On 10/27/15 10:17, Michel Dänzer wrote: > > I'm not familiar with the ATOM bytecode, but since the number of > bytecode instructions executed seems the same in both cases, I suspect > that dig->backlight_level == 0 => ATOM_LCD_BLOFF is executed. (The > debugging output in my patch would have provided all of this information > and more, but there wasn't any of it in the dmesg you provided) > > I guess the question then becomes how dig->backlight_level is (supposed > to be) initialized. > > What values do the following files contain in the broken and working cases? > > /sys/class/backlight/radeon_bl0/bl_power > /sys/class/backlight/radeon_bl0/brightness > /sys/class/backlight/radeon_bl0/actual_brightness > /sys/class/backlight/radeon_bl0/max_brightness > > These files do not exist on my system, I can offer /sys/class/backlight/acpi_video0/ content is identical in both cases bl_power 0 brightness 10 actual_brightness 10 max_brightness 10 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
