[Bug 69747] [HSW ULT]igt/kms_flip/flip-vs-panning-vs-hang-interruptible causes [drm:intel_uncore_check_errors] *ERROR* Unclaimed register before interrupt

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=69747

--- Comment #7 from Paulo Zanoni <przanoni at gmail.com> ---
(In reply to comment #6)
> (In reply to comment #5)
> > We get those interrupts because we're reading registers that are on the
> > disabled power well when we are at the function that collects data for the
> > error state file.
> > 
> > I sent a patch fixing this a long ago, but Daniel Denied it.
> > 
> > If we fix the GPU hang, the problem will go away.
> 
> Hm, which register access where?

All the I915_READ(something) calls at intel_display_capture_error_state().

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