[Bug 88799] radeon: Scrambled graphics on iMac 21.5" Late 2009 Radeon Mobility HD 4670

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88799

--- Comment #9 from John Paul Adrian Glaubitz <glaubitz at physik.fu-berlin.de> ---
(In reply to John Paul Adrian Glaubitz from comment #8)
> Tested with Linus' current tree as of today, thus 4.0.0-rc4, with your
> suggested patch applied.

Btw, I noticed that radeon_card_posted() is called twice during boot as I added
a simple printk to verify I am actually using a patched version of the module.

[   10.850854] [drm] radeon kernel modesetting enabled.
[   10.852183] checking generic (c0010000 7e9000) vs hw (c0000000 10000000)
[   10.852185] fb: switching to radeondrmfb from simple
[   10.853431] Console: switching to colour dummy device 80x25
[   10.853827] [drm] initializing kernel modesetting (RV730 0x1002:0x9488
0x106B:0x00B6).
[   10.853844] [drm] register mmio base: 0xD0220000
[   10.853847] [drm] register mmio size: 65536
[   10.853855] This is a patched version of Linux 4.0
[   10.859513] scsi 6:0:0:0: Direct-Access     APPLE    SD Card Reader   1.00
PQ: 0 ANSI: 0
[   10.859713] sd 6:0:0:0: Attached scsi generic sg2 type 0
[   10.861916] sd 6:0:0:0: [sdb] Attached SCSI removable disk
[   10.994432] Adding 8191996k swap on /dev/sda3.  Priority:-1 extents:1
across:8191996k FS
[   11.022231] snd_hda_intel 0000:00:08.0: enabling device (0000 -> 0002)
[   11.022566] ACPI: PCI Interrupt Link [LAZA] enabled at IRQ 20
[   11.022615] snd_hda_intel 0000:00:08.0: Disabling MSI
[   11.025137] input: Apple Computer, Inc. IR Receiver as
/devices/pci0000:00/0000:00:04.0/usb3/3-5/3-5:1.0/0003:05AC:8242.0001/input/input5
[   11.080431] appleir 0003:05AC:8242.0001: input,hiddev0,hidraw0: USB HID
v1.11 Device [Apple Computer, Inc. IR Receiver] on usb-0000:00:04.0-5/input0
[   11.134529] ATOM BIOS: 113
[   11.134548] This is a patched version of Linux 4.0
[   11.134550] [drm] GPU not posted. posting now...
[   11.137246] radeon 0000:02:00.0: VRAM: 256M 0x0000000000000000 -
0x000000000FFFFFFF (256M used)
[   11.137253] radeon 0000:02:00.0: GTT: 1024M 0x0000000010000000 -
0x000000004FFFFFFF
[   11.137258] [drm] Detected VRAM RAM=256M, BAR=256M
[   11.137261] [drm] RAM width 128bits DDR
[   11.137328] [TTM] Zone  kernel: Available graphics memory: 2024472 kiB
[   11.137332] [TTM] Initializing pool allocator
[   11.137339] [TTM] Initializing DMA pool allocator
[   11.137374] [drm] radeon: 256M of VRAM memory ready
[   11.137378] [drm] radeon: 1024M of GTT memory ready.
[   11.137392] [drm] Loading RV730 Microcode
[   11.277356] input: Apple, Inc Apple Keyboard as
/devices/pci0000:00/0000:00:06.1/usb2/2-2/2-2.2/2-2.2:1.0/0003:05AC:0221.0002/input/input6
[   11.336211] apple 0003:05AC:0221.0002: input,hidraw1: USB HID v1.11 Keyboard
[Apple, Inc Apple Keyboard] on usb-0000:00:06.1-2.2/input0
[   11.336927] input: Apple, Inc Apple Keyboard as
/devices/pci0000:00/0000:00:06.1/usb2/2-2/2-2.2/2-2.2:1.1/0003:05AC:0221.0003/input/input7
[   11.392201] apple 0003:05AC:0221.0003: input,hidraw2: USB HID v1.11 Device
[Apple, Inc Apple Keyboard] on usb-0000:00:06.1-2.2/input1
[   11.407371] input: Logitech USB Optical Mouse as
/devices/pci0000:00/0000:00:06.0/usb4/4-4/4-4:1.0/0003:046D:C077.0004/input/input8
[   11.407489] hid-generic 0003:046D:C077.0004: input,hidraw3: USB HID v1.11
Mouse [Logitech USB Optical Mouse] on usb-0000:00:06.0-4/input0
[   11.506123] [drm] External GPIO thermal controller with fan control
[   11.506991] [drm] radeon: dpm initialized

Is this normal behavior?

Adrian

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