[Bug 91697] [SKL, BIOS upgrade regression] distorted display after resume from suspend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91697

--- Comment #17 from Gary Wang <gary.c.wang at intel.com> ---
Created attachment 117957
  --> https://bugs.freedesktop.org/attachment.cgi?id=117957&action=edit
set CDCLK if DPLL0 enabled during resuming from S3

Hi Rodrigo and Damien,

Thanks for your comments. Yes, skl_dpll0_enable() should be skipped if DPLL0
enabled. 

I verified this issue with new patch on drm-intel-nightly 8/24/2015, it passed
test (10 test cycles).

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