On Tue, Nov 4, 2014 at 10:48 PM, 陈华才 <chenhc@xxxxxxxxxx> wrote: > Hi, > > 1, mainstream kernel has only basic Loongson-3 support, not full-functional, something has missing. > 2, Unfortunately, no VESA driver on Loongson... AHhhhh, then what to do if to work with other graphic cards? > > Huacai > > ------------------ Original ------------------ > From: "YunQiang Su"<wzssyqa@xxxxxxxxx>; > Date: Tue, Nov 4, 2014 10:36 PM > To: "陈华才"<chenhc@xxxxxxxxxx>; > Cc: "linux-mips"<linux-mips@xxxxxxxxxxxxxx>; "Aurelien Jarno"<aurelien@xxxxxxxxxxx>; > Subject: Re: Problems of kernel of Loongson 3 > > > On Tue, Nov 4, 2014 at 10:24 PM, 陈华才 <chenhc@xxxxxxxxxx> wrote: >> Hi, >> >> 1, You can try 3.16 from master branch here: >> http://dev.lemote.com/cgit/linux-official.git/ > > OK, I will try it. Even though, we still need a patch to make it can > use on Lemote machiens. > >> >> 2, Since 3.14, radeon cannot support non-firmware display. This is confirmed by drm maintainers. > > How can x86 machines display something when firmwares are missing? > Use something like vesa when firmwares are lost? > >> >> Huacai >> >> ------------------ Original ------------------ >> From: "YunQiang Su"<wzssyqa@xxxxxxxxx>; >> Date: Tue, Nov 4, 2014 09:40 PM >> To: "陈华才"<chenhc@xxxxxxxxxx>; >> Cc: "linux-mips"<linux-mips@xxxxxxxxxxxxxx>; "Aurelien Jarno"<aurelien@xxxxxxxxxxx>; >> Subject: Problems of kernel of Loongson 3 >> >> >> I have tested the kernel 3.16, and 3.17 of Debian on loongson 3. >> I met 2 major problems: >> >> 1. On the Lemote 6100 and Yeeloong 8133, load command hangs >> >> PMON> load (wd0,0)/vmlinux-3.16-3-loongson-3 >> Loading file: (wd0,0)/vmlinux-3.16-3-loongson-3 >> (elf64) >> 0x80200000/9171584 + 0x80abf280/34201152(z) >> >> It also hangs on the dev board from Lemote. >> While it can boot on dev boards from Loongson. >> >> 3.15 kernel works fine on both boards. >> >> 2. If without radeon non-free firmware in initrd/vmlinux, >> the screen can display nothing. >> It makes us difficult to patch debian-install to support Loongson 3. >> A automatic fallback may be needed when nonfree firmware is not available. >> >> -- >> YunQiang Su > > > > -- > YunQiang Su -- YunQiang Su
