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display problem with psplash

ranchu
Guru 20755 points

Hello,

I validated display is correct with bar generator

./mem_rdwr.out --wr 0x4810a000 0x4583b011

which shows bar color on the display.

But on trying to display using psplash on the sceen I see nothing on screen (black screen).

There is no error when starting psplash application.

What can be wrong ? I also tried to start a qt application  (/demo/mainwindow -qws), but the screen is black

Best Regards,

Ran

  • 0
    TI__Guru* 80190 points
    Hello,

    What is the software release that you are using here?

    In EZSDK to run the qt application the Matrix GUI should be stopped.

    You could try:
    # cd /usr/bin/qtopia/examples/richtext/calendar
    # ./calendar -qws -geometry 320x200+50+20
    This showing calendar on the display.

    About psplash you could also check these topics:

    e2e.ti.com/.../98365
    e2e.ti.com/.../1015355


    BR
    Margarita
  • 0 in reply to Margarita Gashova
    Guru 20755 points

    Hi Margarita,

    Thank you,
    I am using dvrrdk.................

    Anyhow,
    the display show the color bar, but using psplash shows nothing.
    Do I need to configure something with fbset ?
    The timing I see is different than then one I configured:
    echo 65000,1024/24/160/136,768/3/29/6,1 > /sys/devices/platform/vpss/display0/timings
    echo 65000,1024/24/160/136,768/3/29/6,1 > /sys/devices/platform/vpss/display1/timings
    That's strange becuase without the above configuration even the color bar will not be show correctly so it seems that
    it acts upon that setting, so I wander why also fbset has its own timing configuration (which is different) as following:

    root@dm814x:/opt/dvr_rdk/ti814x/bin# fbset -fb /dev/fb0

    mode "1920x273-212"
    # D: 148.500 MHz, H: 67.500 kHz, V: 212.264 Hz
    geometry 1920 273 1920 273 32
    timings 6734 148 88 36 4 44 5
    rgba 8/16,8/8,8/0,8/24
    endmode


    Regards,
    Ran