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drm/i915: clear crt hotplug compare voltage field before setting 

Noticed while reviewing the hotplug irq setup code. Just looks better.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-03-27 15:47:11 +01:00
parent ed23abdd64
commit 85fc95ba85
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/i915/i915_irq.c
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@ -2775,6 +2775,7 @@ static void i915_hpd_irq_setup(struct drm_device *dev)
*/
if (IS_G4X(dev))
hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64;
hotplug_en &= ~CRT_HOTPLUG_VOLTAGE_COMPARE_MASK;
hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50;
/* Ignore TV since it's buggy */