Re: KMS & Mobility Radeon X1400 (LifeBook N6410): black console on internal display

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On Fri, Dec 18, 2009 at 10:44 AM, Davide Manzella <[email protected]> wrote:
> Hello All,
>
> The system is a Fujitsu-Siemens LifeBook N6410 with on-board
> ATI Mobility Radeon X1400.
>
> Testing with vanilla linux-2.6.32 and
> libdrm, Mesa, xf86-video-ati all from git (2009-12-15).
>
> I've blacklisted both 'radeon' and 'radeonfb' in /etc/modprobe.d/blacklis=
t.conf
> to prevent problems at boot, also I've removed any 'vga=3D' in
> the bootloader (GRUB) configuration.
>
> As root, logged in the first virtual console:
> #modprobe radeon
>
> Puff! The internal display turns completely black but...
> After several reboots =A0with the tree-finger-salute,
> I've come to realize that the system wasn't in hang and thought
> about connecting an external monitor to the VGA connector on the back,
> just before the modprobe command...
> Surprise! That worked and I got a nice 160x64 console.
>

The problem is the video bios on your card has the same ddc line
specified for both LVDS and VGA so they get combined as the same
connector.  The attached patch should fix the issue.  Can you confirm?
 Can you also send me a copy of your video bios?

(as root):
cd /sys/bus/pci/devices/<pci bus id>/
echo 1 > rom
cat rom > /tmp/vbios.rom
echo 0 > rom

Alex

> The next thing I've tryied is a plain 'startx' (no modprobe in advance).
> That seems to trigger the 'radeon' autoloading, the X11 server
> starts 1440x900 but when I ctl+alt+f1...f6,
> I'll stare at a black internal display.
>
> Some interesting lines from syslog:
>
> Dec 17 15:32:55 pancho-11 kernel: [drm] radeon: Initializing kernel modes=
etting.
> Dec 17 15:32:55 pancho-11 kernel: [drm] register mmio base: 0xF0000000
> Dec 17 15:32:55 pancho-11 kernel: [drm] register mmio size: 65536
> Dec 17 15:32:55 pancho-11 kernel: ATOM BIOS: M54P
>
> [snip]
> Dec 17 15:32:55 pancho-11 kernel: [drm] radeon: ib pool ready.
> Dec 17 15:32:55 pancho-11 kernel: [drm] ib test succeeded in 0 usecs
> Dec 17 15:32:55 pancho-11 kernel: i2c i2c-1: adapter [] registered
> Dec 17 15:32:55 pancho-11 kernel: [drm] Radeon Display Connectors
> Dec 17 15:32:55 pancho-11 kernel: [drm] Connector 0:
> Dec 17 15:32:55 pancho-11 kernel: [drm] =A0 VGA
> Dec 17 15:32:55 pancho-11 kernel: [drm] =A0 DDC: 0x7e40 0x7e40 0x7e44 0x7=
e44
> 0x7e48 0x7e48 0x7e4c 0x7e4c
> Dec 17 15:32:55 pancho-11 kernel: [drm] =A0 Encoders:
> Dec 17 15:32:55 pancho-11 kernel: [drm] =A0 =A0 CRT1: INTERNAL_KLDSCP_DAC=
1
> Dec 17 15:32:55 pancho-11 kernel: [drm] =A0 =A0 LCD1: INTERNAL_LVTM1
> Dec 17 15:32:55 pancho-11 kernel: [drm] Connector 1:
> Dec 17 15:32:55 pancho-11 kernel: [drm] =A0 S-video
> Dec 17 15:32:55 pancho-11 kernel: [drm] =A0 Encoders:
> Dec 17 15:32:55 pancho-11 kernel: [drm] =A0 =A0 TV1: INTERNAL_KLDSCP_DAC2
> Dec 17 15:32:55 pancho-11 kernel: i2c i2c-1: master_xfer[0] W, addr=3D0x5=
0, len=3D1
> Dec 17 15:32:55 pancho-11 kernel: i2c i2c-1: master_xfer[1] R, addr=3D0x5=
0, len=3D128
> Dec 17 15:32:55 pancho-11 kernel: i2c i2c-1: NAK from device addr 0x50 ms=
g #0
> Dec 17 15:32:55 pancho-11 kernel: i2c i2c-1: master_xfer[0] W, addr=3D0x5=
0, len=3D1
> Dec 17 15:32:55 pancho-11 kernel: i2c i2c-1: master_xfer[1] R, addr=3D0x5=
0, len=3D1
> Dec 17 15:32:55 pancho-11 kernel: i2c i2c-1: NAK from device addr 0x50 ms=
g #0
> Dec 17 15:32:55 pancho-11 kernel: ------------[ cut here ]------------
> Dec 17 15:32:55 pancho-11 kernel: WARNING: at
> drivers/gpu/drm/drm_crtc_helper.c:1032 drm_helper_initial_config+0x36/0x5=
2
> [drm_kms_helper]()
> Dec 17 15:32:55 pancho-11 kernel: Hardware name: LifeBook N6410
> Dec 17 15:32:55 pancho-11 kernel: No connectors reported connected with m=
odes
> Dec 17 15:32:55 pancho-11 kernel: Modules linked in: radeon(+) ttm
> drm_kms_helper drm i2c_algo_bit ipv6 usbhid usb_storage arc4 ecb firewire=
_ohci
> firewire_core iwl3945 uhci_hcd iwlcore joydev intel_agp ehci_hcd agpgart
> crc_itu_t usbcore i2c_i801 tg3 yenta_socket rsrc_nonstatic ohci1394 mac80=
211
> cfg80211 rfkill psmouse libphy pcmcia_core ieee1394 pcspkr
> led_class rtc_cmos sg rtc_core serio_raw input_polldev evdev rtc_lib
> Dec 17 15:32:55 pancho-11 kernel: Pid: 1675, comm: modprobe Not tainted
> 2.6.32-o1a #2
> Dec 17 15:32:55 pancho-11 kernel: Call Trace:
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c1023a4f>] warn_slowpath_common+0x=
65/0x7c
> Dec 17 15:32:55 pancho-11 kernel: =A0[<f8077c64>] ?
> drm_helper_initial_config+0x36/0x52 [drm_kms_helper]
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c1023a9a>] warn_slowpath_fmt+0x24/=
0x27
> Dec 17 15:32:55 pancho-11 kernel: =A0[<f8077c64>]
> drm_helper_initial_config+0x36/0x52 [drm_kms_helper]
> Dec 17 15:32:55 pancho-11 kernel: =A0[<f8375ad0>] radeon_modeset_init+0x4=
53/0x45d
> [radeon]
> Dec 17 15:32:55 pancho-11 kernel: =A0[<f83654a6>] radeon_driver_load_kms+=
0xbd/0xcb
> [radeon]
> Dec 17 15:32:55 pancho-11 kernel: =A0[<f80eaa58>] drm_get_dev+0x2c3/0x3a3=
 [drm]
> Dec 17 15:32:55 pancho-11 kernel: =A0[<f83996c4>] radeon_pci_probe+0xd/0x=
96
> [radeon]
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c1117176>] local_pci_probe+0xe/0x1=
0
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c11177cc>] pci_device_probe+0x43/0=
x66
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c116b45a>] driver_probe_device+0x7=
e/0xf2
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c116b511>] __driver_attach+0x43/0x=
5f
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c116ae7b>] bus_for_each_dev+0x3d/0=
x67
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c116b32e>] driver_attach+0x14/0x16
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c116b4ce>] ? __driver_attach+0x0/0=
x5f
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c116a926>] bus_add_driver+0x94/0x1=
c4
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c110786e>] ? kset_find_obj+0x23/0x=
4e
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c116b73f>] driver_register+0x79/0x=
e0
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c1117991>] __pci_register_driver+0=
x38/0x95
> Dec 17 15:32:55 pancho-11 kernel: =A0[<f80e74ac>] drm_init+0x5d/0xb5 [drm=
]
> Dec 17 15:32:55 pancho-11 kernel: =A0[<f80ab000>] ? radeon_init+0x0/0xae =
[radeon]
> Dec 17 15:32:55 pancho-11 kernel: =A0[<f80ab0ac>] radeon_init+0xac/0xae [=
radeon]
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c1001139>] do_one_initcall+0x4c/0x=
131
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c1042ab9>] sys_init_module+0xa7/0x=
1de
> Dec 17 15:32:55 pancho-11 kernel: =A0[<c1002888>] sysenter_do_call+0x12/0=
x26
> Dec 17 15:32:55 pancho-11 kernel: ---[ end trace 99b99882e4dab160 ]---
> Dec 17 15:32:55 pancho-11 kernel: [drm] Initialized radeon 2.0.0 20080528=
 for
> 0000:01:00.0 on minor 0
>
>
>
>
>
> -------------------------------------------------------------------------=
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