On Sun, Dec 29, 2013 at 1:14 PM, Robert Nelson <robertcnelson@xxxxxxxxx> wrote: > On Sun, Dec 29, 2013 at 12:10 PM, Steve Underwood <steveu@xxxxxxxxxxx> wrote: >> Hi, >> >> It looks like the BeagleBone Black is still running at 550MHz with the >> latest Fedora 20. Does anyone know what is holding it back from running at >> 1GHz? Is the a uboot thing, or a kernel thing, or something else? I saw a >> version of uboot referred to as making the BBB run at 1GHz, but when I tried >> experimenting with that I got the same 550MHz clock speed. > > with v3.12.x: > These 5 patches are needed: > https://github.com/RobertCNelson/linux-dev/tree/am33x-v3.12/patches/cpufreq > > or with v3.13-rcX: > https://github.com/RobertCNelson/linux-dev/blob/am33x-v3.13/patches/dts/0002-arm-dts-am335x-boneblack-add-cpu0-opp-points.patch ps, while your at it, also add: https://github.com/RobertCNelson/linux-dev/blob/am33x-v3.13/patches/dts/0001-arm-dts-am335x-boneblack-lcdc-add-panel-info.patch to get the full kms experience over hdmi with the CONFIG_DRM_TILCDC/CONFIG_DRM_I2C_NXP_TDA998X Since they are both dts patches, you don't even have to rebuild the kernel, just patch the dtb file.. Regards, -- Robert Nelson http://www.rcn-ee.com/ _______________________________________________ arm mailing list arm@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/arm