> > I tried the patch you sent, and I have a few questions: > > > > 1. when will this patch be avaiable on 12.1-RELEASE? > > In stable/12 soon. > In 12.1 probably never as the release has been released. > > > 2. now the system does not spit out any more errors like > > the one complaining about _BQC missing: in fact it doesn't > > give errors at all, but the hardware brightness controls still > > won't work. Now hw.acpi.video.lcd0.active = 1 but if I try > > to modify hw.acpi.video.lcd0.brightness nothing appens. I > > still think that acpi_video doesn't see all video outputs > > (I investigated a bit further and on OpenBSD there are > > acpivouts on dmesg output, could be an hint). What could > > be wrong? > > > > If your system is like mine then ACPI does not directly control the > brightness. > Instead, it posts some events that a video driver (like radeon or amdgpu) is > supposed to listen to and then the driver should update the brightness. > (This can also be thought of as the brightness being controlled by the video > "card" / GPU rather than by a motherboard). > For my laptop I had to patch amdgpu driver: > https://github.com/FreeBSDDesktop/kms-drm/pull/241
Nevermind, after some thinkering I managed to get it to work on drm-fbsd12.0-kmod. Now the hardware brightness controls work! I am really grateful, thank you. I wonder when this patch will be pushed upstream. -MrPhyber _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-acpi To unsubscribe, send any mail to "[email protected]"
