Bug#585777: Radeon gamma bug, display too bright when using VGA output

[Andrew Rule]

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Hi,

I also have this problem.  It appeared for me when I upgraded from Xorg
1.7.x to Xorg 1.9.5

I am using
"ATI Radeon Mobility 9200 (M9+) 5C63 (AGP)" (ChipID = 0x5c63)
as X reports it, and
Linux amos 2.6.38.3 #2 SMP PREEMPT Sat Apr 16 22:03:19 BST 2011 i686
GNU/Linux
from kernel.org

I tried setting Gamma in /etc/X11/xorg.conf, but it didn't pick it up.
If I run xgamma after logging in to X, it *does* change the gamma - but
still not enough.  So I can set Gamma to 0.3 in the file, but if I set
it using xgamma, it actually darkens the screen somewhat - but it is
still not right.  Output from xgamma:
- -> Red  0.300, Green  0.300, Blue  0.300
<- Red  0.300, Green  0.300, Blue  0.300


I tried
radeontool regset DAC_MACRO_CNTL 0x00000808
but it didn't work for me.  (Perhaps that is not a surprise, I am using
a tower PC, not a laptop.)

Perhaps I should not mention this here, but X is also unstable for me
under KDE now, so I'm using sawfish for the time being.  Specifically,
it crashes when notifications popup in KDE.

Another problem I have noticed is that when scrolling a window under
another window, the contents of the lower window smudges.  O, and popup
hints from firefox come up in the wrong place for the search box.

And, as you can see from the attached files, I am not using KMS -
because I found that unstable since upgrading the kernel from 2.6.36.1
to 2.6.38.x (although previously the virtual terminals had not worked at
all, and now they do occasionally; but it was stable under X, now it is
not.)

Please ask further questions if you need.  I'm gonna try downgradeing X,
cos I'd like to have a screen I can look at pictures on :-)

Sincerely,

Andrew Rule

PS please tell me if I should open a new bug for some of this, I wasn't
sure.  But the gamma stuff seemed so similar I thought it might be the
same bug.

PPS: package versions:
firmware-linux/testing uptodate 0.29
libc6/testing uptodate 2.11.2-11
libdrm-radeon1/testing upgradeable from 2.4.23-3 to 2.4.24-2
libdrm2/testing upgradeable from 2.4.23-3 to 2.4.24-2
libpciaccess0/testing uptodate 0.12.1-1
libpixman-1-0/testing uptodate 0.21.4-2
libudev0/testing upgradeable from 166-1 to 167-3
xserver-xorg-core/testing uptodate 2:1.9.5-1
xserver-xorg-video-radeon/testing uptodate 1:6.14.1-1

I upgraded to:
firmware-linux/testing uptodate 0.29
libc6/testing uptodate 2.11.2-11
libdrm-radeon1/testing uptodate 2.4.24-2
libdrm2/testing uptodate 2.4.24-2
libpciaccess0/testing uptodate 0.12.1-1
libpixman-1-0/testing uptodate 0.21.4-2
libudev0/testing upgradeable from 166-1 to 167-3
xserver-xorg-core/testing uptodate 2:1.9.5-1
xserver-xorg-video-radeon/testing uptodate 1:6.14.1-1

with no obvious change, certainly not to the gamma issue.
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