[Bug 76544] [HSW Regression]igt/kms_cursor_crc causes calltrace

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76544

lu hua <huax.lu at intel.com> changed:

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

--- Comment #3 from lu hua <huax.lu at intel.com> ---
Bisect shows:3e09dcd5bde5c1c3bf6aa3f848fe065f0c8fae9c is the first bad commit.
commit 3e09dcd5bde5c1c3bf6aa3f848fe065f0c8fae9c
Merge: 6ba6b7c b8a5ff8
Author: Dave Airlie <airlied at redhat.com>
Date:   Thu Feb 27 14:36:01 2014 +1000

    Merge tag 'drm-intel-next-2014-02-07' of
ssh://git.freedesktop.org/git/drm-i

    - Yet more steps towards atomic modeset from Ville.
    - DP panel power sequencing improvements from Paulo.
    - irq code cleanups from Ville.
    - 5.4 GHz dp lane clock support for bdw/hsw from Todd.
    - Clock readout support for hsw/bdw (aka fastboot) from Jesse.
    - Make pipe underruns report at ERROR level (Ville). This is to check our
      improved watermarks code.
    - Full ppgtt support from Ben for gen7.
    - More fbc fixes and improvements from Ville all over the place,
unfortunate
      not yet enabled by default on more platforms.
    - w/a cleanups from Ville.
    - HiZ stall optimization settings (Chia-I Wu).
    - Display register mmio offset refactor patch from Antti.
    - RPS improvements for corner-cases from Jeff McGee.

    * tag 'drm-intel-next-2014-02-07' of
ssh://git.freedesktop.org/git/drm-intel
      drm/i915: Update rps interrupt limits
      drm/i915: Restore rps/rc6 on reset
      drm/i915: Prevent recursion by retiring requests when the ring is full
      drm/i915: Generate a hang error code
      drm/i915: unify FLIP_DONE macro names
      drm/i915: vlv: s/spin_lock_irqsave/spin_lock/ in irq handler
      drm/i915: factor out valleyview_pipestat_irq_handler
      drm/i915: vlv: don't unmask IIR[DISPLAY_PIPE_A/B_VBLANK] interrupt
      drm/i915: Reorganize display pipe register accesses
      drm/i915: Treat using a purged buffer as a source of EFAULT
      drm/i915: Convert EFAULT into a silent SIGBUS
      drm/i915: release mutex in i915_gem_init()'s error path
      drm/i915: check for oom when allocating private_default_ctx
      drm/i915/vlv: WA to fix Voltage not getting dropped to Vmin when Gfx is
po
      drm/i915: Get rid of acthd based guilty batch search
      drm/i915: Use hangcheck score to find guilty context
      drm/i915: Drop WaDisablePSDDualDispatchEnable:ivb for IVB GT2
      drm/i915: Fix IVB GT2 WaDisableDopClockGating and
WaDisablePSDDualDispatch
      drm/i915: Don't access snooped pages through the GTT (even for error
captu
      drm/i915: Only print information for filing bug reports once
      ...

    Conflicts:
        drivers/gpu/drm/i915/intel_dp.c

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