Hi I have an old HDTV with 1080p and 720p. My 1080p display is alright but I want to use 720p only. However, I get a black screen when I force 1280x720 mode. My relevant lines in Xorg.0.log is included below. I notice that there are 2 different modes
[ 1730.971] (II) RADEON(0): Modeline "1280x720"x60.0 74.44 1280 1336 1472 1664 720 721 724 746 -hsync +vsync (44.7 kHz) [ 1730.971] (II) RADEON(0): Modeline "1280x720"x60.0 74.25 1280 1390 1430 1650 720 725 730 750 +hsync +vsync (45.0 kHz) My guess is that xserver-xorg-ati uses the first modeline which my HDTV doesn't support somehow. I also notice that the second modeline is the standard ATSC-720p. How do I force xorg to use this mode line instead of the first one ? They have the same name! Thanks Toan [ 1730.970] (II) RADEON(0): EDID (in hex): [ 1730.970] (II) RADEON(0): 00ffffffffffff0034acc13101010101 [ 1730.970] (II) RADEON(0): 11110103809051782a7bd1ae4c46a825 [ 1730.970] (II) RADEON(0): 0f5054210800d1c08bc0818081c066c0 [ 1730.970] (II) RADEON(0): 4bc001000100023a801871382d40582c [ 1730.970] (II) RADEON(0): 45009f295300001e011d801871382d40 [ 1730.970] (II) RADEON(0): 582c45009f295300001e000000fd003b [ 1730.970] (II) RADEON(0): 3d0f4411000a202020202020000000fc [ 1730.970] (II) RADEON(0): 004d455553505456390a202020200130 [ 1730.971] (II) RADEON(0): Printing probed modes for output HDMI-0 [ 1730.971] (II) RADEON(0): Modeline "1920x1080"x60.0 148.50 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync (67.5 kHz) [ 1730.971] (II) RADEON(0): Modeline "1920x1080"x24.0 74.25 1920 2558 2602 2750 1080 1084 1089 1125 +hsync +vsync (27.0 kHz) [ 1730.971] (II) RADEON(0): Modeline "1920x1080"x30.0 74.25 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync (33.8 kHz) [ 1730.971] (II) RADEON(0): Modeline "1280x1024"x60.0 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz) [ 1730.971] (II) RADEON(0): Modeline "1360x765"x59.8 84.50 1366 1432 1568 1776 765 767 772 795 -hsync +vsync (47.6 kHz) [ 1730.971] (II) RADEON(0): Modeline "1280x720"x60.0 74.44 1280 1336 1472 1664 720 721 724 746 -hsync +vsync (44.7 kHz) [ 1730.971] (II) RADEON(0): Modeline "1280x720"x60.0 74.25 1280 1390 1430 1650 720 725 730 750 +hsync +vsync (45.0 kHz) [ 1730.971] (II) RADEON(0): Modeline "1024x768"x60.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz) [ 1730.971] (II) RADEON(0): Modeline "1064x598"x60.0 50.84 1064 1104 1216 1368 598 599 602 619 -hsync +vsync (37.2 kHz) [ 1730.971] (II) RADEON(0): Modeline "800x600"x60.3 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz) [ 1730.971] (II) RADEON(0): Modeline "848x477"x60.0 31.32 848 864 952 1056 477 478 481 494 -hsync +vsync (29.7 kHz) [ 1730.971] (II) RADEON(0): Modeline "720x480"x59.9 27.00 720 736 798 858 480 489 495 525 -hsync -vsync (31.5 kHz) [ 1730.971] (II) RADEON(0): Modeline "640x480"x60.0 25.20 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz) _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
