From: Ville Syrjälä <[email protected]> We're lacking VLV_MASTER_IER setup from valleyview_irq_preinstall(), so add it there. Also cargo cult in some POSTING_READ()s to match the other platforms.
Signed-off-by: Ville Syrjälä <[email protected]> --- drivers/gpu/drm/i915/i915_irq.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 165cb4ecb0ad..f96a374ea624 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -3355,6 +3355,9 @@ static void valleyview_irq_preinstall(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + I915_WRITE(VLV_MASTER_IER, 0); + POSTING_READ(VLV_MASTER_IER); + gen5_gt_irq_reset(dev); spin_lock_irq(&dev_priv->irq_lock); @@ -3724,6 +3727,7 @@ static int valleyview_irq_postinstall(struct drm_device *dev) spin_unlock_irq(&dev_priv->irq_lock); I915_WRITE(VLV_MASTER_IER, MASTER_INTERRUPT_ENABLE); + POSTING_READ(VLV_MASTER_IER); return 0; } @@ -3854,6 +3858,7 @@ static void valleyview_irq_uninstall(struct drm_device *dev) return; I915_WRITE(VLV_MASTER_IER, 0); + POSTING_READ(VLV_MASTER_IER); gen5_gt_irq_reset(dev); -- 2.7.4 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
