<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1437430846751_23330"> </div><div>The multi-GPU prime stuff doesn't work with an xorg config. It only works if you let X autoconfigure the GPUs. I think there were x server patches at one point to allow this, but I'm not sure if they ever made it upstream. </div><div> </div><div>Alex</div> <div id="yui_3_16_0_1_1437430846751_23317" class="qtdSeparateBR"> </div><div style="display: block;" id="yui_3_16_0_1_1437430846751_23304" class="yahoo_quoted"> <div id="yui_3_16_0_1_1437430846751_23303" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_1_1437430846751_23302" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_1_1437430846751_23313" dir="ltr"> On Friday, July 17, 2015 1:57 PM, Alexandr Gluzskiy <sss@sss.chaoslab.ru> wrote: </div> <blockquote id="yui_3_16_0_1_1437430846751_23301" style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; margin-top: 5px; padding-left: 5px;"> <div id="yui_3_16_0_1_1437430846751_23320" class="y_msg_container">Good day to all. i have question about xrandr render offloading feature i have multihead setup: xrandr Screen 0: minimum 320 x 200, current 5120 x 1200, maximum 16384 x 16384 DisplayPort-0 connected 1920x1200+1280+0 (normal left inverted right x axis y axis) 518mm x 324mm 1920x1200 59.95*+ 1920x1080 59.99 1600x1200 60.00 1680x1050 59.95 1600x900 59.98 1280x1024 60.02 1440x900 59.89 1280x800 59.81 1280x720 59.97 1024x768 60.00 800x600 60.32 640x480 60.00 HDMI-0 connected 1920x1080+3200+0 (normal left inverted right x axis y axis) 510mm x 290mm 1920x1080 60.00*+ 50.00 59.94 1920x1080i 60.00 50.00 59.94 1680x1050 59.88 1280x1024 60.02 1280x960 60.00 1152x864 59.97 1280x720 60.00 50.00 59.94 1024x768 60.00 800x600 60.32 720x576 50.00 720x480 60.00 59.94 640x480 60.00 59.94 DVI-0 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 338mm x 270mm 1280x1024 60.02*+ 75.02 1280x960 60.00 1152x864 75.00 1024x768 75.08 70.07 60.00 832x624 74.55 800x600 72.19 75.00 60.32 56.25 640x480 75.00 72.81 66.67 60.00 720x400 70.08 have one screen in X: cat /etc/X11/xorg.conf Section "ServerFlags" Option "BlankTime" "10" Option "StandbyTime" "20" Option "SuspendTime" "30" Option "DontZap" "true" Option "DRI2" "true" Option "DRI3" "false" Option "IgnoreABI" "false" Option "AutoAddDevices" "true" Option "AutoEnableDevices" "true" Option "AllowGLXWithComposite" "true" Option "AllowMouseOpenFail" "true" Option "Clone" "off" Option "AIGLX" "on" ## Option "Pixmap" "32" Option "Xinerama" "false" EndSection Section "Extensions" Option "Composite" "Enable" # Option "DAMAGE" "Enable" # Option "DOUBLE-BUFFER" "Enable" # Option "GLX" "Enable" # Option "RANDR" "Enable" Option "RENDER" "Enable" # Option "XVideo" "Enable" # Option "MIT-SHM" "Enable" # Option "DPMS" "Enable" EndSection Section "Module" # Load "dri2" # Load "dri3" # Load "glamoregl" SubSection "extmod" Option "omit XFree86-DGA" EndSubSection EndSection Section "Monitor" Identifier "DVI-0" Option "PreferredMode" "1280x1024" EndSection Section "Monitor" Identifier "DisplayPort-0" Option "PreferredMode" "1920x1200" Option "Primary" "true" EndSection Section "Monitor" Identifier "HDMI-0" Option "PreferredMode" "1920x1080" EndSection Section "Device" Identifier "card1" Driver "radeon" # Option "EnablePageFlip" "false" # Option "Accel" "on" Option "DRI3" "off" BusID "PCI:1:0:0" EndSection Section "Device" Identifier "card2" Driver "radeon" # Option "EnablePageFlip" "false" # Option "Accel" "off" Option "DRI3" "off" BusID "PCI:4:0:0" EndSection Section "Screen" Identifier "screen1" Device "card1" Monitor "DVI-0" Monitor "DisplayPort-0" Monitor "HDMI-0" DefaultDepth 24 SubSection "Display" Depth 24 Virtual 5120 1080 EndSubSection EndSection #Section "Screen" # Identifier "screen2" # Device "card2" # Monitor "DVI-1" # DefaultDepth 24 #EndSection Section "ServerLayout" Identifier "main_layout" Screen 0 "screen1" # Screen 1 "screen2" LeftOf "screen1" EndSection Section "dri" Mode 0666 EndSection and here i am not sure if i really need to write anything about second gpu in xorg.conf so, this all working fine and now i want to offload rendering to second gpu, for testing, for load balancing (first gpu have much greater temperature than second), so i starting to configure via xrandr, and stuck on first command: xrandr --listproviders Providers: number : 1 Provider 0: id: 0x58 cap: 0xf, Source Output, Sink Output, Source Offload, Sink Offload crtcs: 6 outputs: 3 associated providers: 0 name:radeon P.S. sorry for my bad english, it's not my native language _______________________________________________ xorg-driver-ati mailing list <a ymailto="mailto:xorg-driver-ati@lists.x.org" href="mailto:xorg-driver-ati@lists.x.org">xorg-driver-ati@lists.x.org</a> <a href="http://lists.x.org/mailman/listinfo/xorg-driver-ati" target="_blank">http://lists.x.org/mailman/listinfo/xorg-driver-ati</a> </div> </blockquote> </div> </div> </div></div></body></html>