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  1. Bug #1272945
  2. Comment #8

Comment 8 for bug 1272945

Revision history for this message
peterthevicar (peterbcs) wrote : Re: 8086:2592 [Toshiba Portégé R200-110] Black screen/freeze after resume with i915

Hi there, I finally managed to do a bisect on this. It took a while because the good and bad kernels were in non-linear branches so I had to do 14 kernel builds on my ancient laptop!

This is the end of the trail:

$ git bisect bad
24576d23976746cb52e7700c4cadbf4bc1bc3472 is the first bad commit
commit 24576d23976746cb52e7700c4cadbf4bc1bc3472
Author: Jesse Barnes <email address hidden>
Date: Tue Mar 26 09:25:45 2013 -0700

    drm/i915: enable VT switchless resume v3

    With the other bits in place, we can do this safely.

    v2: disable backlight on suspend to prevent premature enablement on resume
    v3: disable CRTCs on suspend to allow RTD3 (Kristen)

    Signed-off-by: Jesse Barnes <email address hidden>
    Reviewed-by: Rodrigo Vivi <email address hidden>
    Signed-off-by: Daniel Vetter <email address hidden>

:040000 040000 72fb279ebc4c48824015f43eac459d046dde3204 6797fd617ffd75b6e2a457aaabf5e90f9a4021c0 M drivers

What do I do now?

Best wishes, Peter