From 995e6b3dcfa25e5837f103ae6e732fbca1790dd9 Mon Sep 17 00:00:00 2001 From: Egbert Eich Date: Tue, 16 Apr 2013 13:36:56 +0200 Subject: [PATCH] drm/i915: Mask out the HPD irq bits before setting them individually. To disable previously enabled HPD IRQs we need to reset them and set the enabled ones individually. Signed-off-by: Egbert Eich Reviewed-by: Jani Nikula Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/i915_irq.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 2b4967014dc6..b59df6e989cb 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2128,9 +2128,11 @@ static void ibx_hpd_irq_setup(struct drm_device *dev) u32 hotplug; if (HAS_PCH_IBX(dev)) { + mask &= ~SDE_HOTPLUG_MASK; list_for_each_entry(intel_encoder, &mode_config->encoder_list, base.head) mask |= hpd_ibx[intel_encoder->hpd_pin]; } else { + mask &= ~SDE_HOTPLUG_MASK_CPT; list_for_each_entry(intel_encoder, &mode_config->encoder_list, base.head) mask |= hpd_cpt[intel_encoder->hpd_pin]; } -- 2.39.2