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2010 Jan 07
3
[Discussion] User controls for PowerManagement
...ld
eventually be placed in a separate subdirectory (pm?)
1. joi pointed out that procfs is deprecated, and I should use sysfs instead.
There are two reasons to use procfs:
- DRM has a pointer to the right DRM subfolder (/proc/drm/<card number>) which
can be obtained by drm_device.control->proc_root. Ofcourse, if there's
something similar for sysfs available, then there's no problem. Otherwise
procfs simply saves a lot of hassle as long as DRM still promotes procfs to the
device drivers.
- sysfs was designed for "one value per node". The output of the pm_supported
node would...