Merge of Luca and Ben's sysfs work for Radeon

[Jon Smirl <jonsmirl@yahoo.com>]

Here is a sample of what sysfs looks like with the new radeon driver. I have an
Intel 875 chipset so there are three buses: 0 - system, 1 - AGP, 2 - PCI. Note
that the EDID block is available.

I was thinking about adding these attributes to the fb device: geometry,
timings, interlaced, hsync, vsync. and then writing a new fbset command.

[jonsmirl@smirl sys]$ ls
block  bus  cdev  class  devices  firmware  power
[jonsmirl@smirl sys]$ ls bus/pci/devices
0000:00:00.0  0000:00:1d.1  0000:00:1d.7  0000:00:1f.1  0000:00:1f.5 
0000:02:01.0
0000:00:01.0  0000:00:1d.2  0000:00:1e.0  0000:00:1f.2  0000:01:00.0 
0000:02:02.0
0000:00:1d.0  0000:00:1d.3  0000:00:1f.0  0000:00:1f.3  0000:01:00.1 
0000:02:0c.0
[jonsmirl@smirl sys]$ ls bus/pci/drivers
agpgart-intel  Intel ICH           parport_pc  radeonfb    uhci-hcd
e1000          Intel ICH Joystick  PCI IDE     RZ1000 IDE
ehci_hcd       ohci1394            PIIX IDE    serial
[jonsmirl@smirl sys]$ ls bus/pci/drivers/radeonfb
0000:01:00.0  0000:01:00.1  new_id
[jonsmirl@smirl sys]$ ls class
graphics  i2c-adapter  input  net  scsi_device  scsi_host  tty  usb  usb_host
[jonsmirl@smirl sys]$ ls class/graphics
fb0
[jonsmirl@smirl sys]$ ls class/graphics/fb0
dev  device  driver
[jonsmirl@smirl sys]$  ls class/graphics/fb0/device
class   detach_state  edid1  i2c-1  i2c-3  power     subsystem_device  vendor
config  device        i2c-0  i2c-2  irq    resource  subsystem_vendor
[jonsmirl@smirl sys]$ ls class/graphics/fb0/driver
0000:01:00.0  0000:01:00.1  new_id
[jonsmirl@smirl sys]$




=====
Jon Smirl
jonsmirl@yahoo.com

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