[PATCH 01/10] drm/i915: Remove "VLV magic" from irq setup

From: ville.syrjala@linux.intel.com
To: intel-gfx@lists.freedesktop.org
Subject: [PATCH 01/10] drm/i915: Remove "VLV magic" from irq setup
Date: Mon, 11 Apr 2016 16:56:23 +0300	[thread overview]
Message-ID: <1460382992-28728-2-git-send-email-ville.syrjala@linux.intel.com> (raw)
In-Reply-To: <1460382992-28728-1-git-send-email-ville.syrjala@linux.intel.com>

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

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@linux.intel.com>
---
 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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