[Bug 95646] [i915] [SKL] Unclaimed register detected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95646

Imre Deak <imre.deak at intel.com> changed:

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

--- Comment #2 from Imre Deak <imre.deak at intel.com> ---
HSW_AUD_CHICKENBIT is accessed without holding an audio power domain reference.
Could you try the following:

diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c
index c9af022..c6552f3c 100644
--- a/sound/hda/hdac_i915.c
+++ b/sound/hda/hdac_i915.c
@@ -101,7 +101,9 @@ EXPORT_SYMBOL_GPL(snd_hdac_display_power);
 #define CONTROLLER_IN_GPU(pci) (((pci)->device == 0x0a0c) || \
                                ((pci)->device == 0x0c0c) || \
                                ((pci)->device == 0x0d0c) || \
-                               ((pci)->device == 0x160c))
+                               ((pci)->device == 0x160c) || \
+                               ((pci)->device == 0xa170) || \
+                               ((pci)->device == 0x9d70))

 /**
  * snd_hdac_i915_set_bclk - Reprogram BCLK for HSW/BDW

If it doesn't fix it, could you provide the PCI ID for your HDA device:
$ lspci -nn -s 0:1f.3; lspci -nn -s 0:3

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