https://bugzilla.kernel.org/show_bug.cgi?id=203439 --- Comment #3 from Błażej Szczygieł (spaz16@xxxxx) --- Thank you for the reply! In bright room you can quickly disable the backlight (set it to 0) using the Fn+F1 keys. You can save power and the display content doesn't disturb you, but you can still notice that computer is working (the screen content can be still visible). It is more convenient than DPMS, especially if you have duplicated screen with HDMI and you don't want to reconfigure anything, just you want to quickly disable the backlight. Moreover, the current minimum backlight level is too bright for very dark room. Sometimes I need to set to value of "2" or even "1" in kernel 4.20. Since kernel 5.0 it is not possible and I'm not feeling convenient with too bright display. On Huawei Matebook D 14 the display doesn't flicker at all even on brightness level 1 on kernel 4.20 (no PWM). Maybe it is a good idea to blacklist or whitelist some devices? Or maybe it is a good idea to add an additional kernel parameter to restore the old behavior and unlock all possible backlight levels for more advanced users? -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
