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drm/i915: Remove "VLV magic" from irq setup 

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>
Link: http://patchwork.freedesktop.org/patch/msgid/1460382992-28728-2-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
This commit is contained in:
Ville Syrjälä 2016-04-11 16:56:23 +03:00
parent 6b23f3e8a6
commit 93de68f940
1 changed files with 0 additions and 6 deletions
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6
drivers/gpu/drm/i915/i915_irq.c
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@ -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);