https://bugs.freedesktop.org/show_bug.cgi?id=107838
Bug ID: 107838
Summary: kernel mode setting detects unsupported screen
resolutions
Product: xorg
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Driver/AMDgpu
Assignee: xorg-driver-ati@lists.x.org
Reporter: germano.massu...@gmail.com
QA Contact: xorg-t...@lists.x.org
Kernel mode setting seems to detect resolutions not supported by the screen, so
you may be stuck in out of range screen error while using certain applications.
Later I tested the installation of xorg-x11-drv-amdgpu Fedora package, and
indeed the problem disappeared
Note: in both tests the machine has been started with grub command line
argument amdgpu.dc=0 due bugreport
https://bugs.freedesktop.org/show_bug.cgi?id=107465
Kernel 4.17.19-200.fc28.x86_64
# lspci -k | grep -iA 3 vga
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Ellesmere [Radeon RX 470/480/570/570X/580/580X] (rev c7)
Subsystem: XFX Pine Group Inc. Radeon RX 480
Kernel driver in use: amdgpu
Kernel modules: amdgpu
Screen ViewSonic VX2268wm
$ xrandr
Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 16384 x 16384
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DVI-D-1 connected primary 1680x1050+0+0 (normal left inverted right x axis y
axis) 474mm x 296mm
1680x1050 59.95 + 120.00* 110.00 100.0059.88
1600x1200 85.0075.0070.0065.0060.00
1400x1050 74.7659.9859.95
1600x900 59.9959.9459.9559.82
1280x1024 85.0275.0260.02
1440x900 59.90
1400x900 59.9659.88
1280x960 85.0060.00
1440x810 60.0059.97
1368x768 59.8859.85
1280x800 59.9959.9759.8159.91
1152x864 75.00
1280x720 60.0059.9959.8659.74
1024x768 85.0075.0560.0485.0075.0370.0760.00
1024x768i 86.96
960x720 85.0075.0060.00
928x696 75.0060.05
896x672 75.0560.01
1024x576 59.9559.9659.9059.82
960x600 59.9360.00
832x624 74.55
960x540 59.9659.9959.6359.82
800x600 85.0075.0070.0065.0060.0085.1472.19
75.0060.3256.25
840x525 60.0159.88
864x486 59.9259.57
700x525 74.7659.98
800x450 59.9559.82
640x512 85.0275.0260.02
700x450 59.9659.88
640x480 85.0960.0085.0175.0072.8175.0066.67
60.0059.94
720x405 59.5158.99
720x400 85.0470.08
684x384 59.8859.85
640x400 59.8859.9885.0870.01
576x432 75.00
640x360 59.8659.8359.8459.32
640x350 85.08
512x384 85.0075.0370.0760.00
512x384i 87.06
512x288 60.0059.92
416x312 74.66
480x270 59.6359.82
400x300 85.2772.1975.1260.3256.34
432x243 59.9259.57
320x240 85.1872.8175.0060.05
360x202 59.5159.13
360x200 85.04
320x200 85.27
320x180 59.8459.32
320x175 85.27
$ xrandr output with package xorg-x11-drv-amdgpu installed
Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 16384 x 16384
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-1 disconnected (normal left inverted right x axis y axis)
DisplayPort-2 disconnected (normal left inverted right x axis y axis)
HDMI-A-0 disconnected (normal left inverted right x axis y axis)
DVI-D-0 connected primary 1680x1050+0+0 (normal left inverted right x axis y
axis) 474mm x 296mm
1680x1050 59.95 + 120.00* 110.00 100.00
1600x1200 60.00
1400x1050 59.95
1280x1024 75.0260.02
1440x900 59.90
1280x960 60.00
1152x864 75.00
1024x768 75.0370.0760.00
832x624 74.55
800x600 72.1975.0060.3256.25
640x480 75.0072.8166.6760.0059.94
720x400 70.08
640x400 70.01
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