[Intel-gfx] Intel Driver and 4K video output

Lukas Hejtmanek xhejtman at ics.muni.cz
Mon Apr 27 04:19:01 PDT 2015


On Fri, Apr 24, 2015 at 02:15:09PM +0100, Chris Wilson wrote:
> Check panning afterwards? What does xrandr --verbose say before/after?

even with explicit:
xrandr --output eDP1 --off --fb 3840x2160 --panning 3840x2160

no luck.

looks like you need at least one outout that keeps fb/panning, disconnected
are not counted.

pitty I cannot use VIRTUAL1 for this purpose.

xrandr --verbose
Screen 0: minimum 8 x 8, current 3840 x 2160, maximum 32767 x 32767
eDP1 connected (normal left inverted right x axis y axis)
        Identifier: 0x43
        Timestamp:  308974
        Subpixel:   unknown
        Clones:    
        CRTCs:      0 1 2
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        EDID: 
                00ffffffffffff0030e4190400000000
                00170103a01f1178024295a15a579427
                0d505400000001010101010101010101
                010101010101e45c00a0a0a011503020
                230036ae1000001a0000000000000000
                00000000000000000000000000fe004c
                4720446973706c61790a2020000000fe
                004c503134305148312d5350423100bc
        BACKLIGHT: 852 
                range: (0, 852)
        Backlight: 852 
                range: (0, 852)
        scaling mode: Full aspect 
                supported: None, Full, Center, Full aspect
        Broadcast RGB: Automatic 
                supported: Automatic, Full, Limited 16:235
        audio: auto 
                supported: force-dvi, off, auto, on
  2560x1440 (0x4a)  237.8MHz +HSync -VSync +preferred
        h: width  2560 start 2608 end 2640 total 2720 skew    0 clock   87.4KHz
        v: height 1440 start 1442 end 1445 total 1457           clock   60.0Hz
  1920x1440 (0xdf)  234.0MHz -HSync +VSync
        h: width  1920 start 2048 end 2256 total 2600 skew    0 clock   90.0KHz
        v: height 1440 start 1441 end 1444 total 1500           clock   60.0Hz
  1856x1392 (0xe0)  218.3MHz -HSync +VSync
        h: width  1856 start 1952 end 2176 total 2528 skew    0 clock   86.4KHz
        v: height 1392 start 1393 end 1396 total 1439           clock   60.0Hz
  1792x1344 (0xe1)  204.8MHz -HSync +VSync
        h: width  1792 start 1920 end 2120 total 2448 skew    0 clock   83.7KHz
        v: height 1344 start 1345 end 1348 total 1394           clock   60.0Hz
  1920x1200 (0xe2)  154.0MHz +HSync -VSync
        h: width  1920 start 1968 end 2000 total 2080 skew    0 clock   74.0KHz
        v: height 1200 start 1203 end 1209 total 1235           clock   60.0Hz
  1920x1080 (0xe3)  138.5MHz +HSync -VSync
        h: width  1920 start 1968 end 2000 total 2080 skew    0 clock   66.6KHz
        v: height 1080 start 1083 end 1088 total 1111           clock   59.9Hz
  1600x1200 (0xe4)  162.0MHz +HSync +VSync
        h: width  1600 start 1664 end 1856 total 2160 skew    0 clock   75.0KHz
        v: height 1200 start 1201 end 1204 total 1250           clock   60.0Hz
  1680x1050 (0xe5)  146.2MHz -HSync +VSync
        h: width  1680 start 1784 end 1960 total 2240 skew    0 clock   65.3KHz
        v: height 1050 start 1053 end 1059 total 1089           clock   60.0Hz
  1680x1050 (0xe6)  119.0MHz +HSync -VSync
        h: width  1680 start 1728 end 1760 total 1840 skew    0 clock   64.7KHz
        v: height 1050 start 1053 end 1059 total 1080           clock   59.9Hz
  1600x1024 (0xe7)  103.1MHz +HSync +VSync
        h: width  1600 start 1600 end 1656 total 1664 skew    0 clock   62.0KHz
        v: height 1024 start 1024 end 1029 total 1030           clock   60.2Hz
  1400x1050 (0xe8)  122.0MHz +HSync +VSync
        h: width  1400 start 1488 end 1640 total 1880 skew    0 clock   64.9KHz
        v: height 1050 start 1052 end 1064 total 1082           clock   60.0Hz
  1280x1024 (0xe9)  108.0MHz +HSync +VSync
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock   64.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   60.0Hz
  1440x900 (0xea)  106.5MHz -HSync +VSync
        h: width  1440 start 1520 end 1672 total 1904 skew    0 clock   55.9KHz
        v: height  900 start  903 end  909 total  934           clock   59.9Hz
  1280x960 (0xeb)  108.0MHz +HSync +VSync
        h: width  1280 start 1376 end 1488 total 1800 skew    0 clock   60.0KHz
        v: height  960 start  961 end  964 total 1000           clock   60.0Hz
  1360x768 (0xec)   84.8MHz -HSync +VSync
        h: width  1360 start 1432 end 1568 total 1776 skew    0 clock   47.7KHz
        v: height  768 start  771 end  781 total  798           clock   59.8Hz
  1360x768 (0xed)   72.0MHz +HSync -VSync
        h: width  1360 start 1408 end 1440 total 1520 skew    0 clock   47.4KHz
        v: height  768 start  771 end  781 total  790           clock   60.0Hz
  1152x864 (0xee)   81.6MHz -HSync +VSync
        h: width  1152 start 1216 end 1336 total 1520 skew    0 clock   53.7KHz
        v: height  864 start  865 end  868 total  895           clock   60.0Hz
  1024x768 (0xef)   65.0MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock   48.4KHz
        v: height  768 start  771 end  777 total  806           clock   60.0Hz
  800x600 (0xf0)   40.0MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock   37.9KHz
        v: height  600 start  601 end  605 total  628           clock   60.3Hz
  800x600 (0xf1)   36.0MHz +HSync +VSync
        h: width   800 start  824 end  896 total 1024 skew    0 clock   35.2KHz
        v: height  600 start  601 end  603 total  625           clock   56.2Hz
  640x480 (0xf2)   25.2MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock   31.5KHz
        v: height  480 start  490 end  492 total  525           clock   59.9Hz
DP1 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x44
        Timestamp:  308974
        Subpixel:   unknown
        Clones:     HDMI1
        CRTCs:      0 1 2
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        Broadcast RGB: Automatic 
                supported: Automatic, Full, Limited 16:235
        audio: auto 
                supported: force-dvi, off, auto, on
DP1-8 connected 1920x2160+1920+0 (0xf5) normal (normal left inverted right x axis y axis) 527mm x 296mm
        Identifier: 0xf3
        Timestamp:  308974
        Subpixel:   unknown
        Gamma:      1.0:1.0:1.0
        Brightness: 1.0
        Clones:     DP1-9
        CRTC:       2
        CRTCs:      0 1 2
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        EDID: 
                00ffffffffffff0010ac9c404c363031
                13180104b5351e783a1df5ae4f35b325
                0d505400000001010101010101010101
                0101010101014d6c80a070703e803020
                3a000f282100001a000000ff00575752
                48433435383130364c0a000000fc0044
                454c4c20555032343134510a000000fd
                001d4b1f8c1e000a2020202020200138
                7012790000120016821010007f076f08
                000000000044454c9c404c3630310000
                00000000000000000000000000000000
                00000000000000000000000000000000
                00000000000000000000000000000000
                00000000000000000000000000000000
                00000000000000000000000000000000
                00000000000000000000000000001a90
        Broadcast RGB: Automatic 
                supported: Automatic, Full, Limited 16:235
        audio: auto 
                supported: force-dvi, off, auto, on
  1920x2160 (0xf5)  277.2MHz +HSync -VSync *current +preferred
        h: width  1920 start 1968 end 2000 total 2080 skew    0 clock  133.3KHz
        v: height 2160 start 2163 end 2173 total 2222           clock   60.0Hz
DP1-9 connected 1920x2160+0+0 (0xf5) normal (normal left inverted right x axis y axis) 527mm x 296mm
        Identifier: 0xf4
        Timestamp:  308974
        Subpixel:   unknown
        Gamma:      1.0:1.0:1.0
        Brightness: 1.0
        Clones:     DP1-8
        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: 
        EDID: 
                00ffffffffffff0010ac9c404c363031
                13180104b5351e783a1df5ae4f35b325
                0d5054a54b008100b300d100714fa940
                8180d1c001014d6c80a070703e803020
                3a000f282100001a000000ff00575752
                48433435383130364c0a000000fc0044
                454c4c20555032343134510a000000fd
                001d4b1f8c1e000a2020202020200116
                7012790000120016821000007f076f08
                000000000044454c9c404c3630310000
                00000000000000000000000000000000
                00000000000000000000000000000000
                00000000000000000000000000000000
                00000000000000000000000000000000
                00000000000000000000000000000000
                00000000000000000000000000002a90
        Broadcast RGB: Automatic 
                supported: Automatic, Full, Limited 16:235
        audio: auto 
                supported: force-dvi, off, auto, on
  1920x2160 (0xf5)  277.2MHz +HSync -VSync *current +preferred
        h: width  1920 start 1968 end 2000 total 2080 skew    0 clock  133.3KHz
        v: height 2160 start 2163 end 2173 total 2222           clock   60.0Hz
  1920x1200 (0xf6)  193.2MHz -HSync +VSync
        h: width  1920 start 2056 end 2256 total 2592 skew    0 clock   74.6KHz
        v: height 1200 start 1203 end 1209 total 1245           clock   59.9Hz
  1920x1080 (0xf7)  172.8MHz -HSync +VSync
        h: width  1920 start 2040 end 2248 total 2576 skew    0 clock   67.1KHz
        v: height 1080 start 1081 end 1084 total 1118           clock   60.0Hz
  1600x1200 (0xe4)  162.0MHz +HSync +VSync
        h: width  1600 start 1664 end 1856 total 2160 skew    0 clock   75.0KHz
        v: height 1200 start 1201 end 1204 total 1250           clock   60.0Hz
  1680x1050 (0xe5)  146.2MHz -HSync +VSync
        h: width  1680 start 1784 end 1960 total 2240 skew    0 clock   65.3KHz
        v: height 1050 start 1053 end 1059 total 1089           clock   60.0Hz
  1280x1024 (0xf8)  135.0MHz +HSync +VSync
        h: width  1280 start 1296 end 1440 total 1688 skew    0 clock   80.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   75.0Hz
  1280x1024 (0xe9)  108.0MHz +HSync +VSync
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock   64.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   60.0Hz
  1280x800 (0xf9)   83.5MHz +HSync -VSync
        h: width  1280 start 1352 end 1480 total 1680 skew    0 clock   49.7KHz
        v: height  800 start  803 end  809 total  831           clock   59.8Hz
  1152x864 (0xfa)  108.0MHz +HSync +VSync
        h: width  1152 start 1216 end 1344 total 1600 skew    0 clock   67.5KHz
        v: height  864 start  865 end  868 total  900           clock   75.0Hz
  1024x768 (0xfb)   78.8MHz +HSync +VSync
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock   60.1KHz
        v: height  768 start  769 end  772 total  800           clock   75.1Hz
  1024x768 (0xef)   65.0MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock   48.4KHz
        v: height  768 start  771 end  777 total  806           clock   60.0Hz
  800x600 (0xfc)   49.5MHz +HSync +VSync
        h: width   800 start  816 end  896 total 1056 skew    0 clock   46.9KHz
        v: height  600 start  601 end  604 total  625           clock   75.0Hz
  800x600 (0xf0)   40.0MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock   37.9KHz
        v: height  600 start  601 end  605 total  628           clock   60.3Hz
  640x480 (0xfd)   31.5MHz -HSync -VSync
        h: width   640 start  656 end  720 total  840 skew    0 clock   37.5KHz
        v: height  480 start  481 end  484 total  500           clock   75.0Hz
  640x480 (0xfe)   25.2MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock   31.5KHz
        v: height  480 start  490 end  492 total  525           clock   60.0Hz
  720x400 (0xff)   28.3MHz -HSync +VSync
        h: width   720 start  738 end  846 total  900 skew    0 clock   31.5KHz
        v: height  400 start  412 end  414 total  449           clock   70.1Hz
DP2 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x45
        Timestamp:  308974
        Subpixel:   unknown
        Clones:     HDMI2
        CRTCs:      0 1 2
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        Broadcast RGB: Automatic 
                supported: Automatic, Full, Limited 16:235
        audio: auto 
                supported: force-dvi, off, auto, on
HDMI1 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x46
        Timestamp:  308974
        Subpixel:   unknown
        Clones:     DP1
        CRTCs:      0 1 2
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        aspect ratio: Automatic 
                supported: Automatic, 4:3, 16:9
        Broadcast RGB: Automatic 
                supported: Automatic, Full, Limited 16:235
        audio: auto 
                supported: force-dvi, off, auto, on
HDMI2 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x47
        Timestamp:  308974
        Subpixel:   unknown
        Clones:     DP2
        CRTCs:      0 1 2
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        aspect ratio: Automatic 
                supported: Automatic, 4:3, 16:9
        Broadcast RGB: Automatic 
                supported: Automatic, Full, Limited 16:235
        audio: auto 
                supported: force-dvi, off, auto, on
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x48
        Timestamp:  308974
        Subpixel:   no subpixels
        Clones:    
        CRTCs:      3
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 


-- 
Lukáš Hejtmánek


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