From: Paulo Zanoni <[email protected]>

After the last changes, gen5_gt_irq_preinstall should now guarantee
that GTIIR will be zero. Also, at valleyview_irq_postinstall we call
gen5_gt_irq_postinstall which calls intel_irq_reg_init, which will
print a nice WARN in case GTIIR is not zero.

Signed-off-by: Paulo Zanoni <[email protected]>
---
 drivers/gpu/drm/i915/i915_irq.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 5ca50a0..9684f1e 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2056,10 +2056,6 @@ static void valleyview_irq_preinstall(struct drm_device 
*dev)
        I915_WRITE(RING_IMR(GEN6_BSD_RING_BASE), 0);
        I915_WRITE(RING_IMR(BLT_RING_BASE), 0);
 
-       /* and GT */
-       I915_WRITE(GTIIR, I915_READ(GTIIR));
-       I915_WRITE(GTIIR, I915_READ(GTIIR));
-
        gen5_gt_irq_preinstall(dev);
 
        I915_WRITE(DPINVGTT, 0xff);
-- 
1.8.1.2

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