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
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