https://bugs.freedesktop.org/show_bug.cgi?id=98461

Bug ID: 98461 Summary: Radeon and 5k resolution 5120x2880 = corrupted image Product: DRI Version: XOrg git Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/Radeon Assignee: dri-devel@lists.freedesktop.org Reporter: blesk2@gmail.com

Created attachment 127570 --> https://bugs.freedesktop.org/attachment.cgi?id=127570&action=edit Photo of display

I try to set 2560x2880 resolution on DisplayPort-0 and the same resolution on DisplayPort-1, but screen is wobbly and distorted. xrandr --output DisplayPort-0 --mode 2560x2880 --right-of DisplayPort-1 --output DisplayPort-1 --mode 2560x2880

xrandr Screen 0: minimum 320 x 200, current 2560 x 1440, maximum 16384 x 16384 DisplayPort-0 connected primary 2560x1440+0+0 (normal left inverted right x axis y axis) 597mm x 336mm 3840x2160 60.00 + 60.00 2560x1440 59.95*+ 2560x2880 59.98 29.99 1920x1200 59.88 1920x1080 60.00 1600x1200 60.00 1680x1050 59.95 1280x1024 60.02 1280x800 59.81 1024x768 60.00 800x600 60.32 640x480 60.00 59.94 DisplayPort-1 connected (normal left inverted right x axis y axis) 848x480 59.74 + 2560x2880 59.98 29.99

Monitor: Dell UP2715K VGA: AMD FirePro W2100

It is related with Bug id 97244 (5k resolution but on Intel card).