[Intel-gfx] Interlaced mode on intel Clarkdale only colored stripes

Atechsystem Atechsystem at freenet.de
Mon Feb 13 18:06:05 CET 2012



I compiled the kernel from your git repro to test interlaced output with my
Clarkdale (H55) Chipset. After installing and reboot I put the interlaced
line to my xorg.conf and activate them (first by xorg.conf and after that by
lxdm resolution set tool). 

I only get a screen full of colored stripes after switching from progressive
to interlaced mode.  My  TV shows 1080i as input mode. After that I read all
mode lines from my TV by using the xorg server log and tried every
interlaced modeline I found but always the same striped screen. To get sure
that I use correct modelines I checked them with an plugged in card from
another brand and it works immediately.



-          Intel H55 Chipset with Core I5 661 and another one with Core I3
540 CPU

-          HDMI and VGA connected to my TV (VGA didn't show any screen with
x and interlaced modes)

-          Samsung LE32A557 TV  



-          Arch Linux with your kernel 3.3.0 rc1 (compiled yesterday)

-          xorg-server 1.11.3-1 

-          xf86-video-intel 2.17.0-2 


@list: Anyone with Clarkdale and running interlaced  mode?


Thanks and best regards


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