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path: root/drivers/char/drm/r128_irq.c
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Diffstat (limited to 'drivers/char/drm/r128_irq.c')
-rw-r--r--drivers/char/drm/r128_irq.c53
1 files changed, 26 insertions, 27 deletions
diff --git a/drivers/char/drm/r128_irq.c b/drivers/char/drm/r128_irq.c
index 643a30785fe..27eb0e31bd3 100644
--- a/drivers/char/drm/r128_irq.c
+++ b/drivers/char/drm/r128_irq.c
@@ -1,7 +1,7 @@
/* r128_irq.c -- IRQ handling for radeon -*- linux-c -*-
*
* Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
- *
+ *
* The Weather Channel (TM) funded Tungsten Graphics to develop the
* initial release of the Radeon 8500 driver under the XFree86 license.
* This notice must be preserved.
@@ -35,68 +35,67 @@
#include "r128_drm.h"
#include "r128_drv.h"
-irqreturn_t r128_driver_irq_handler( DRM_IRQ_ARGS )
+irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS)
{
drm_device_t *dev = (drm_device_t *) arg;
- drm_r128_private_t *dev_priv =
- (drm_r128_private_t *)dev->dev_private;
+ drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private;
int status;
- status = R128_READ( R128_GEN_INT_STATUS );
-
+ status = R128_READ(R128_GEN_INT_STATUS);
+
/* VBLANK interrupt */
- if ( status & R128_CRTC_VBLANK_INT ) {
- R128_WRITE( R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK );
+ if (status & R128_CRTC_VBLANK_INT) {
+ R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
atomic_inc(&dev->vbl_received);
DRM_WAKEUP(&dev->vbl_queue);
- drm_vbl_send_signals( dev );
+ drm_vbl_send_signals(dev);
return IRQ_HANDLED;
}
return IRQ_NONE;
}
-int r128_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence)
+int r128_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence)
{
unsigned int cur_vblank;
int ret = 0;
/* Assume that the user has missed the current sequence number
* by about a day rather than she wants to wait for years
- * using vertical blanks...
+ * using vertical blanks...
*/
- DRM_WAIT_ON( ret, dev->vbl_queue, 3*DRM_HZ,
- ( ( ( cur_vblank = atomic_read(&dev->vbl_received ) )
- - *sequence ) <= (1<<23) ) );
+ DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
+ (((cur_vblank = atomic_read(&dev->vbl_received))
+ - *sequence) <= (1 << 23)));
*sequence = cur_vblank;
return ret;
}
-void r128_driver_irq_preinstall( drm_device_t *dev ) {
- drm_r128_private_t *dev_priv =
- (drm_r128_private_t *)dev->dev_private;
+void r128_driver_irq_preinstall(drm_device_t * dev)
+{
+ drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private;
/* Disable *all* interrupts */
- R128_WRITE( R128_GEN_INT_CNTL, 0 );
+ R128_WRITE(R128_GEN_INT_CNTL, 0);
/* Clear vblank bit if it's already high */
- R128_WRITE( R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK );
+ R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
}
-void r128_driver_irq_postinstall( drm_device_t *dev ) {
- drm_r128_private_t *dev_priv =
- (drm_r128_private_t *)dev->dev_private;
+void r128_driver_irq_postinstall(drm_device_t * dev)
+{
+ drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private;
/* Turn on VBL interrupt */
- R128_WRITE( R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN );
+ R128_WRITE(R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN);
}
-void r128_driver_irq_uninstall( drm_device_t *dev ) {
- drm_r128_private_t *dev_priv =
- (drm_r128_private_t *)dev->dev_private;
+void r128_driver_irq_uninstall(drm_device_t * dev)
+{
+ drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private;
if (!dev_priv)
return;
/* Disable *all* interrupts */
- R128_WRITE( R128_GEN_INT_CNTL, 0 );
+ R128_WRITE(R128_GEN_INT_CNTL, 0);
}