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authorVille Syrjälä <ville.syrjala@linux.intel.com>2014-10-30 19:42:53 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-11-07 18:41:52 +0100
commit8e20599ae1327ef3f0cf6a080fc3a39c882f4718 (patch)
tree1ee4ae2c7875ced6d33aefd121aedfaf0d647b2f /drivers/gpu/drm/i915/i915_irq.c
parenta2c30fbafceb937eb3c3535a21810d4458628e62 (diff)
downloadtalos-obmc-linux-8e20599ae1327ef3f0cf6a080fc3a39c882f4718.tar.gz
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drm/i915: Drop the extra GEN8_PCU_IIR posting read from cherryview_irq_preinstall()
Looks like a leftover POSTING_READ(GEN8_PCU_IIR) in cherryview_irq_preinstall() from some earlier age. GEN5_IRQ_RESET() already does the posting read so this changes nothing, so kill it. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 1ec4ebbb89f3..1e4062d09616 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3188,8 +3188,6 @@ static void cherryview_irq_preinstall(struct drm_device *dev)
GEN5_IRQ_RESET(GEN8_PCU_);
- POSTING_READ(GEN8_PCU_IIR);
-
I915_WRITE(DPINVGTT, DPINVGTT_STATUS_MASK_CHV);
I915_WRITE(PORT_HOTPLUG_EN, 0);
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