http://bugs.freedesktop.org/show_bug.cgi?id=15037
Summary: ColorTiling breaks when adding Interlaced modes with
xrandr
Product: xorg
Version: git
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Driver/Radeon
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
QAContact: [EMAIL PROTECTED]
on Radeon Mobility 7500, in an IBM T30 Thinkpad, 1024x768 LCD panel, if VGA
output is connected to RGB monitor with NTSC Interlaced timings, enabling the
output causes the LCD display to "scramble" with rectangular tiles.
Putting Option "ColorTiling" "false" in xorg.conf prevents this issue. A
recent Git commit did not resolve the issue.
to reproduce (doesn't require a monitor - no DDC is present):
xrandr --newmode NTSCi 14.318 768 784 848 910 483 484 492 525 Interlace -VSync
-HSync
xrandr --addmode VGA-0 NTSCi
xrandr --output VGA-0 --mode NTSCi
switching VGA-0 to a non-interlaced mode (NTSCp) restores the LCD display.
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