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-rw-r--r--drivers/gpu/drm/i915/i915_irq.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 666a0ecebb1..15a97ea2d6e 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -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 */