[Nouveau] [Bug 29685] DPMS does not turn off LCD backlight on NV18 [GeForce4 MX with AGP8X (Mac)]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29685

--- Comment #2 from Vlado Plaga <rechner at vlado-do.de> 2010-08-21 04:59:32 PDT ---
(In reply to comment #1)

> The attached patch should fix it, can you give it a try?

Yes! Great! Thank you! Now for me nouveau is superior to nv in every aspect...
except for "installation", maybe. ;-)

First I tried the patch with Ubuntu 10.10's kernel sources (2.6.35), and it was
applied without complaint, but the compilation failed with

drivers/gpu/drm/nouveau/nv04_dfp.c: In function ‘nv04_dfp_update_backlight’:
drivers/gpu/drm/nouveau/nv04_dfp.c:454: error: implicit declaration of function
‘nv_mask’
make[5]: *** [drivers/gpu/drm/nouveau/nv04_dfp.o] Fehler 1
make[4]: *** [drivers/gpu/drm/nouveau] Fehler 2
make[3]: *** [drivers/gpu/drm] Fehler 2
make[2]: *** [drivers/gpu] Fehler 2
make[1]: *** [drivers] Fehler 2
make[1]: Verlasse Verzeichnis '/usr/src/linux-source-2.6.35'
make: *** [debian/stamp/build/kernel] Fehler 2

Then I tried the official 2.6.36-rc1, and the backlight can now be switched off
properly. Unfortunately the EDID error mentioned in bug #29455 is also back
again.

Will that bug be fixed in 2.6.36-rc2? Can I just replace the "gpu/drm/nouveau"
directory? Or should I take the whole linux tree from nouveau's git again?

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