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authorDaniel Vetter <daniel.vetter@ffwll.ch>2012-11-20 14:50:08 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-11-21 17:45:05 +0100
commita726915cef1daab57aad4c5b5e4773822f0a4bf8 (patch)
tree5702e3b08ee6bf844278a77b7ff695cf82b39385 /drivers/gpu/drm/i915/intel_display.c
parent8fed6193736bf22e0e44c03ee783761e9cc37238 (diff)
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drm/i915: resurrect panel lid handling
But disabled by default. This essentially reverts commit bcd5023c961a44c7149936553b6929b2b233dd27 Author: Dave Airlie <airlied@redhat.com> Date: Mon Mar 14 14:17:55 2011 +1000 drm/i915: disable opregion lid detection for now but leaves the autodetect mode disabled. There's also the explicit lid status option added in commit fca874092597ef946b8f07031d8c31c58b212144 Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Thu Feb 17 13:44:48 2011 +0000 drm/i915: Add a module parameter to ignore lid status Which overloaded the meaning for the panel_ignore_lid parameter even more. To fix up this mess, give the non-negative numbers 0,1 the original meaning back and use negative numbers to force a given state. So now we have 1 - disable autodetect, return unknown 0 - enable autodetect -1 - force to disconnected/lid closed -2 - force to connected/lid open v2: My C programmer license has been revoked ... v3: Beautify the code a bit, as suggested by Chris Wilson. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=27622 Tested-by: Andreas Sturmlechner <andreas.sturmlechner@gmail.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
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