| Summary: |
[kernel modesetting] display mashed after change mode |
| Product: |
DRI
|
Reporter: |
WuNian <nian.wu> |
| Component: |
DRM/Intel | Assignee: |
Default DRI bug account <dri-devel> |
| Status: |
CLOSED
WONTFIX
|
QA Contact: |
|
| Severity: |
major
|
|
|
| Priority: |
medium
|
CC: |
hong.liu, jbarnes
|
| Version: |
XOrg git | |
|
| Hardware: |
x86 (IA32) | |
|
| OS: |
Linux (All) | |
|
| Whiteboard: |
|
|
i915 platform:
|
|
i915 features:
|
|
|---|
| Attachments: |
|
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Created attachment 16941 [details] dmesg log after change mode source: xserver - master tip commit 26e7e69ab893d1f2b35213250ada40ec90944f62 drm - modesetting-101 03bf1fba67413f381d2a548fe08bd634a48fcc48 xf86-video-intel - intel-kernelmode 95fb4ac2ea326ee67f472e33ba4202942f246df1 The display becomes a mess after change the display mode. Reproduce steps: 1, modprobe drm debug=1 2, modprobe i915 modeset=1 3, X & 4, xterm & 5, xrandr --output VGA0 --mode 800x600 My platform: Intel Q35 Output of xrandr: nian@nian-dev:~$ xrandr -q Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 2048 x 2048 VGA0 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 380mm x 300mm 1280x1024 60.0*+ 75.0 60.0* 1600x1200 60.0 1600x1024 60.0 1400x1050 60.0 1280x960 60.0 1152x864 75.0 1024x768 75.1 75.0 70.1 60.0 832x624 74.6 800x600 72.2 75.0 60.3 640x480 75.0 72.8 75.0 60.0 59.9 720x400 70.1 nian@nian-dev:~$ xrandr --output VGA0 --mode 800x600 resize called 800 600 old front size 00800000, new front size 001e8000 old front offset 02800000, new front offset 03010000 FRONTBUFFER HANDLE CHANGING 0x82eace8 fb id is 42 X Error of failed request: BadMatch (invalid parameter attributes) Major opcode of failed request: 149 (RANDR) Minor opcode of failed request: 7 () Serial number of failed request: 16 Current serial number in output stream: 17