drm: Replace DRM_IOCTL_ARGS with (dev, data, file_priv) and remove DRM_DEVICE.

The data is now in kernel space, copied in/out as appropriate according to t
This results in DRM_COPY_{TO,FROM}_USER going away, and error paths to deal
with those failures.  This also means that XFree86 4.2.0 support for i810 DR
is lost.

Signed-off-by: Dave Airlie <airlied@linux.ie>

1 files changed, 14 insertions, 19 deletions

diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c
index a5297e70f94a..9c1d52bc92d7 100644
--- a/drivers/char/drm/via_irq.c
+++ b/drivers/char/drm/via_irq.c
@@ -331,11 +331,9 @@ void via_driver_irq_uninstall(struct drm_device * dev)
         }
 }
 
-int via_wait_irq(DRM_IOCTL_ARGS)
+int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv)
 {
-        DRM_DEVICE;
-        drm_via_irqwait_t __user *argp = (void __user *)data;
-        drm_via_irqwait_t irqwait;
+        drm_via_irqwait_t *irqwait = data;
         struct timeval now;
         int ret = 0;
         drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
@@ -345,40 +343,37 @@ int via_wait_irq(DRM_IOCTL_ARGS)
         if (!dev->irq)
                 return -EINVAL;
 
-        DRM_COPY_FROM_USER_IOCTL(irqwait, argp, sizeof(irqwait));
-        if (irqwait.request.irq >= dev_priv->num_irqs) {
+        if (irqwait->request.irq >= dev_priv->num_irqs) {
                 DRM_ERROR("%s Trying to wait on unknown irq %d\n", __FUNCTION__,
-                          irqwait.request.irq);
+                          irqwait->request.irq);
                 return -EINVAL;
         }
 
-        cur_irq += irqwait.request.irq;
+        cur_irq += irqwait->request.irq;
 
-        switch (irqwait.request.type & ~VIA_IRQ_FLAGS_MASK) {
+        switch (irqwait->request.type & ~VIA_IRQ_FLAGS_MASK) {
         case VIA_IRQ_RELATIVE:
-                irqwait.request.sequence += atomic_read(&cur_irq->irq_received);
-                irqwait.request.type &= ~_DRM_VBLANK_RELATIVE;
+                irqwait->request.sequence += atomic_read(&cur_irq->irq_received);
+                irqwait->request.type &= ~_DRM_VBLANK_RELATIVE;
         case VIA_IRQ_ABSOLUTE:
                 break;
         default:
                 return -EINVAL;
         }
 
-        if (irqwait.request.type & VIA_IRQ_SIGNAL) {
+        if (irqwait->request.type & VIA_IRQ_SIGNAL) {
                 DRM_ERROR("%s Signals on Via IRQs not implemented yet.\n",
                           __FUNCTION__);
                 return -EINVAL;
         }
 
-        force_sequence = (irqwait.request.type & VIA_IRQ_FORCE_SEQUENCE);
+        force_sequence = (irqwait->request.type & VIA_IRQ_FORCE_SEQUENCE);
 
-        ret = via_driver_irq_wait(dev, irqwait.request.irq, force_sequence,
-                                  &irqwait.request.sequence);
+        ret = via_driver_irq_wait(dev, irqwait->request.irq, force_sequence,
+                                  &irqwait->request.sequence);
         do_gettimeofday(&now);
-        irqwait.reply.tval_sec = now.tv_sec;
-        irqwait.reply.tval_usec = now.tv_usec;
-
-        DRM_COPY_TO_USER_IOCTL(argp, irqwait, sizeof(irqwait));
+        irqwait->reply.tval_sec = now.tv_sec;
+        irqwait->reply.tval_usec = now.tv_usec;
 
         return ret;
 }