There is no diference between this two modes. xrandr --output LVDS --set "scaling mode" "Full aspect" xrandr --output LVDS --set "scaling mode" "Full" Both of them working like "Full" scaling mode. VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RC410M [Mobility Radeon Xpress 200M] xrandr --prop Screen 0: minimum 320 x 200, current 1280 x 800, maximum 4096 x 4096 VGA-0 disconnected (normal left inverted right x axis y axis) load detection: 1 range: (0, 1) LVDS connected 1280x800+0+0 (normal left inverted right x axis y axis) 331mm x 207mm EDID: 00ffffffffffff0044934b0000000000 000f0103802115780a4dc0935c518827 21505400000001010101010101010101 010101010101ea1a0080502010301520 44004bcf100000180000000f0008002a 0001000400324a041402000000fe0051 55414e5441444953504c4159000000fe 0051443135544c3032360a2020200084 scaling mode: Full supported: None, Full, Center, Full aspect 1280x800 59.97*+ 1280x720 59.86 1152x768 59.78 1024x768 59.92 800x600 59.86 848x480 59.66 720x480 59.71 640x480 59.38 xrandr --prop Screen 0: minimum 320 x 200, current 1280 x 800, maximum 4096 x 4096 VGA-0 disconnected (normal left inverted right x axis y axis) load detection: 1 range: (0, 1) LVDS connected 1280x800+0+0 (normal left inverted right x axis y axis) 331mm x 207mm EDID: 00ffffffffffff0044934b0000000000 000f0103802115780a4dc0935c518827 21505400000001010101010101010101 010101010101ea1a0080502010301520 44004bcf100000180000000f0008002a 0001000400324a041402000000fe0051 55414e5441444953504c4159000000fe 0051443135544c3032360a2020200084 scaling mode: Full aspect supported: None, Full, Center, Full aspect 1280x800 59.97*+ 1280x720 59.86 1152x768 59.78 1024x768 59.92 800x600 59.86 848x480 59.66 720x480 59.71 640x480 59.38 xrandr -v xrandr program version 1.4.3 Server reports RandR version 1.4
Full aspect mode isn't implemented yet in the radeon kernel driver for pre-R(V)5xx GPUs.
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