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@@ -44,7 +44,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
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u16 temp;
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temp = I915_READ16(I915REG_INT_IDENTITY_R);
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- temp &= (USER_INT_FLAG | VSYNC_PIPEA_FLAG);
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+
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+ temp &= (USER_INT_FLAG | VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG);
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DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp);
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@@ -58,7 +59,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
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if (temp & USER_INT_FLAG)
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DRM_WAKEUP(&dev_priv->irq_queue);
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- if (temp & VSYNC_PIPEA_FLAG) {
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+ if (temp & (VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG)) {
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atomic_inc(&dev->vbl_received);
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DRM_WAKEUP(&dev->vbl_queue);
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drm_vbl_send_signals(dev);
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@@ -182,6 +183,68 @@ int i915_irq_wait(DRM_IOCTL_ARGS)
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return i915_wait_irq(dev, irqwait.irq_seq);
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}
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+static int i915_enable_interrupt (drm_device_t *dev)
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+{
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+ drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
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+ u16 flag;
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+
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+ flag = 0;
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+ if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A)
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+ flag |= VSYNC_PIPEA_FLAG;
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+ if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)
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+ flag |= VSYNC_PIPEB_FLAG;
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+ if (dev_priv->vblank_pipe & ~(DRM_I915_VBLANK_PIPE_A|DRM_I915_VBLANK_PIPE_B)) {
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+ DRM_ERROR("%s called with invalid pipe 0x%x\n",
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+ __FUNCTION__, dev_priv->vblank_pipe);
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+ return DRM_ERR(EINVAL);
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+ }
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+ I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | flag);
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+ return 0;
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+}
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+
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+/* Set the vblank monitor pipe
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+ */
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+int i915_vblank_pipe_set(DRM_IOCTL_ARGS)
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+{
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+ DRM_DEVICE;
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+ drm_i915_private_t *dev_priv = dev->dev_private;
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+ drm_i915_vblank_pipe_t pipe;
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+
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+ if (!dev_priv) {
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+ DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
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+ return DRM_ERR(EINVAL);
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+ }
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+
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+ DRM_COPY_FROM_USER_IOCTL(pipe, (drm_i915_vblank_pipe_t __user *) data,
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+ sizeof(pipe));
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+
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+ dev_priv->vblank_pipe = pipe.pipe;
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+ return i915_enable_interrupt (dev);
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+}
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+
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+int i915_vblank_pipe_get(DRM_IOCTL_ARGS)
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+{
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+ DRM_DEVICE;
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+ drm_i915_private_t *dev_priv = dev->dev_private;
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+ drm_i915_vblank_pipe_t pipe;
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+ u16 flag;
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+
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+ if (!dev_priv) {
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+ DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
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+ return DRM_ERR(EINVAL);
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+ }
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+
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+ flag = I915_READ(I915REG_INT_ENABLE_R);
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+ pipe.pipe = 0;
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+ if (flag & VSYNC_PIPEA_FLAG)
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+ pipe.pipe |= DRM_I915_VBLANK_PIPE_A;
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+ if (flag & VSYNC_PIPEB_FLAG)
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+ pipe.pipe |= DRM_I915_VBLANK_PIPE_B;
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+ DRM_COPY_TO_USER_IOCTL((drm_i915_vblank_pipe_t __user *) data, pipe,
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+ sizeof(pipe));
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+ return 0;
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+}
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+
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/* drm_dma.h hooks
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*/
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void i915_driver_irq_preinstall(drm_device_t * dev)
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@@ -197,7 +260,7 @@ void i915_driver_irq_postinstall(drm_device_t * dev)
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{
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drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
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- I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | VSYNC_PIPEA_FLAG);
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+ i915_enable_interrupt(dev);
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DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
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}
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