[Nouveau] [Bug 58556] MacBook Pro 5, 1 with nVidia 9400m and 9600m, scrambled screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58556

--- Comment #25 from Joanand <MacGyver031 at web.de> ---
(In reply to comment #24)
Hi Pierre,
I have applied/changed these lines on
driver/gpu/drm/nouveau/core/subdev/bar/nv50.c:
- line 233: int ret, i;
- line 351: for(i = 0; i < 8; i++)
- line 352: nv_wr32(priv, 0x001900 + (i * 4), 0x00000000);

Booting with both adapters enabled (9600 is the boot adapter), EFI-stub and
EFIFB, loading nouveau without acceleration:leads to scrambled screen. The
resolution is native 1440x900.

Booting with both adapters enabled (9600 is the boot adapter) EFI-stub and
EFIFB, loading nouveau with acceleration, screen/adapter is frozen. System
seems to "hang"/lag.

I am now trying the setup without EFIFB. Report back as I have tested it.

BR.

PS: Do you have a MacBook Pro 5,1 15.4"?

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