Date: Mon, 23 May 2022 09:37:45 +0200 From: Emmanuel Vadot <manu@bidouilliste.com> To: Pete Wright <pete@nomadlogic.org> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: no hw.acpi.video.lcd0 with graphics/drm-510-kmod Message-ID: <20220523093745.ab74225307d0ec8981849acd@bidouilliste.com> In-Reply-To: <279458c5-74ce-55ec-9dac-de4a064243a9@nomadlogic.org>
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On Sun, 22 May 2022 09:08:12 -0700 Pete Wright <pete@nomadlogic.org> wrote: > hello, > i have a lenovo P43s laptop running current. i've noticed that since > graphics/drm-510-kmod became available hw.acpi.video.lcd0 ceases to > exist (which makes it impossible to adjust screen brightness). i've > installed graphics/drm-54-kmod and things work as expected. previously > i was running drm-devel-kmod without issues, so i think it's probably an > issue with the 5.10 driver? > > i can file a bug report for this (or just test out patches here if > that's easier), but wanted to see if anyone here had observed this on > other laptops first. > > cheers, > -pete > > -- > Pete Wright > pete@nomadlogic.org > @nomadlogicLA > > Not sure what's happening as this sysctl is exposed by acpi_video(4) and not related to drm. But you shouldn't need this, backlight(8) should work everywhere once drm is loaded. Cheers, -- Emmanuel Vadot <manu@bidouilliste.com> <manu@FreeBSD.org>help
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