Mailinglist Archive: radeonhd (307 mails)

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[radeonhd] [Bug 19993] New: Radeon HD 2400, gamma set way too dim, yellowish
  • From: bugzilla-daemon@xxxxxxxxxxxxxxx
  • Date: Fri, 6 Feb 2009 08:21:09 -0800 (PST)
  • Message-id: <bug-19993-248@xxxxxxxxxxxxxxxxxxxxxxxxx/>
http://bugs.freedesktop.org/show_bug.cgi?id=19993

Summary: Radeon HD 2400, gamma set way too dim, yellowish
Product: xorg
Version: git
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Driver/radeonhd
AssignedTo: lverhaegen@xxxxxxx
ReportedBy: mradcliffe@xxxxxxxxxxxxx
QAContact: xorg-team@xxxxxxxxxxx


Created an attachment (id=22648)
--> (http://bugs.freedesktop.org/attachment.cgi?id=22648)
X.org.log r6xx-r7xx-master

I'm not sure if this is due to radeonhd or xrandr. Or maybe PEBKAC.

After building from git (xserver 1.6) and starting X both displays are too dim
and appear slightly yellow. The gamma is set to 1:1:1.

The 1.5.99.1 build I made (roughly October 31, 2008) did not have the issue.
Unfortunately I don't have that available anymore for testing.

I tried both radeonhd & drm master and r6xx-r7xx-support branches though I am
currently using r6xx-r7xx-support (9b291beaca8b06b086772f6e842d8be168386575,
Alex's commit from last night with little font corruption). Also I have tried
with AtomBIOS and without.

I'm not familiar with setting gamma via xrandr so I don't know the expected
results. If I try "xrandr --output DVI_I-2/digital --gamma
1.0001:1.0001:1.0001" both displays immediately brighten to almost white
(except gnome-terminal). Setting gamma to anything above 2:2:2 results in lots
of scrambled colors (except for high ranges where output is mostly black).

Setting gamma below 1:1:1, like .999:.999:.999, will slightly lighten the
display, but keep the yellowish tint.

xgamma has no effect (is this expected with xrandr 1.3?).

The xcursor is not effected. The white outline and black cursor seem to be set
to fff and 000 respectively (rgb).

Hardware:
* Radeon HD 2400 113-00SG1H07-00R-HT RV630XT PCIE 512M DDR3 DVI-I\VO\DVI-I
900M/830E
* Sony SDM-HS95P
* Acer AL1917W

The displays are currently cloned.


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