[Bug 58897] [HSW CRW]*ERROR* Unknown unclaimed register

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58897

--- Comment #9 from shui yangwei <yangweix.shui at intel.com> ---
Created attachment 72840
  --> https://bugs.freedesktop.org/attachment.cgi?id=72840&action=edit
dmesg

(In reply to comment #8)
> (In reply to comment #7)
> > Created attachment 72775 [details] [review] [review]
> > reset unclaimed register writes errors on takeover
> > 
> > New patch for you to test, with a different approach.
> 
> Apply this patch on top commit of branch -next-queued,
> 
> this error information will appeared in dmesg.
> 
> commit: 9c7a47e7ca7c694ff4f19b568ad4ce1dba64dbd0
> 
> [    1.786664] [drm:intel_dsm_platform_mux_info] *ERROR* MUX INFO call failed

Modify:
---------------
[    5.032931] [drm:i915_write32] *ERROR* Unknown unclaimed register before
writing to c5100

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