[Bug 104975] Delay in skl_disable_plane() causes a system freeze

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104975

Ville Syrjala <ville.syrjala at linux.intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #73 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
Pushed a few more things to 
git://github.com/vsyrjala/linux.git double_buffer_ctl_simple_2

cd7a3f1a64c7 ("write wm/buf_cfg regs when writing other plane regs")
0374055ebfdd ("clear upper half of ggtt and point all disabled planes there")
64bb19816a10 ("fix schedule_timeout vs. spinlock")
dd26b543fec6 ("disable LP1+ watermarks")

Please test again. If supposedly disabled planes remain on this time we should
get getting fault errors in dmesg from the irq handler.

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