Date: Tue, 12 May 2015 19:45:31 +0000 From: Ulrich Grey <usenet@ulrich-grey.de> To: Luiz Otavio O Souza <lists.br@gmail.com> Cc: Adrian Chadd <adrian@freebsd.org>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: Xorg on a RaspberryPI Message-ID: <20150512194531.ae4912e86788ebedd47be3c4@ulrich-grey.de> In-Reply-To: <CAB=2f8yWho6WL7Ltqf0j1ynzbprLK5gZUQTv-VW-Fm8mMm0Cgg@mail.gmail.com> References: <20150510112444.9e12a9739c7e2b91e5fc2ea4@ulrich-grey.de> <CAJ-VmomStkjpX%2BocD5vin6TQ9JyvFMVO7HBnzy6xUSh-OFPeLg@mail.gmail.com> <20150510190300.05772f5ceaaf047d47f32b75@ulrich-grey.de> <CAB=2f8yWho6WL7Ltqf0j1ynzbprLK5gZUQTv-VW-Fm8mMm0Cgg@mail.gmail.com>
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On Tue, 12 May 2015 15:09:39 -0300 Luiz Otavio O Souza <lists.br@gmail.com> wrote: > On 10 May 2015 at 16:03, Ulrich Grey wrote: > > On Sun, 10 May 2015 08:19:51 -0700 > > Adrian Chadd <adrian@freebsd.org> wrote: > > > >> hm, there's something odd with 32 bit colours in the fb driver. The > >> red and blue are swapped. That may be your problem. > >> > >> Can you try booting / running it on 24 bit colour instead? > > > > I have tried it with Depth 16, 24 and 32 in /etc/xorg.conf and /boot/msdos/config.txt. > > The colors are still strange. > > > > Section "Device" > > Identifier "Generic FB" > > Driver "scfb" > > EndSection > > > > Section "Screen" > > Identifier "Screen" > > Device "Generic FB" > > Monitor "Monitor" > > SubSection "Display" > > Depth 16 #24 #32 > > EndSubsection > > EndSection > > > > config.txt: > > framebuffer_depth=16 > > disable_commandline_tags=1 > > gpu_mem=64 > > device_tree=rpi.dtb > > device_tree_address=0x100 > > kernel=uboot.img > > I 'think' that the 16bpp mode will work for you, but the above setting > is being overwritten by default fb settings in FreeBSD. > > Could you post your fb details (from dmesg), it should look like this: Here are the details: fb0: 1440x900(1440x900@0,0) 24bpp fb0: fbswap: 0, pitch 4320, base 0x1c288000, screen_size 3939840 > Are you using the standard firmware (from official images or from u-boot-rpi) ? The image was built with crochet. It uses u-boot-rpi. I can not find a man page for fb/fbd. > The recent firmware versions uses a different color mapping (the > fbswap flag). In this case I think you could tell xorg to use the > appropriate color mapping (but I don't know how to do that), look if > you can find where you should specify the RGB or BGR mode. The 16bpp > mode isn't affected by this change. > > Luiz
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