[meta-freescale] imx6q: two hardware accelerated displays?
prabhusundar at gmail.com
Mon Jun 23 06:27:40 PDT 2014
export FB_FRAMEBUFFER_0=0 for fb0
export FB_FRAMEBUFFER_0=1 for fb1
On Mon, Jun 23, 2014 at 6:55 AM, Prasant J <pj0585 at gmail.com> wrote:
> I'm working on a custom hardware (using iMX6q) design based on
> imx6qsabresd. I'm running 3.10.17_1.0.0_ga release "framebuffer"
> I have two displays connected: HDMI + LVDS.
> Using raw framebuffer access I can display static images on both the
> e.g. cat file1.raw > /dev/fb0 ; cat file2.raw > /dev/fb2
> displays images on both screens.
> My application is built using JavaFX that uses Opengl libraries.
> JavaFX reports only 1 display (primary one, i.e. the one configured as
> I have tried setting the "FB_MULTI_BUFFER & FB_FRAMEBUFER_n
> environment variables but still I can access only 1 display from
> I believe that the current graphic libraries do not support multiple
> displays but I'm not sure.
> Can anyone give more information or share similar experience. May be
> I'm missing some configuration?
> Any inputs will be of help.
> - Prasant
> meta-freescale mailing list
> meta-freescale at yoctoproject.org
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