Вот короче выхлоп proptest:
trying to open device 'i915'...done
Connector 95 (eDP-1)
1 EDID:
flags: immutable blob
blobs:
value:
00ffffffffffff004d10ac1400000000
101d0104a51f11780ede50a3544c9926
0f505400000001010101010101010101
0101010101011a3680a070381e403020
350035ae100000181a3680a070383341
3020350035ae10000018000000fe0057
4e4a3548804c513134304d3100000000
000241031e001200000a010a202000e2
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 3
5 link-status:
flags: enum
enums: Good=0 Bad=1
value: 0
6 non-desktop:
flags: immutable range
values: 0 1
value: 0
4 TILE:
flags: immutable blob
blobs:
value:
96 panel orientation:
flags: immutable enum
enums: Normal=0 Upside Down=1 Left Side Up=2 Right Side Up=3
value: 0
98 Broadcast RGB:
flags: enum
enums: Automatic=0 Full=1 Limited 16:235=2
value: 1
99 max bpc:
flags: range
values: 6 12
value: 12
100 Colorspace:
flags: enum
enums: Default=0 RGB_Wide_Gamut_Fixed_Point=13 RGB_Wide_Gamut_Floating_Point=14 opRGB=7 DCI-P3_RGB_D65=11 BT2020_RGB=9 BT601_YCC=15 BT709_YCC=2 XVYCC_601=3 XVYCC_709=4 SYCC_601=5 opYCC_601=6 BT2020_CYCC=8 BT2020_YCC=10
value: 0
101 scaling mode:
flags: enum
enums: Full=1 Center=2 Full aspect=3
value: 3
Connector 103 (DP-1)
1 EDID:
flags: immutable blob
blobs:
value:
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 3
5 link-status:
flags: enum
enums: Good=0 Bad=1
value: 0
6 non-desktop:
flags: immutable range
values: 0 1
value: 0
4 TILE:
flags: immutable blob
blobs:
value:
107 subconnector:
flags: immutable enum
enums: Unknown=0 VGA=1 DVI-D=3 HDMI=11 DP=10 Wireless=18 Native=15
value: 0
108 audio:
flags: enum
enums: force-dvi=18446744073709551614 off=18446744073709551615 auto=0 on=1
value: 0
98 Broadcast RGB:
flags: enum
enums: Automatic=0 Full=1 Limited 16:235=2
value: 0
109 max bpc:
flags: range
values: 6 12
value: 12
110 Colorspace:
flags: enum
enums: Default=0 RGB_Wide_Gamut_Fixed_Point=13 RGB_Wide_Gamut_Floating_Point=14 opRGB=7 DCI-P3_RGB_D65=11 BT2020_RGB=9 BT601_YCC=15 BT709_YCC=2 XVYCC_601=3 XVYCC_709=4 SYCC_601=5 opYCC_601=6 BT2020_CYCC=8 BT2020_YCC=10
value: 0
111 Content Protection:
flags: enum
enums: Undesired=0 Desired=1 Enabled=2
value: 0
112 HDCP Content Type:
flags: enum
enums: HDCP Type0=0 HDCP Type1=1
value: 0
Connector 113 (HDMI-A-1)
1 EDID:
flags: immutable blob
blobs:
value:
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 3
5 link-status:
flags: enum
enums: Good=0 Bad=1
value: 0
6 non-desktop:
flags: immutable range
values: 0 1
value: 0
4 TILE:
flags: immutable blob
blobs:
value:
108 audio:
flags: enum
enums: force-dvi=18446744073709551614 off=18446744073709551615 auto=0 on=1
value: 0
98 Broadcast RGB:
flags: enum
enums: Automatic=0 Full=1 Limited 16:235=2
value: 0
114 aspect ratio:
flags: enum
enums: Automatic=0 4:3=1 16:9=2
value: 0
115 Colorspace:
flags: enum
enums: Default=0 SMPTE_170M_YCC=1 BT709_YCC=2 XVYCC_601=3 XVYCC_709=4 SYCC_601=5 opYCC_601=6 opRGB=7 BT2020_CYCC=8 BT2020_RGB=9 BT2020_YCC=10 DCI-P3_RGB_D65=11 DCI-P3_RGB_Theater=12
value: 0
116 content type:
flags: enum
enums: No Data=0 Graphics=1 Photo=2 Cinema=3 Game=4
value: 0
117 max bpc:
flags: range
values: 8 12
value: 12
111 Content Protection:
flags: enum
enums: Undesired=0 Desired=1 Enabled=2
value: 0
112 HDCP Content Type:
flags: enum
enums: HDCP Type0=0 HDCP Type1=1
value: 0
Connector 119 (DP-2)
1 EDID:
flags: immutable blob
blobs:
value:
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 3
5 link-status:
flags: enum
enums: Good=0 Bad=1
value: 0
6 non-desktop:
flags: immutable range
values: 0 1
value: 0
4 TILE:
flags: immutable blob
blobs:
value:
107 subconnector:
flags: immutable enum
enums: Unknown=0 VGA=1 DVI-D=3 HDMI=11 DP=10 Wireless=18 Native=15
value: 0
108 audio:
flags: enum
enums: force-dvi=18446744073709551614 off=18446744073709551615 auto=0 on=1
value: 0
98 Broadcast RGB:
flags: enum
enums: Automatic=0 Full=1 Limited 16:235=2
value: 0
123 max bpc:
flags: range
values: 6 12
value: 12
124 Colorspace:
flags: enum
enums: Default=0 RGB_Wide_Gamut_Fixed_Point=13 RGB_Wide_Gamut_Floating_Point=14 opRGB=7 DCI-P3_RGB_D65=11 BT2020_RGB=9 BT601_YCC=15 BT709_YCC=2 XVYCC_601=3 XVYCC_709=4 SYCC_601=5 opYCC_601=6 BT2020_CYCC=8 BT2020_YCC=10
value: 0
111 Content Protection:
flags: enum
enums: Undesired=0 Desired=1 Enabled=2
value: 0
112 HDCP Content Type:
flags: enum
enums: HDCP Type0=0 HDCP Type1=1
value: 0
Connector 125 (HDMI-A-2)
1 EDID:
flags: immutable blob
blobs:
value:
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 3
5 link-status:
flags: enum
enums: Good=0 Bad=1
value: 0
6 non-desktop:
flags: immutable range
values: 0 1
value: 0
4 TILE:
flags: immutable blob
blobs:
value:
108 audio:
flags: enum
enums: force-dvi=18446744073709551614 off=18446744073709551615 auto=0 on=1
value: 0
98 Broadcast RGB:
flags: enum
enums: Automatic=0 Full=1 Limited 16:235=2
value: 0
114 aspect ratio:
flags: enum
enums: Automatic=0 4:3=1 16:9=2
value: 0
126 Colorspace:
flags: enum
enums: Default=0 SMPTE_170M_YCC=1 BT709_YCC=2 XVYCC_601=3 XVYCC_709=4 SYCC_601=5 opYCC_601=6 opRGB=7 BT2020_CYCC=8 BT2020_RGB=9 BT2020_YCC=10 DCI-P3_RGB_D65=11 DCI-P3_RGB_Theater=12
value: 0
116 content type:
flags: enum
enums: No Data=0 Graphics=1 Photo=2 Cinema=3 Game=4
value: 0
127 max bpc:
flags: range
values: 8 12
value: 12
111 Content Protection:
flags: enum
enums: Undesired=0 Desired=1 Enabled=2
value: 0
112 HDCP Content Type:
flags: enum
enums: HDCP Type0=0 HDCP Type1=1
value: 0
Connector 131 (DP-3)
1 EDID:
flags: immutable blob
blobs:
value:
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 0
5 link-status:
flags: enum
enums: Good=0 Bad=1
value: 0
6 non-desktop:
flags: immutable range
values: 0 1
value: 0
4 TILE:
flags: immutable blob
blobs:
value:
3 PATH:
flags: immutable blob
blobs:
value:
6d73743a3130332d3100
4 TILE:
flags: immutable blob
blobs:
value:
108 audio:
flags: enum
enums: force-dvi=18446744073709551614 off=18446744073709551615 auto=0 on=1
value: 0
98 Broadcast RGB:
flags: enum
enums: Automatic=0 Full=1 Limited 16:235=2
value: 0
111 Content Protection:
flags: enum
enums: Undesired=0 Desired=1 Enabled=2
value: 0
112 HDCP Content Type:
flags: enum
enums: HDCP Type0=0 HDCP Type1=1
value: 0
109 max bpc:
flags: range
values: 6 12
value: 12
Connector 128 (DP-4)
1 EDID:
flags: immutable blob
blobs:
value:
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0b1d0104a5351e783eee95a3544c9926
0f5054a54b00714f8180a9c0d1c00101
010101010101023a801871382d40582c
45000f282100001e000000ff00384234
524c53320a2020202020000000fc0044
454c4c20553234313948430a000000fd
00384c1e5311010a202020202020014d
02031cf14f9005040302071601061112
1513141f23097f0783010000023a8018
71382d40582c45000f282100001e011d
8018711c1620582c25000f282100009e
011d007251d01e206e2855000f282100
001e8c0ad08a20e02d10103e96000f28
21000018000000000000000000000000
00000000000000000000000000000017
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 0
5 link-status:
flags: enum
enums: Good=0 Bad=1
value: 0
6 non-desktop:
flags: immutable range
values: 0 1
value: 0
4 TILE:
flags: immutable blob
blobs:
value:
3 PATH:
flags: immutable blob
blobs:
value:
6d73743a3130332d312d3800
4 TILE:
flags: immutable blob
blobs:
value:
108 audio:
flags: enum
enums: force-dvi=18446744073709551614 off=18446744073709551615 auto=0 on=1
value: 0
98 Broadcast RGB:
flags: enum
enums: Automatic=0 Full=1 Limited 16:235=2
value: 0
111 Content Protection:
flags: enum
enums: Undesired=0 Desired=1 Enabled=2
value: 0
112 HDCP Content Type:
flags: enum
enums: HDCP Type0=0 HDCP Type1=1
value: 0
109 max bpc:
flags: range
values: 6 12
value: 12
Connector 137 (DP-5)
1 EDID:
flags: immutable blob
blobs:
value:
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 0
5 link-status:
flags: enum
enums: Good=0 Bad=1
value: 0
6 non-desktop:
flags: immutable range
values: 0 1
value: 0
4 TILE:
flags: immutable blob
blobs:
value:
3 PATH:
flags: immutable blob
blobs:
value:
6d73743a3130332d312d3100
4 TILE:
flags: immutable blob
blobs:
value:
108 audio:
flags: enum
enums: force-dvi=18446744073709551614 off=18446744073709551615 auto=0 on=1
value: 0
98 Broadcast RGB:
flags: enum
enums: Automatic=0 Full=1 Limited 16:235=2
value: 0
111 Content Protection:
flags: enum
enums: Undesired=0 Desired=1 Enabled=2
value: 0
112 HDCP Content Type:
flags: enum
enums: HDCP Type0=0 HDCP Type1=1
value: 0
109 max bpc:
flags: range
values: 6 12
value: 12
CRTC 51
24 VRR_ENABLED:
flags: range
values: 0 1
value: 0
25 DEGAMMA_LUT:
flags: blob
blobs:
value:
26 DEGAMMA_LUT_SIZE:
flags: immutable range
values: 0 4294967295
value: 1024
27 CTM:
flags: blob
blobs:
value:
28 GAMMA_LUT:
flags: blob
blobs:
value:
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29 GAMMA_LUT_SIZE:
flags: immutable range
values: 0 4294967295
value: 1024
CRTC 72
24 VRR_ENABLED:
flags: range
values: 0 1
value: 0
25 DEGAMMA_LUT:
flags: blob
blobs:
value:
26 DEGAMMA_LUT_SIZE:
flags: immutable range
values: 0 4294967295
value: 1024
27 CTM:
flags: blob
blobs:
value:
28 GAMMA_LUT:
flags: blob
blobs:
value:
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29 GAMMA_LUT_SIZE:
flags: immutable range
values: 0 4294967295
value: 1024
CRTC 93
24 VRR_ENABLED:
flags: range
values: 0 1
value: 0
25 DEGAMMA_LUT:
flags: blob
blobs:
value:
26 DEGAMMA_LUT_SIZE:
flags: immutable range
values: 0 4294967295
value: 1024
27 CTM:
flags: blob
blobs:
value:
28 GAMMA_LUT:
flags: blob
blobs:
value:
29 GAMMA_LUT_SIZE:
flags: immutable range
values: 0 4294967295
value: 1024
Как можно увидеть, для встроенного дисплея всё выставилось нормально. А для внешнего нет. Делаю я вот так:
#!/bin/sh
/usr/bin/proptest -M i915 -D /dev/dri/card1 95 connector 98 1
/usr/bin/proptest -M i915 -D /dev/dri/card1 103 connector 98 1
/usr/bin/proptest -M i915 -D /dev/dri/card1 113 connector 98 1
/usr/bin/proptest -M i915 -D /dev/dri/card1 119 connector 98 1
/usr/bin/proptest -M i915 -D /dev/dri/card1 125 connector 98 1
/usr/bin/proptest -M i915 -D /dev/dri/card1 129 connector 98 1
/usr/bin/proptest -M i915 -D /dev/dri/card1 130 connector 98 1
/usr/bin/proptest -M i915 -D /dev/dri/card1 137 connector 98 1
Пробовал и от рута этот скрипт запускать, это не помогло.
А чип у меня вот этот, если это на что-нибудь влияет:
00:02.0 VGA compatible controller: Intel Corporation CometLake-U GT2 [UHD Graphics] (rev 02) (prog-if 00 [VGA controller])
DeviceName: Onboard - Video
Subsystem: Dell Device 09a0
Flags: bus master, fast devsel, latency 0, IRQ 141, IOMMU group 1
Memory at cb000000 (64-bit, non-prefetchable) [size=16M]
Memory at 80000000 (64-bit, prefetchable) [size=256M]
I/O ports at 3000 [size=64]
Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
Так и вопрос, а почему для внешнего дисплея это может не работать?