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Radeon HD 7870 and Dual Screen

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  • Radeon HD 7870 and Dual Screen

    Hello ladies and gents,

    I try since few days to configure a dual screen for my distro.
    At least, it doesn't works , my second screen is always black.

    I have a Radeon HD 7870 (Sapphire) and i've installed the opensource drivers xf86-video-ati.
    I use awesome 3 as window manager.
    My first screen is plug on HDMI on HDMI-0 (it's a ViewSonic 24" in 1920x1080_60)

    My second screen is plug on DVI on DVI-1 (it's a Samsung SyncMaster 24" in 1920x1080_60)

    Both of them works fine in standalone.
    And both of them works fine together during the boot and the system choice (syslinux).
    After the choice, black out for my second screen.

    I've done lot of tries. Without any success.

    I tried to use xrandr :
    Code:
    xrandr --output DVI-1 --mode 1920x1080 --pos 1920x0 --output HDMI-0 --mode 1920x1080 --pos 0x0 --verbose
    The second screen is always black et xrandr returns :
    Code:
    crtc 0:    1920x1080   60.0 +0+0 "HDMI-0"
    crtc 1:    1920x1080   60.0 +1920+0 "DVI-1"
    Same result with arandr

    For information :
    Code:
    xrandr -q --verbose
    returns :

    Code:
    Screen 0: minimum 320 x 200, current 3840 x 1080, maximum 16384 x 16384
    DisplayPort-0 disconnected (normal left inverted right x axis y axis)
    	Identifier: 0x45
    	Timestamp:  107196
    	Subpixel:   horizontal rgb
    	Clones:    
    	CRTCs:      0 1 2 3 4 5
    	Transform:  1.000000 0.000000 0.000000
    	            0.000000 1.000000 0.000000
    	            0.000000 0.000000 1.000000
    	           filter: 
    	underscan vborder: 0 
    		range: (0, 128)
    	underscan hborder: 0 
    		range: (0, 128)
    	underscan: off 
    		supported: offonauto
    	coherent: 1 
    		range: (0, 1)
    HDMI-0 connected 1920x1080+0+0 (0x4a) normal (normal left inverted right x axis y axis) 520mm x 290mm
    	Identifier: 0x46
    	Timestamp:  107196
    	Subpixel:   horizontal rgb
    	Gamma:      1.0:1.0:1.0
    	Brightness: 1.0
    	Clones:    
    	CRTC:       0
    	CRTCs:      0 1 2 3 4 5
    	Transform:  1.000000 0.000000 0.000000
    	            0.000000 1.000000 0.000000
    	            0.000000 0.000000 1.000000
    	           filter: 
    	EDID: 
    		00ffffffffffff005a632a7d01010101
    		2916010380341d782e2ac5a4564f9e28
    		0f5054bfef80b300a940950090408180
    		8140714f0101023a801871382d40582c
    		450008222100001e000000ff00535848
    		3132343130303632380a000000fd0032
    		4c0f5312000a202020202020000000fc
    		00565832343630205345524945530185
    		020322f14f900504030207061f141312
    		1116150123091f078301000065030c00
    		2000023a801871382d40582c45000822
    		2100001e011d8018711c1620582c2500
    		08222100009e011d007251d01e206e28
    		550008222100001e8c0ad08a20e02d10
    		103e9600082221000018023a80d07238
    		2d40102c458008222100001e00000004
    	underscan vborder: 0 
    		range: (0, 128)
    	underscan hborder: 0 
    		range: (0, 128)
    	underscan: off 
    		supported: offonauto
    	coherent: 1 
    		range: (0, 1)
      1920x1080 (0x4a)  148.5MHz +HSync +VSync *current +preferred
            h: width  1920 start 2008 end 2052 total 2200 skew    0 clock   67.5KHz
            v: height 1080 start 1084 end 1089 total 1125           clock   60.0Hz
      1920x1080 (0x4b)  148.5MHz +HSync +VSync
            h: width  1920 start 2448 end 2492 total 2640 skew    0 clock   56.2KHz
            v: height 1080 start 1084 end 1089 total 1125           clock   50.0Hz
      1920x1080i (0x4c)   74.2MHz +HSync +VSync Interlace
            h: width  1920 start 2448 end 2492 total 2640 skew    0 clock   28.1KHz
            v: height 1080 start 1084 end 1094 total 1125           clock   50.0Hz
      1920x1080i (0x4d)   74.2MHz +HSync +VSync Interlace
            h: width  1920 start 2008 end 2052 total 2200 skew    0 clock   33.8KHz
            v: height 1080 start 1084 end 1094 total 1125           clock   60.1Hz
      1600x1200 (0x4e)  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 (0x4f)  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
      1400x1050 (0x50)  101.0MHz +HSync -VSync
            h: width  1400 start 1448 end 1480 total 1560 skew    0 clock   64.7KHz
            v: height 1050 start 1053 end 1057 total 1080           clock   59.9Hz
      1280x1024 (0x51)  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 (0x52)  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 (0x53)   88.8MHz +HSync -VSync
            h: width  1440 start 1488 end 1520 total 1600 skew    0 clock   55.5KHz
            v: height  900 start  903 end  909 total  926           clock   59.9Hz
      1280x960 (0x54)  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
      1152x864 (0x55)  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
      1280x720 (0x56)   74.2MHz +HSync +VSync
            h: width  1280 start 1720 end 1760 total 1980 skew    0 clock   37.5KHz
            v: height  720 start  725 end  730 total  750           clock   50.0Hz
      1280x720 (0x57)   74.2MHz +HSync +VSync
            h: width  1280 start 1390 end 1430 total 1650 skew    0 clock   45.0KHz
            v: height  720 start  725 end  730 total  750           clock   60.0Hz
      1440x576i (0x58)   27.0MHz -HSync -VSync Interlace
            h: width  1440 start 1464 end 1590 total 1728 skew    0 clock   15.6KHz
            v: height  576 start  580 end  586 total  625           clock   50.1Hz
      1024x768 (0x59)   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 (0x5a)   75.0MHz -HSync -VSync
            h: width  1024 start 1048 end 1184 total 1328 skew    0 clock   56.5KHz
            v: height  768 start  771 end  777 total  806           clock   70.1Hz
      1024x768 (0x5b)   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
      1440x480i (0x5c)   27.0MHz -HSync -VSync Interlace
            h: width  1440 start 1478 end 1602 total 1716 skew    0 clock   15.7KHz
            v: height  480 start  488 end  494 total  525           clock   60.1Hz
      832x624 (0x5d)   57.3MHz -HSync -VSync
            h: width   832 start  864 end  928 total 1152 skew    0 clock   49.7KHz
            v: height  624 start  625 end  628 total  667           clock   74.6Hz
      800x600 (0x5e)   50.0MHz +HSync +VSync
            h: width   800 start  856 end  976 total 1040 skew    0 clock   48.1KHz
            v: height  600 start  637 end  643 total  666           clock   72.2Hz
      800x600 (0x5f)   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 (0x60)   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 (0x61)   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
      720x576 (0x62)   27.0MHz -HSync -VSync
            h: width   720 start  732 end  796 total  864 skew    0 clock   31.2KHz
            v: height  576 start  581 end  586 total  625           clock   50.0Hz
      720x480 (0x63)   27.0MHz -HSync -VSync
            h: width   720 start  736 end  798 total  858 skew    0 clock   31.5KHz
            v: height  480 start  489 end  495 total  525           clock   59.9Hz
      640x480 (0x64)   31.5MHz -HSync -VSync
            h: width   640 start  664 end  704 total  832 skew    0 clock   37.9KHz
            v: height  480 start  489 end  491 total  520           clock   72.8Hz
      640x480 (0x65)   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 (0x66)   30.2MHz -HSync -VSync
            h: width   640 start  704 end  768 total  864 skew    0 clock   35.0KHz
            v: height  480 start  483 end  486 total  525           clock   66.7Hz
      640x480 (0x67)   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
      640x480 (0x68)   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
      720x400 (0x69)   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
    DVI-0 disconnected (normal left inverted right x axis y axis)
    	Identifier: 0x47
    	Timestamp:  107196
    	Subpixel:   horizontal rgb
    	Clones:    
    	CRTCs:      0 1 2 3 4 5
    	Transform:  1.000000 0.000000 0.000000
    	            0.000000 1.000000 0.000000
    	            0.000000 0.000000 1.000000
    	           filter: 
    	load detection: 1 
    		range: (0, 1)
    	underscan vborder: 0 
    		range: (0, 128)
    	underscan hborder: 0 
    		range: (0, 128)
    	underscan: off 
    		supported: offonauto
    	coherent: 1 
    		range: (0, 1)
    DVI-1 connected 1920x1080+1920+0 (0x4a) normal (normal left inverted right x axis y axis) 530mm x 300mm
    	Identifier: 0x48
    	Timestamp:  107196
    	Subpixel:   horizontal rgb
    	Gamma:      1.0:1.0:1.0
    	Brightness: 1.0
    	Clones:    
    	CRTC:       1
    	CRTCs:      0 1 2 3 4 5
    	Transform:  1.000000 0.000000 0.000000
    	            0.000000 1.000000 0.000000
    	            0.000000 0.000000 1.000000
    	           filter: 
    	EDID: 
    		00ffffffffffff004c2dcc053432524c
    		0714010380351e782a6041a6564a9c25
    		1250542308008100814081809500a940
    		b30001010101023a801871382d40582c
    		4500122c2100001e000000fd00383c1e
    		5111000a202020202020000000fc0053
    		796e634d61737465720a2020000000ff
    		0048394d5a3230383438330a2020003f
    	load detection: 1 
    		range: (0, 1)
    	underscan vborder: 0 
    		range: (0, 128)
    	underscan hborder: 0 
    		range: (0, 128)
    	underscan: off 
    		supported: offonauto
    	coherent: 1 
    		range: (0, 1)
      1920x1080 (0x4a)  148.5MHz +HSync +VSync *current +preferred
            h: width  1920 start 2008 end 2052 total 2200 skew    0 clock   67.5KHz
            v: height 1080 start 1084 end 1089 total 1125           clock   60.0Hz
      1600x1200 (0x4e)  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 (0x4f)  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
      1280x1024 (0x52)  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 (0x53)   88.8MHz +HSync -VSync
            h: width  1440 start 1488 end 1520 total 1600 skew    0 clock   55.5KHz
            v: height  900 start  903 end  909 total  926           clock   59.9Hz
      1280x960 (0x54)  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
      1280x800 (0x6a)   71.0MHz +HSync -VSync
            h: width  1280 start 1328 end 1360 total 1440 skew    0 clock   49.3KHz
            v: height  800 start  803 end  809 total  823           clock   59.9Hz
      1024x768 (0x5b)   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 (0x60)   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 (0x61)   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 (0x67)   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
    And this is my Xorg.0.log file :
    http://pastebin.com/Ah79VBbV


    Here is the dmesg :
    http://pastebin.com/Jscw6y9i
    If it can help.


    Any help/idea would be great.

    Thanks.
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