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| author | Ville Syrjälä | 2014-10-30 18:42:53 +0100 |
|---|---|---|
| committer | Daniel Vetter | 2014-11-07 18:41:52 +0100 |
| commit | 8e20599ae1327ef3f0cf6a080fc3a39c882f4718 (patch) | |
| tree | 1ee4ae2c7875ced6d33aefd121aedfaf0d647b2f /drivers/gpu/drm/i915/i915_irq.c | |
| parent | drm/i915: Use gen8_gt_irq_reset() in cherryview_irq_uninstall() (diff) | |
| download | kernel-qcow2-linux-8e20599ae1327ef3f0cf6a080fc3a39c882f4718.tar.gz kernel-qcow2-linux-8e20599ae1327ef3f0cf6a080fc3a39c882f4718.tar.xz kernel-qcow2-linux-8e20599ae1327ef3f0cf6a080fc3a39c882f4718.zip | |
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.c | 2 |
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); |