Thanks for quick reply. Yes, it works on linux but it's not my favorite OS unfortunately.
On 17 September 2012 00:28, Stefan Sperling <s...@openbsd.org> wrote: > On Sun, Sep 16, 2012 at 10:47:24PM +0300, Onat I. wrote: >> I have Radeon HD 6520G card. I can only use it with vesa. >> I don't care about acceleration but vesa doesn't support 16:9 aspect. >> Everything looks fat. It's annoying. So I added appropriate lines to >> /usr/src/sys/dev/pci/drm/radeon_drv.c and compiled the kernel. >> When I rebooted, kernel recognized radeondrm. But Xorg still selects >> vesa. If I create an /etc/X11/xorg.conf file. Screen freezes on running >> startx. What other files do I need to edit? Or is it about the xorg driver? > > The problem is that the radeon driver supports newer radeon chips > only with kernel mode setting (KMS), which OpenBSD does not support. > OpenBSD only supports traditional user mode setting right now. > AFAIK only Linux supports KMS. It seems upstream is removing all user > mode setting support with the next release of the radeon driver: > http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=50689ec8dbd4a68527b2ac16cecac298b8d441d0 > > I have a similar ATI card in a notebook ("ATI Radeon HD 6320"). > The radeon driver comes up with the full display resolution. > However, it's unaccelerated and once the X server exits the > screen stays black. So it's not much better than vesa which > is stuck at 1024x768. No xvideo or 3D either way. > > That's gonna be the situation until someone with the necessary > skills, and time to spend, fixes it.
