https://bugzilla.kernel.org/show_bug.cgi?id=82141
Bug ID: 82141
Summary: _DOS value not restored properly at ACPI video module
unload
Product: ACPI
Version: 2.5
Kernel Version: 3.16.0
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: low
Priority: P1
Component: Power-Video
Assignee: [email protected]
Reporter: [email protected]
Regression: No
File drivers/acpi/video.c, function acpi_video_bus_stop_devices contains the
following code:
return acpi_video_bus_DOS(video, 0,
acpi_osi_is_win8() ? 0 : 1);
As I understand, the function is invoked at module unload and it should restore
default value of _DOS, which, according to specification, is equal to 1. That
is, the function should be rather invoked as:
return acpi_video_bus_DOS(video, 1, 0);
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