On 07/16/2014 04:32 PM, David C. Rankin wrote:
I tried acpi_backlight=vendor, but all it did was cause /sys/class/backlight/acpi_video0 to disappear, leaving only the radeon_bl0 entry. I tried enabling backlight with:
systemctl start systemd-backlight@radeon_bl0.service
which did start fine, but to no avail. The function keys still did not work and attempting to manually set /sys/class/backlight/radeon_bl0/brightness caused all kinds of hell to break loose with my display. (requiring typing in the blind 'sudo shutdown -r now' and praying)
I have put my 11.4 drive back in the laptop and compared acpi_listen values. The values returned are different. Under 11.4 I get:
# acpi_listen video LCD 00000087 00000000 video LCD 00000087 00000000 video LCD 00000087 00000000 video LCD 00000086 00000000 video LCD 00000086 00000000 video LCD 00000086 00000000
The numerical values are the same, but the labels are completely different. There is just something broken in 13.1. I have exhausted my bag of tricks. I opened the following bug to fix the issue:
All, I really don't believe this. It seems the problem in 13.1 is that the "radeon X11 driver seems not providing xrandr backlight property." (see: https://bugzilla.novell.com/show_bug.cgi?id=887629#c15) I need the brain-trust's help is determining: (1) whether this can be re-enable with a build option to the existing radeon X11 driver; or (2) if not, whether anyone is building alternate X11 drivers (i.e. the old radeonHD driver) for 13.1. Moreover, what source is even used anymore? I've searched OBS for radeon and all I get are 'radeon-profile' and 'libdrm-radeon1'?? Where is the driver and who is the current maintainer? (the radeon driver has now entered ... the twilight zone...) Apparently the 'ati-dri' source package is what provides the Mesa drivers for AMD/ATI Radeon, and I can't even find that in the repositories. The closest I find is libvdpau_radeonsi and that apparently just "contains the VDPAU state tracker for radeonsi" in order to tell which driver is loaded. So I am in need of help to identify what package to look at and who to talk to regarding this problem. Any help will be greatly appreciated. Thanks. -- David C. Rankin, J.D.,P.E. -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org