---> U-Boot has CONFIG_I2C_EDID to build a module to parse EDID information. >This is not enabled by khadas-edge-v-rk3399_defconfig. I would assume >this is part of the problem.
>scripts/get_maintainer.pl configs/khadas-edge-v-rk3399_defconfig and >scripts/get_maintainer.pl common/edid Hello. Since u-boot should be installed on FreeBSD,can you point me where I can get the khadas-edge-v-rk3399_defconfig file and the u-boot code that should be recompiled ? On Tue, Aug 19, 2025 at 6:23 PM Heinrich Schuchardt <xypron.g...@gmx.de> wrote: > On 19.08.25 17:54, Mario Marietto wrote: > > Hello. > > > > I've installed FreeBSD 14.2-RELEASE on both my boards (RockPro64 and > Khadas > > Edge V),both based on the Rockchip RK3399 and I've used a display that > has > > a resolution of 720 x 720 resolution and I saw that the screen remains > > almost black (almost because I see a dim illumination coming from the > > display) . > > > > I don't even see the u-boot logo. Instead,it is able to turn on my large > > HDMI monitor,which has a resolution of 1920x1080 pixels. > > > > Since I'm building a FreeBSD modular phone, I want to use a small HDMI > > display with a low resolution. My question is : why is u-boot able to > turn > > on a monitor that has a resolution of 1920x1080 and it's not able to turn > > on the other HDMI display that has a resolution of 720x720 ? > > > > Or even better : what's the lowest resolution that will work ? > > > > If I want to buy a display that has a resolution of 800x600,will u-boot > be > > able to turn it on ? 1024x768 ? more ? > > > > Thanks. > > > > Hello Mario, > > The way operating systems detect monitor resolution is by reading the > EDID information via the I2C lines of the HDMI connector. > > U-Boot has CONFIG_I2C_EDID to build a module to parse EDID information. > This is not enabled by khadas-edge-v-rk3399_defconfig. I would assume > this is part of the problem. > > scripts/get_maintainer.pl configs/khadas-edge-v-rk3399_defconfig and > scripts/get_maintainer.pl common/edid > will provide the people and the U-Boot list that you could contact for > support. > > There is also a #u-boot IRC channel at irc.libera.chat. > > Best regards > > Heinrich > -- Mario. _______________________________________________ boot-architecture mailing list -- boot-architecture@lists.linaro.org To unsubscribe send an email to boot-architecture-le...@lists.linaro.org
