Hi Eric, On 09/01/2014 15:52, Eric Nelson wrote: > Hi Stefano, > > On 01/09/2014 03:44 AM, Stefano Babic wrote: >> Hi Christian, >> >> On 09/01/2014 08:12, Christian Gmeiner wrote: >> >>>> Agree that we have to sync u-boot and kernel, and this can be a way in >>>> the short term. >>>> >>>> I am asking if this is in the long term the best way to do it. You are >>>> converting EDID values to fb_videomode *mode, and then again to the >>>> device node as required by DT. >>>> We have already had some talks about moving U-Boot configuration to DT, >>>> that is U-Boot can be also configured by a DT file (see for example >>>> support for Nvidia processors, they already support DT in U-Boot). >>>> >>> >>> The problem for me here is that DT only does not work in my case. As >>> it is >>> possible to attach different panels/displays via lvds (different >>> timings and resolutions) >>> we have put an at24 on our print, which contains the suitable EDID data. >>> >>> So I need to readout the at24 every boot and need to manipulate the >>> loaded (emmc) DT. >> >> Understood, thanks for clarification. Agree that we need functions for >> EDID manipulation. My only concern remains if we need a temporary >> conversion to videomode as in this patch, or we go towards a >> edid-to-fdt() function. >> > > I'd really like to keep Christian's patch and use it to remove > the hard-coded resolutions as shown in SabreSD and Nitrogen6X boards: > > > http://git.denx.de/?p=u-boot.git;a=blob;f=board/freescale/mx6sabresd/mx6sabresd.c;h=9dbe605cf4a5a8ba16c674f14b894ccb59bece9f;hb=HEAD#l266 > > > http://git.denx.de/?p=u-boot.git;a=blob;f=board/boundary/nitrogen6x/nitrogen6x.c;h=53cb8dffd0d534629a4de5c7b9798733015adb6e;hb=HEAD#l520 >
ok - I see also that Christian's patch fills the gap with the display setup in fdt. Regards, Stefano -- ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sba...@denx.de ===================================================================== _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
