From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
No clue what this is supposed to achieve. I think it's been there since
the very beginning, so presumably some kind of kludge for very early
silicon. Let's just throw it out.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_irq.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 679f08c944ef..1d21ebfffd4d 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3319,12 +3319,6 @@ static void valleyview_irq_preinstall(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- /* VLV magic */
- I915_WRITE(VLV_IMR, 0);
- I915_WRITE(RING_IMR(RENDER_RING_BASE), 0);
- I915_WRITE(RING_IMR(GEN6_BSD_RING_BASE), 0);
- I915_WRITE(RING_IMR(BLT_RING_BASE), 0);
-
gen5_gt_irq_reset(dev);
I915_WRITE(DPINVGTT, DPINVGTT_STATUS_MASK);
--
2.7.4
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