Date: Wed, 4 Nov 2020 13:43:34 +0000 (UTC) From: Emmanuel Vadot <manu@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r367328 - head/share/man/man4 Message-ID: <202011041343.0A4DhYvo098035@repo.freebsd.org>
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Author: manu Date: Wed Nov 4 13:43:34 2020 New Revision: 367328 URL: https://svnweb.freebsd.org/changeset/base/367328 Log: acpi_video(4): mention that acpi_video should be loaded after any drm driver When not adhering to this order, brightness sysctl's do not show up on some laptop. Submitted by: driesm.michiels@gmail.com Reviewed by: uqs Differential Revision: https://reviews.freebsd.org/D26073 Modified: head/share/man/man4/acpi_video.4 Modified: head/share/man/man4/acpi_video.4 ============================================================================== --- head/share/man/man4/acpi_video.4 Wed Nov 4 12:11:50 2020 (r367327) +++ head/share/man/man4/acpi_video.4 Wed Nov 4 13:43:34 2020 (r367328) @@ -63,6 +63,15 @@ Preset brightness level to be used in economy mode. Defaults for these variables can be set in .Xr sysctl.conf 5 , which is parsed at boot-time. +.Sh COMPATIBILITY +In order for +.Nm +to attach correctly, +.Nm +should be loaded after any of the DRM kernel modules. +This can be achieved by setting the correct order in +.Xr rc.conf 5 +using the kld_list directive. .Sh SEE ALSO .Xr acpi 4 , .Xr loader.conf 5 ,
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