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SN65DSI84: No output screen

Part Number: SN65DSI84

Hi Team,

If I want to configure sn65dsi84 as test pattern mode, I only need to set reg 0x3C bit 4 = 1 and CSR (0x18) bit 4 = 1?
My registers configure is as attached

sn65dsi84_test_pattern Read sn65dsi84 reg(0x0D) = 0x0

sn65dsi84_test_pattern Write sn65dsi84 reg(0x0D) = 0x1

sn65dsi84_test_pattern Write sn65dsi84 reg(0x09) = 0x1

sn65dsi84_test_pattern Write sn65dsi84 reg(0x10) = 0x26

sn65dsi84_test_pattern Read sn65dsi84 reg(0x10) = 0x26

sn65dsi84_test_pattern Write sn65dsi84 reg(0x0A) = 0x5

sn65dsi84_test_pattern Write sn65dsi84 reg(0x0B) = 0x10

sn65dsi84_test_pattern Write sn65dsi84 reg(0x0D) = 0x0

sn65dsi84_test_pattern Write sn65dsi84 reg(0x11) = 0x0

sn65dsi84_test_pattern Write sn65dsi84 reg(0x12) = 0x2c

sn65dsi84_test_pattern Write sn65dsi84 reg(0x18) = 0x1c

sn65dsi84_test_pattern Write sn65dsi84 reg(0x19) = 0x0

sn65dsi84_test_pattern Write sn65dsi84 reg(0x1A) = 0x3

sn65dsi84_test_pattern Write sn65dsi84 reg(0x1B) = 0x0

sn65dsi84_test_pattern Write sn65dsi84 reg(0x20) = 0x0

sn65dsi84_test_pattern Write sn65dsi84 reg(0x21) = 0x5

sn65dsi84_test_pattern Write sn65dsi84 reg(0x24) = 0x20

sn65dsi84_test_pattern Write sn65dsi84 reg(0x25) = 0x3

sn65dsi84_test_pattern Write sn65dsi84 reg(0x28) = 0x21

sn65dsi84_test_pattern Write sn65dsi84 reg(0x29) = 0x0

sn65dsi84_test_pattern Write sn65dsi84 reg(0x2C) = 0x28

sn65dsi84_test_pattern Write sn65dsi84 reg(0x2D) = 0x0

sn65dsi84_test_pattern Write sn65dsi84 reg(0x30) = 0xb

sn65dsi84_test_pattern Write sn65dsi84 reg(0x31) = 0x0

sn65dsi84_test_pattern Write sn65dsi84 reg(0x34) = 0x3c

sn65dsi84_test_pattern Write sn65dsi84 reg(0x36) = 0x6

sn65dsi84_test_pattern Write sn65dsi84 reg(0x38) = 0x5a

sn65dsi84_test_pattern Write sn65dsi84 reg(0x3A) = 0x10

sn65dsi84_test_pattern Write sn65dsi84 reg(0x3c) = 0x10

sn65dsi84_test_pattern Read sn65dsi84 reg(0x3c) = 0x10