying to connect a Full HD display to J7-evm, i am using image built with "ti-processor-sdk-linux-automotive-j7-evm-06_00_01_00" bsp and i get following errors message while booting .
[ 15.557518] [drm] Initialized tidss 1.0.0 20180215 for 4a00000.dss on minor 0
[ 15.637636] tidss 4a00000.dss: DP-1: EDID is invalid:
[ 15.642833] [00] BAD 26 1c 01 03 80 37 1f 78 ee ee 95 a3 54 4c 99 26
[ 15.653488] [00] BAD 0f 50 54 a5 4b 00 71 4f a9 40 81 80 d1 c0 01 01
[ 15.665105] [00] BAD 01 01 01 01 01 01 56 5e 00 a0 a0 a0 29 50 30 20
[ 15.675360] [00] BAD 35 00 29 37 21 00 00 1a 00 00 00 ff 00 33 43 34
[ 15.685630] [00] BAD 59 50 38 39 4c 37 39 33 4c 0a 00 00 00 fc 00 44
[ 15.696110] [00] BAD 45 4c 4c 20 55 32 35 31 38 44 0a 20 00 00 00 fd
[ 15.706155] [00] BAD 00 38 4c 1e 5a 19 00 0a 20 20 20 20 20 20 01 0f
[ 15.716634] [00] BAD 02 03 24 f1 4f 90 05 04 03 02 07 16 01 06 11 12
[ 15.731525] cdns-mhdp a000000.dp-bridge: [drm:cdns_mhdp_get_modes [mhdp8546]] *ERROR* Failed to read EDID
and the display works only with the resolution "1024x768"
How can i get the display to work with 1920X1080 resolution.
output of kmstest command:
root@j7-evm:~# kmstest
[ 257.270291] cdns-mhdp a000000.dp-bridge: [drm:cdns_mhdp_get_modes [mhdp8546]] *ERROR* Failed to read EDID
Connector 0/@35: DP-1
Crtc 0/@33: 1024x768 65.000 1024/24/136/160/- 768/3/6/29/- 60 (60.00) 0xa 0x40
Plane 0/@28: 0,0-1024x768
Fb 59 1024x768-XR24
press enter to exit
Regards
Vinay
