Paulo Zanoni 693101618a drm/i915: check the power down well on assert_pipe() ... If the power well is disabled, we should not try to read its registers, otherwise we'll get "unclaimed register" messages. V2: Don't check whether the power well is enabled or not, just check whether we asked it to be enabled or not: if we asked to disable the power well, don't use the registers on it, even if it's still enabled. V3: Fix bug that breaks all non-Haswell machines. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>		2013-01-31 11:50:11 +01:00
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drm	drm/i915: check the power down well on assert_pipe()	2013-01-31 11:50:11 +01:00
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vga	Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux	2012-12-17 08:26:17 -08:00
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