drm/i915: Clear VLV_MASTER_IER around irq processing
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 13 Apr 2016 18:19:50 +0000 (21:19 +0300)
committerVille Syrjälä <ville.syrjala@linux.intel.com>
Thu, 14 Apr 2016 11:45:19 +0000 (14:45 +0300)
commit4a0a0202b0238b652563429c5e13825ec5f83ce4
tree80812038e5430aed8f5c143d0bd0d693e4ef9806
parent7ce4d1f2730f2bd4320425dd376913c4a12bd3b2
drm/i915: Clear VLV_MASTER_IER around irq processing

Like on CHV, let's clear out the master irq enable bit when we ack
GT/PM interrupts. This will allow GT/PM interrupts to re-raise the
CPU interrupt if we fail to clear all the bits from the IIR(s).

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1460571598-24452-5-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
drivers/gpu/drm/i915/i915_irq.c