[Bug 58396] [i945GM regression] in 3.7.0 kernel on macbook1,1 (kernel crash)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58396

--- Comment #17 from Peter Ujfalusi <peter.ujfalusi at gmail.com> ---
Created attachment 71689
  --> https://bugs.freedesktop.org/attachment.cgi?id=71689&action=edit
PATCH: Extended check in intel_check_plane_mapping()

Hi Daniel,

this patch fixed the problem on my macbook1,1. KMS works fine after applying
it.

We only checked if the 'wrong plane' (if it is enabled) was configured to use
the crtc->pipe. I have added additional check which checks if the current
plane's configuration in HW is correct or not (regarding to crtc->pipe).
I'm not really familiar with the terms in graphics area so the comments in the
patch might be totally wrong.
I hope this helps to figure out a proper fix for the issue.

Thanks,
Peter

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