On Mon, Nov 21, 2011 at 23:40, Keith Packard <keithp@xxxxxxxxxx> wrote: > On Mon, 21 Nov 2011 22:48:21 +0000 (Local time zone must be set--see zic manual page), Marcos Paulo de Souza <marcos.mage@xxxxxxxxx> wrote: > >> My max_brightness is 1, and my brightness is 0. > > Right, we've prevented the internal backlight driver from exposing a max > value of 0 as that's just confusing. > >> But, my acpi_video0 have a >> max_brightness value = 9... > > Right, sounds like your device is just using some other backlight > controller, which is perfectly reasonable. > >> So, what can I do to silence this warning...? Change the driver of >> backlight? > > If your backlight keys work correctly, then things are fine and perhaps > we should just remove the warning from the driver, or disable the > internal driver when we discover this situation. > > This is the first time I've heard of this warning appearing... It appears here as well. I think it was since 2.6.39 or 3.0, I'm not sure. Same card: 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) (prog-if 00 [VGA controller]) Subsystem: Dell Device 02bb Flags: bus master, fast devsel, latency 0, IRQ 45 Memory at f6400000 (64-bit, non-prefetchable) [size=4M] Memory at d0000000 (64-bit, prefetchable) [size=256M] I/O ports at 1800 [size=8] Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 3 Kernel driver in use: i915 00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) Subsystem: Dell Device 02bb Flags: bus master, fast devsel, latency 0 Memory at f6100000 (64-bit, non-prefetchable) [size=1M] Capabilities: [d0] Power Management version 3 My kernel log has: [drm] Driver supports precise vblank timestamp query. composite sync not supported fixme: max PWM is zero. composite sync not supported Is this "composite sync not supported" related to this issue? Lucas De Marchi _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
