[Bug 81662] [BYT Bisected]igt/kms_flip some subcases cause system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81662

Guo Jinxian <jinxianx.guo at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[BYT                        |[BYT Bisected]igt/kms_flip
                   |Regression]igt/kms_flip     |some subcases cause system
                   |some subcases cause system  |hang
                   |hang                        |
           Keywords|bisect_pending              |

--- Comment #2 from Guo Jinxian <jinxianx.guo at intel.com> ---
c51f71679042a5f388d9580ffbede14c897f1e86 is the first bad commit

commit c51f71679042a5f388d9580ffbede14c897f1e86 
Merge: b957f45 7b3c29f 
Author: Dave Airlie <airlied at redhat.com> 
AuthorDate: Sat Jul 19 16:43:41 2014 +1000 
Commit: Dave Airlie <airlied at redhat.com> 
CommitDate: Sat Jul 19 16:43:41 2014 +1000 

Merge tag 'drm-intel-next-2014-07-11' of
git://anongit.freedesktop.org/drm-intel into drm-next 

- fbc improvements when stolen memory is tight (Ben) 
- cdclk handling improvements for vlv/chv (Ville) 
- proper fix for stuck primary planes on gmch platforms with cxsr (Imre&Ebgert 
Eich) 
- gen8 hw semaphore support (Ben) 
- more execlist prep work from Oscar Mateo 
- locking fixes for primary planes (Matt Roper) 
- code rework to support runtime pm for dpms on hsw/bdw (Paulo, Imre & me), but 
not yet enabled because some fixes from Paulo haven't made the cut 
- more gpu boost tuning from Chris 
- as usual piles of little things all over 

* tag 'drm-intel-next-2014-07-11' of git://anongit.freedesktop.org/drm-intel:
(93 commits) 
drm/i915: Make the RPS interrupt generation mask handle the vlv wa 
drm/i915: Move RPS evaluation interval counters to i915->rps 
drm/i915: Don't cast a pointer to void* unnecessarily 
drm/i915: don't read LVDS regs at compute_config time 
drm/i915: check the power domains in intel_lvds_get_hw_state() 
drm/i915: check the power domains in ironlake_get_pipe_config() 
drm/i915: don't skip shared DPLL assertion on LPT 
drm/i915: Only touch WRPLL hw state in enable/disable hooks 
drm/i915: Switch to common shared dpll framework for WRPLLs 
drm/i915: ->enable hook for WRPLLs 
drm/i915: ->disable hook for WRPLLs 
drm/i915: State readout support for WRPLLs 
drm/i915: add POWER_DOMAIN_PLLS 
drm/i915: Document that the pll->mode_set hook is optional 
drm/i915: Basic shared dpll support for WRPLLs 
drm/i915: Precompute static ddi_pll_sel values in encoders 
drm/i915: BDW also has special-purpose DP DDI clocks 
drm/i915: State readout and cross-checking for ddi_pll_sel 
drm/i915: Move ddi_pll_sel into the pipe config
drm/i915: Add a debugfs file for the shared dpll state
...


This commit has two parents b957f457fbce30cc4901dc28f2b56f2b15dfe84a and
7b3c29f6fd374640266d82aafe6929761469e27b
On commit b957f457fbce30cc4901dc28f2b56f2b15dfe84a was passed
On commit 7b3c29f6fd374640266d82aafe6929761469e27b was skipped

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