drm/i915: Clear VLV_MASTER_IER around irq processing

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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>

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Ville Syrjälä 2016-04-13 21:19:50 +03:00

parent 7ce4d1f273

commit 4a0a0202b0

1 changed files with 10 additions and 6 deletions

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drivers/gpu/drm/i915/i915_irq.c

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