KMS + Radeon quick mini guide

[d2kx]

I have tried to use KMS on x700 but as i didn't want to build git releases i used http://ppa.launchpad.net/xorg-edgers/ubuntu/ as a software source and did all updates from it with kpakckagekit.

How surprised i have been when I saw it working out of the box after the update (a rebot later of course). It's not the most important feature but it's still great.

I have noticed a few problems tough.
If you try to switch to a tty during kde loading, coming back to X will give you a broken kde with only a gnombe background : no taskbar or anything. I have killed X to restart kdm and not to switch during kde load. Kde started correctly but I was unable to launch kde apps. I rebooted and it was fixed.

One other thing : booting without radeon.modeset=1 willnot work. X tries to start and crashes instantly.

Thanks for the good work on this driver.

Are you using Linux 2.6.32?

[Guilo]

I have tried to use KMS on x700 but as i didn't want to build git releases i used http://ppa.launchpad.net/xorg-edgers/ubuntu/ as a software source and did all updates from it with kpakckagekit.

How surprised i have been when I saw it working out of the box after the update (a rebot later of course). It's not the most important feature but it's still great.

I have noticed a few problems tough.
If you try to switch to a tty during kde loading, coming back to X will give you a broken kde with only a gnombe background : no taskbar or anything. I have killed X to restart kdm and not to switch during kde load. Kde started correctly but I was unable to launch kde apps. I rebooted and it was fixed.

One other thing : booting without radeon.modeset=1 willnot work. X tries to start and crashes instantly.

Thanks for the good work on this driver.

[bridgman]

Right. The fglrx driver does not use the DRI2 protocol but provides most of the same benefits, including Redirected Direct Rendering.

[netkas]

>radeon have DRI2 fglrx only dri..

you can't really compare them.

[DanL]

Using sidux (2.6.32 kernel and Xserver 1.6.5 ATM), everything built properly. I stopped kdm and went into TTY1, reloaded the modules and was greeted with the console at native resolution. No errors in dmesg. So far, so good.

Tried to start kdm, and was greeted with a very garbled screen. Everything looks good in Xorg log:

(II) RADEON(0): [DRI2] Setup complete
..
(II) AIGLX: Loaded and initialized /usr/lib/dri/r600_dri.so
(II) GLX: Initialized DRI2 GL provider for screen 0

dmesg:

kernel: [drm] Initialized drm 1.1.0 20060810
kernel: [drm] radeon kernel modesetting enabled.
kernel: radeon 0000:01:00.0: setting latency timer to 64
kernel: [drm] radeon: Initializing kernel modesetting.
kernel: [drm] register mmio base: 0xFEAF0000
kernel: [drm] register mmio size: 65536
kernel: ATOM BIOS: 11X
kernel: [drm] Clocks initialized !
kernel: [drm] Detected VRAM RAM=256M, BAR=256M
kernel: [drm] RAM width 64bits DDR
kernel: [TTM] Zone kernel: Available graphics memory: 1030558 kiB.
kernel: [drm] radeon: 256M of VRAM memory ready
kernel: [drm] radeon: 512M of GTT memory ready.
kernel: [drm] Loading RV710 CP Microcode
kernel: platform radeon_cp.0: firmware: requesting radeon/RV710_pfp.bin
kernel: platform radeon_cp.0: firmware: requesting radeon/RV710_me.bin
kernel: [drm] GART: num cpu pages 131072, num gpu pages 131072
kernel: [drm] ring test succeeded in 1 usecs
kernel: [drm] radeon: ib pool ready.
kernel: [drm] ib test succeeded in 0 usecs
kernel: [drm] Radeon Display Connectors
kernel: [drm] Connector 0:
kernel: [drm]   VGA
kernel: [drm]   DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
kernel: [drm]   Encoders:
kernel: [drm]     CRT2: INTERNAL_KLDSCP_DAC2
kernel: [drm] Connector 1:
kernel: [drm]   HDMI-A
kernel: [drm]   DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c
kernel: [drm]   Encoders:
kernel: [drm]     DFP1: INTERNAL_UNIPHY
kernel: [drm] Connector 2:
kernel: [drm]   DVI-I
kernel: [drm]   DDC: 0x7f10 0x7f10 0x7f14 0x7f14 0x7f18 0x7f18 0x7f1c 0x7f1c
kernel: [drm]   Encoders:
kernel: [drm]     CRT1: INTERNAL_KLDSCP_DAC1
kernel: [drm]     DFP2: INTERNAL_UNIPHY2
kernel: [drm] fb mappable at 0xD0141000
kernel: [drm] vram apper at 0xD0000000
kernel: [drm] size 7257600
kernel: [drm] fb depth is 24
kernel: [drm]    pitch is 6912
kernel: fb: conflicting fb hw usage radeondrmfb vs VESA VGA - removing generic driver
kernel: Console: switching to colour dummy device 80x25
kernel: Console: switching to colour frame buffer device 210x65
kernel: executing set pll
kernel: executing set crtc timing
kernel: [drm] TMDS-15: set mode 1680x1050 26
kernel: fb0: radeondrmfb frame buffer device
kernel: registered panic notifier
kernel: [drm] Initialized radeon 2.0.0 20080528 for 0000:01:00.0 on minor 0

Ideas?

[Fran]

Your build is not finding the proper libdrm. xf86drm.h is included in radeon.h

You're right. I don't know how, but I had an ancient libdrm in /usr/local. Sorry for the noise.

[agd5f]

I have the correct version of libdrm:

$ nm -D /usr/lib/libdrm.so.2.4.0 | grep Fd
00000000000032c0 T drmGetDeviceNameFromFd

but xf86-video-ati still refuses to install in gentoo:

  CC    radeon_dri2.o
radeon_dri2.c: In function ?radeon_dri2_screen_init?:
radeon_dri2.c:339: warning: implicit declaration of function ?drmGetDeviceNameFromFd?
radeon_dri2.c:339: warning: assignment makes pointer from integer without a cast

It might work if xf86drm.h was actually included in radeon_dri2.c.

Your build is not finding the proper libdrm. xf86drm.h is included in radeon.h

[Fran]

Make sure you updated your libdrm tree properly. Here is the relevant commit:
http://cgit.freedesktop.org/mesa/drm...f5ed5693c0fb58

I have the correct version of libdrm:

$ nm -D /usr/lib/libdrm.so.2.4.0 | grep Fd
00000000000032c0 T drmGetDeviceNameFromFd

but xf86-video-ati still refuses to install in gentoo:

  CC    radeon_dri2.o
radeon_dri2.c: In function ?radeon_dri2_screen_init?:
radeon_dri2.c:339: warning: implicit declaration of function ?drmGetDeviceNameFromFd?
radeon_dri2.c:339: warning: assignment makes pointer from integer without a cast

It might work if xf86drm.h was actually included in radeon_dri2.c.

[Guilo]

Is this feature integrated in radeonhd yet ?

And in fglrx ?

Thanks

[hmmm]

What demo's are you using to check shader performance?