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drm/i915: remove dead code from legacy suspend handler 

The legacy DRM suspend logic (effective in UMS) doesn't handle any S4 thaw
events so we don't need to care about it either. Only S3 suspend and S4
freeze events are handled. Leave an assert behind to be sure.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Imre Deak 2014-09-10 18:16:55 +03:00 committed by Daniel Vetter
parent 409ee761fd
commit 0b14cbd2f5
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/i915/i915_drv.c
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@ -640,9 +640,9 @@ int i915_suspend(struct drm_device *dev, pm_message_t state)
return -ENODEV;
}
if (state.event == PM_EVENT_PRETHAW)
return 0;
if (WARN_ON_ONCE(state.event != PM_EVENT_SUSPEND &&
state.event != PM_EVENT_FREEZE))
return -EINVAL;
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;