Dear All: Recently I am using RandR1.3, I found a little confuse with RandR1.3 primary output definition.
What is this parameter for? I use the command xrandr --output VGA --primary I found if the VGA occupied the IGA2, after using the command line it occupied IGA1, see the info from xrandr --verbose Before command Screen 0: minimum 320 x 200, current 1024 x 768, maximum 2048 x 2048 VGA connected 1024x768+0+0 (0x3e) normal (normal left inverted right x axis y axis) 352mm x 264mm Identifier: 0x3a Timestamp: 584354 Subpixel: unknown Clones: CRTC: 0 CRTCs: 0 1 EDID_DATA: 00ffffffffffff005a63133501010101 320d01031d241bbe2abbb8a352469824 0f484cffff8081998159714f6159a94f c140c940d140863d00c05100304040a0 130060081100001e000000ff00333543 3033353030303238300a000000fd0032 b41e6118000a202020202020000000fc 00473930662b0a2020202020202000bb TV connected 1024x768+0+0 (0x49) normal (normal left inverted right x axis y axis) 0mm x 0mm Identifier: 0x3d Timestamp: 584354 Subpixel: unknown Clones: CRTC: 1 CRTCs: 0 1 After command Screen 0: minimum 320 x 200, current 1024 x 768, maximum 2048 x 2048 CRT connected 1024x768+0+0 (0x3e) normal (normal left inverted right x axis y axis) 352mm x 264mm Identifier: 0x3a Timestamp: 584354 Subpixel: unknown Clones: CRTC: 1 CRTCs: 1 0 EDID_DATA: 00ffffffffffff005a63133501010101 320d01031d241bbe2abbb8a352469824 0f484cffff8081998159714f6159a94f c140c940d140863d00c05100304040a0 130060081100001e000000ff00333543 3033353030303238300a000000fd0032 b41e6118000a202020202020000000fc 00473930662b0a2020202020202000bb TV connected 1024x768+0+0 (0x49) normal (normal left inverted right x axis y axis) 0mm x 0mm Identifier: 0x3d Timestamp: 584354 Subpixel: unknown Clones: CRTC: 0 CRTCs: 1 0 In my opinion, because the crtc is changed we need to redraw the screen, but actually the screen do not redraw, so I now is a little confused about the function of this command? what is the right behavior of the command? Thanks! Best Regards
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