On Thu, 11 May 2017 15:40:12 +0000 Hee-cheol Yang <heecheol.y...@outlook.com> said:
> Hello, > First of all, I am very sorry for my sound-stupid question. > This quest may be out out the scope of this mailing list. > If so, please ignore this mail. > > > I am trying to port tizen 3.0-common on Beaglebone Black board, which is > based on TI’s AM335x SoC. And currently, I booted the latest Tizen3.0-common > rootfs > (http://download.tizen.org/snapshots/tizen/3.0-common/latest/images/arm-wayland/common-wayland-3parts-armv7l-artik/ > ) on the modified Beaglebone’s Linux kernel, which is configured to support > SMACK. As you may expected, it is not working correctly, so I am trying to > solve the problems step by step. > > My first goal is to display something in the Monitor via HDMI interfance > (Beaglebone black board’s default display is the HDMI monitor). And it seems > that the HDMI itself seems to working because: > > 1. /dev/fb0 is exposed. > 2. Something is displayed when I run “dd if=/dev/urandom of=/dev/fb0” > > However, even the /dev/fb0 seems to be working, Any Tizen-relased graphics > are not displayed the monitor, and after spending several days of searching, > I found that TDM and TBM are need to be ported for the SOC. In this case, > AM335x SOC. > > But As I understand, using libtdm-drm and libdbm-dummy is sufficient to show > basic display components without porting any device-specific interfaces for > libtdx’s interface between front and backends. Also, when I used libtdm-drm > and libdbm-dummy, it seems that something recognizable graphics are suddenly > displayed in the HDMi monitor. > > So I wonder that is is not sufficient to use these two components. If not, am > I doing correctly to display somrting in the monitor? I mean, is is true that > when I correctly port the libtbm and libtbm for AM335x like exynos, the > Tizen’s graphic stack is sufficiently ported? you'll also need a working opengl-es stack for the gpu you have too that lives on tbm/tdm. last i knew the TI's used sgx gpu's and you'll have to contact TI for help with this (appropriate source code to port at least the ddx layer in egl - the bits where you glue in tdm/tbm/display system e.g. wayland for tizen 3.x and on). > I would be very appreciate if something give me any recommendations. > > Best regards. > > Heecheol, Yang. > -- Carsten Haitzler (The Rasterman) <ti...@rasterman.com> _______________________________________________ Dev mailing list Dev@lists.tizen.org https://lists.tizen.org/listinfo/dev
