[Bug 91883] [HSW, BDW, SKL] [drm:intel_pipe_update_end [i915]] *ERROR* Atomic update failure on pipe A

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91883

--- Comment #48 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to Ville Syrjala from comment #42)
> The bad location of the gamma programming also causes the following spew on
> VLV/CHV+DSI on account of assert_dsi_pll() needing to grab the sideband
> mutex.
> 
> [  325.057384] BUG: sleeping func
> tion called from invalid context at ../kernel/locking/mutex.c:730

That's bug 99991, fixed now.

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