From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: Radeon problems From: Benjamin Herrenschmidt To: Giuliano Pochini Cc: linuxppc-dev@lists.linuxppc.org In-Reply-To: <20030722212344.11c895f1.pochini@shiny.it> References: <20030722212344.11c895f1.pochini@shiny.it> Content-Type: text/plain Message-Id: <1058909248.535.0.camel@gaston> Mime-Version: 1.0 Date: 22 Jul 2003 23:27:29 +0200 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On Tue, 2003-07-22 at 23:23, Giuliano Pochini wrote: > >> Problem #1: Radeonfb sets a video mode that isn't supported by my LCD > >> monitor. I have to blindly type "/usr/sbin/fbset -a 1280x1024-60 -depth 16" > >> at the root console every time (*if* it boots, because I make the box > >> crash quite often :( ). Is there a boot option to set the right video mode ? > > > > Can you send me a dmesg dump (with the wrong video mode) and > > a dump of /proc/device-tree/pci@f0000000 ? > > Yes, these are the relevant lines: > > ---- > Kernel command line: ro video=radeonfb:1024x768-8@75 > Console: colour dummy device 80x25 > radeonfb: ref_clk=2700, ref_div=12, xclk=24975 from OF > Console: switching to colour frame buffer device 80x30 > radeonfb: ATI Radeon 9000 If DDR SGRAM 64 MB > radeonfb: DVI port no monitor connected > radeonfb: CRT port CRT monitor connected > ---- > > Hmm, I just noticed that it believes I connected a CRT monitor. It's wrong, > I have an non-Apple LCD display connected to the DVI port. 80x30 means the > resolution is still 640x480. Tried booting with video=radeon:dfp to force flat panel detection ? > This a dir of /proc/device-tree/pci@f0000000, but I don't see how can it be > useful. Is there a tool to extract more info ? Just tarball that dir, it contains some useful stuffs, beleive me :) > [Giu@Jay pci@f0000000]$ dir > total 0 > dr-xr-xr-x 4 root root 0 lug 22 21:09 . > dr-xr-xr-x 21 root root 0 lug 22 21:09 .. > lrwxrwxrwx 1 root root 20 lug 22 21:13 @10 -> ATY,PheonixParent@10 > -r--r--r-- 1 root root 4 lug 22 21:13 #address-cells > lrwxrwxrwx 1 root root 20 lug 22 21:13 ATY,PheonixParent -> ATY,PheonixParent@10 > dr-xr-xr-x 4 root root 0 lug 22 21:13 ATY,PheonixParent@10 > lrwxrwxrwx 1 root root 15 lug 22 21:13 @b -> uni-north-agp@b > -r--r--r-- 1 root root 10 lug 22 21:13 built-in-names > -r--r--r-- 1 root root 8 lug 22 21:13 bus-range > -r--r--r-- 1 root root 4 lug 22 21:13 clock-frequency > -r--r--r-- 1 root root 10 lug 22 21:13 compatible > -r--r--r-- 1 root root 4 lug 22 21:13 device_type > -r--r--r-- 1 root root 4 lug 22 21:13 #interrupt-cells > -r--r--r-- 1 root root 28 lug 22 21:13 interrupt-map > -r--r--r-- 1 root root 16 lug 22 21:13 interrupt-map-mask > -r--r--r-- 1 root root 4 lug 22 21:13 interrupt-parent > -r--r--r-- 1 root root 8 lug 22 21:13 interrupts > -r--r--r-- 1 root root 4 lug 22 21:13 linux,phandle > -r--r--r-- 1 root root 14 lug 22 21:13 model > -r--r--r-- 1 root root 4 lug 22 21:13 name > -r--r--r-- 1 root root 72 lug 22 21:13 ranges > -r--r--r-- 1 root root 8 lug 22 21:13 reg > -r--r--r-- 1 root root 4 lug 22 21:13 #size-cells > -r--r--r-- 1 root root 11 lug 22 21:13 slot-names > lrwxrwxrwx 1 root root 15 lug 22 21:13 uni-north-agp -> uni-north-agp@b > dr-xr-xr-x 2 root root 0 lug 22 21:13 uni-north-agp@b > -r--r--r-- 1 root root 0 lug 22 21:13 write-combining > > > -- > Bye. > Giuliano. -- Benjamin Herrenschmidt ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/