Mt2712 Display Debug Method

• DPI test pattern

Use the following command, from DPI Output test pattern, Apply to LVDS Show path :

DPI0 pattern, test pattern color bar:
    echo regw:0x1401DF00=0x41 > /sys/kernel/debug/mtkdrm
disable test pattern:
    echo regw:0x1401DF00=0x00 > /sys/kernel/debug/mtkdrm

DPI1 pattern
    echo regw:0x14024F00=0x41 > /sys/kernel/debug/mtkdrm
disable test pattern:
    echo regw:0x14024F00=0x00 > /sys/kernel/debug/mtkdrm

•  DSI test pattern：

Use the following command, from DSI Output test pattern, Apply to mipi-dsi Show path :

DSI0：
 Set up colorbar:
    echo regw:0x1401B178=0x00ff00 >/sys/kernel/debug/mtkdrm
 Can make test：
    echo regw:0x1401B17C=0x40 >/sys/kernel/debug/mtkdrm

DSI1：
 Set up colorbar:
    echo regw:0x14035178=0x00ff00 >/sys/kernel/debug/mtkdrm
 Can make test：
    echo regw:0x1403517C=0x40 >/sys/kernel/debug/mtkdrm

• color0 debug mode config

color0: test pattern:
    
enable test pattern:
    echo regw:0x14013420=0x1240701 > /sys/kernel/debug/mtkdrm 
disable test pattern,  Four color color bar:
    echo regw:0x14013420=0x1240700 > /sys/kernel/debug/mtkdrm

 ub941 test pattern:

i2cset -f -y 0 0x1a 0x64 0x31 

  ub948 test pattern:

i2cset -f -y 0 0x2c 0x64 0x31