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	Sets various powersave levels on video cards. Currently, only the
	Radeon cards are supported. The powersave level can be specified
	by using the [option]`radeon_powersave` option. Supported values are:
	+
	--
	* `default`
	* `auto`
	* `low`
	* `mid`
	* `high`
	* `dynpm`
	* `dpm-battery`
	* `dpm-balanced`
	* `dpm-perfomance`
	--
	+
	For additional detail, see
	link:https://www.x.org/wiki/RadeonFeature/#kmspowermanagementoptions[KMS Power Management Options].
	+
	NOTE: This plug-in is experimental and the option might change in future releases.
	+
	.To set the powersave level for the Radeon video card to high
	====
	----
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	radeon_powersave=high
	----
	====
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