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DS90UB948-Q1: Pattern mode with different resolation

Part Number: DS90UB948-Q1

Hello  TI Experts,

I am now using DS90UB948 with 1920x1200 display and everything works well~

When I change to 1400*1600 display, the test pattern mode doesn't work well,their is no output~

When I  write DS90UB948's register by transparent transmission of DS90UB947, test pattern  mode works well~

Can you give me any advice?Thank you very much~

The register is as attachments~

20180710_182807_indirect.txt
00: 80
01: 80
02: XX
03: 04
04: 34
05: c8
06: 4b
07: 80
08: 07
09: 4b
0a: XX
0b: 02
0c: 14
0d: XX
0e: 03
0f: 1e
10: 0e
11: 21
12: 43
13: 65
14: 87
15: a9
16: cb
17: ed
18: 0f
19: 01
1a: 00
1b: 00
1c: 23
1d: 19
1e: 00
1f: 00
20: 00
21: 00
22: 00
23: 20
24: 08
25: 00
26: 83
27: 84
28: 20
29: 00
2a: 00
2b: 00
2c: 00
2d: 00
2e: 00
2f: 00
30: 00
31: 00
32: 90
33: 25
34: 01
35: 00
36: 00
37: 88
38: 00
39: 02
3a: 00
3b: 04
3c: 20
3d: e0
3e: 23
3f: 00
40: 43
41: 03
42: 03
43: 00
44: 60
45: 88
46: 00
47: 00
48: 0f
49: 00
4a: 00
4b: 08
4c: 00
4d: 00
4e: 63
4f: 00
50: 03
51: 10
52: 00
53: 01
54: 80
55: 00
56: 00
57: 00
58: 00
59: 7f
5a: 20
5b: 20
5c: 00
5d: 00
5e: 00
5f: 00
60: 00
61: 00
62: 00
63: 00
64: 51
65: 04
66: 18
67: 0f
20180925_184634_indirect.txt
00: 80
01: 80
02: 80
03: 04
04: 08
05: 86
06: 66
07: 78
08: 05
09: 64
0a: 0c
0b: 03
0c: 14
0d: 15
0e: 00
0f: 1e
10: 0e
11: 21
12: 43
13: 65
14: 87
15: a9
16: cb
17: ed
18: 0f
19: 01
1a: 00
1b: 00
1c: 33
1d: 1d
1e: 0b
1f: 00
20: 00
21: 00
22: 00
23: 20
24: 08
25: 00
26: e0
27: e0
28: 11
29: 00
2a: 00
2b: 00
2c: 00
2d: 00
2e: 00
2f: 00
30: 00
31: 00
32: 90
33: 25
34: 09
35: 00
36: 00
37: 88
38: 00
39: 02
3a: 00
3b: 05
3c: 20
3d: e0
3e: 23
3f: 00
40: 43
41: 03
42: 03
43: 00
44: 60
45: 88
46: 00
47: 00
48: 0f
49: 00
4a: 00
4b: 08
4c: 00
4d: 00
4e: 63
4f: 00
50: 03
51: 10
52: 00
53: 01
54: 80
55: 00
56: 00
57: 00
58: 00
59: 7f
5a: 20
5b: 20
5c: 00
5d: 00
5e: 00
5f: 00
60: 00
61: 00
62: 00
63: 00
64: 01
65: 0c
66: 18
67: 0f