[Bug 237340] Unable to make HDMI sound works with HD630

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237340

--- Comment #5 from Emrion <kmachine at free.fr> ---

(In reply to Hans Petter Selasky from comment #4)
The drm drivers:

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$ pkg info | grep drm
drm-fbsd12.0-kmod-4.16.g20190305 DRM modules for the linuxkpi-based KMS
components
drm-kmod-g20181126             Metaport of DRM modules for the linuxkpi-based
KMS components
libdrm-2.4.96,1                Userspace interface to kernel Direct Rendering
Module services
-----

There are some errors in dmesg:

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[drm] Unable to create a private tmpfs mount, hugepage support will be
disabled(-19).                                                                  
Failed to add WC MTRR for [0xe0000000-0xefffffff]: -22; performance may suffer
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And sometimes:

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hdacc1: Unexpected unsolicited response with tag 63: ffffffff
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