On 2024-09-16 15:43:35-0400, Harry Wentland wrote: > On 2024-08-26 12:57, Mario Limonciello wrote: > > On 8/24/2024 13:33, Thomas Weißschuh wrote: > >> Not all platforms provide the full range of PWM backlight capabilities > >> supported by the hardware through ATIF. > >> Use the generic drm panel minimum backlight quirk infrastructure to > >> override the capabilities where necessary. > >> > >> Testing the backlight quirk together with the "panel_power_savings" > >> sysfs file has not shown any negative impact. > >> One quirk seems to be that 0% at panel_power_savings=0 seems to be > >> slightly darker than at panel_power_savings=4. > > > > Thanks; This is the kind of thing I was worried about. > > > > Harry, Leo, > > > > Is that expected? I wonder if we need to internally turn off panel > > power savings in display code when brightness falls a threshold (12 > > IIRC was the real "minimum" advertised in the table?). > > How much darker? Is it bothersome? Was this questions for meant for me? To me personally it's absolutely not bothersome. I probably wouldn't have noticed it if not explicitly looking for it. > I wonder the FW and driver have different min backlight values now. > > Leo, any thoughts? Friendly ping.
