hello,
is it normal that if I rule the brightness with xrandr, only the value
of gamma change and not the brightness ?
display actually becomes much clearer but this is due to gamma or
brightness ?
That is the question.
Thanks.
See you.
xrandr --output HDMI2 --brightness 1.20
xrandr --verbose report:
...
HDMI2 connected 1920x1080+0+0 (0x4a) normal (normal left inverted right
x axis y axis) 160mm x 90mm
Identifier: 0x46
Timestamp: 1071203
Subpixel: unknown
Gamma: 0.75:0.75:0.75
Brightness: 1.0
Clones:
CRTC: 1
CRTCs: 0 1 2
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
...
I use latest xf86-video-intel devel from today
xrandr 1.4.1
kernel 3.12.4
lspci -vxxx -s 0:02.0
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd
Gen Core processor Graphics Controller (rev 09) (prog-if 00 [VGA
controller])
Subsystem: Micro-Star International Co., Ltd. Device 2111
Flags: bus master, fast devsel, latency 0, IRQ 43
Memory at f7800000 (64-bit, non-prefetchable) [size=4M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
I/O ports at f000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 2
Capabilities: [a4] PCI Advanced Features
Kernel driver in use: i915
Kernel modules: i915
00: 86 80 52 01 07 04 90 00 09 00 00 03 00 00 00 00
10: 04 00 80 f7 00 00 00 00 0c 00 00 e0 00 00 00 00
20: 01 f0 00 00 00 00 00 00 00 00 00 00 62 14 11 21
30: 00 00 00 00 90 00 00 00 00 00 00 00 0b 01 00 00
40: 09 00 0c 01 92 80 80 e2 d0 00 50 14 00 00 00 00
50: 41 02 00 00 11 00 00 00 00 00 00 00 01 00 a0 cf
60: 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 05 d0 01 00 0c f0 e0 fe c1 41 00 00 00 00 00 00
a0: 00 00 00 00 13 00 06 03 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 01 a4 22 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 00 00 09 00 18 60 43 cd
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