[Bug 54661] Backlight doesn't turn on after suspend on Acer 1830T with Ironlake chip running 3.8.1

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=54661





--- Comment #2 from Ilya Tumaykin <itumaykin at gmail.com>  2013-03-02 19:14:20 ---
My git bisect log (JIC, not sure it is very useful):

git bisect start
# good: [19f949f52599ba7c3f67a5897ac6be14bfcb1200] Linux 3.8
git bisect good 19f949f52599ba7c3f67a5897ac6be14bfcb1200
# bad: [4c91a0e718837dddb8c06d5618c13d3b9fe68419] Linux 3.8.1
git bisect bad 4c91a0e718837dddb8c06d5618c13d3b9fe68419
# good: [442b43c867541d0f54a3d8c917d9a00ff941e60a] drm/usb: bind driver to
correct device
git bisect good 442b43c867541d0f54a3d8c917d9a00ff941e60a
# bad: [e0cfce95ff8e4789c35c02e7c1e0e88bc48ce54b] fbcon: don't lose the console
font across generic->chip driver switch
git bisect bad e0cfce95ff8e4789c35c02e7c1e0e88bc48ce54b
# bad: [7b12be8563b3d5ebf121dd37227de37bf68123b0] staging: vt6656: revert : 64
bit- Correctly address void structure.
git bisect bad 7b12be8563b3d5ebf121dd37227de37bf68123b0
# bad: [80dda7b532285f32b6fdb23ebf29de7c035b2bae] drm/i915: disable shared
panel fitter for pipe
git bisect bad 80dda7b532285f32b6fdb23ebf29de7c035b2bae
# good: [3cfe7a3476bf3831bcc079b4bff4b1d8cf195179] drm/i915: Preserve the FDI
line reversal override bit on CPT
git bisect good 3cfe7a3476bf3831bcc079b4bff4b1d8cf195179
# good: [93acc1b01987426940bc8403aea19e13e13da421] drm/i915: Fix CAGF for HSW
git bisect good 93acc1b01987426940bc8403aea19e13e13da421
# bad: [719429a54d9c8fd32d457c7d564d1272d9003282] drm/i915: write backlight
harder
git bisect bad 719429a54d9c8fd32d457c7d564d1272d9003282
# good: [1963d1f0a223d134186ea6c2b5540e981408d458] drm/i915: Fix RC6VIDS
encode/decode
git bisect good 1963d1f0a223d134186ea6c2b5540e981408d458

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