http://bugs.freedesktop.org/show_bug.cgi?id=25394
Summary: [Display port] : Massive corruption observed on changing
the resolution on Display port
Product: Mesa
Version: git
Platform: x86 (IA32)
OS/Version: other
Status: NEW
Severity: major
Priority: high
Component: Drivers/DRI/R600
AssignedTo: [email protected]
ReportedBy: [email protected]
Created an attachment (id=31657)
--> (http://bugs.freedesktop.org/attachment.cgi?id=31657)
screenshot
Details of the X-stack:
----------------------
kernel :git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git
drm-radeon-dp branch
mesa - 7.8
xorg/xserver- 1.6.0
xf86-video-ati - git://git.freedesktop.org/git/xorg/driver/xf86-video-ati
displayport branch
ASIC-RV730 Pro
Steps to Reproduce:
======================
1) Below is the output of xrandr -q
Screen 0: minimum 320 x 200, current 1920 x 1200, maximum 1920 x 1920
HDMI-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-0 connected 1920x1200+0+0 (normal left inverted right x axis y
axis) 519mm x 320mm
1920x1200 60.0*+
1600x1200 60.0
1280x1024 75.0 60.0
1152x864 75.0
1024x768 75.0 60.0
800x600 75.0 60.3
640x480 75.0 59.9
720x400 70.1
DVI-0 disconnected (normal left inverted right x axis y axis)
2) Now change the resolution to 800x600 with
xrandr -output DisplayPort-0 --mode 800x600
Observed Behaviour :
=====================
Massive Desktop corruption observed.(Screenshot attached)
Display Port : Manufacturer: Dell Model:a02b
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