X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fchar%2Fdrm%2Fr128_irq.c;h=87f8ca2b0685aa4497fb2c02cb906b2f87cdbd40;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=643a30785fe5c5661e3604c7e42df2213d9547b9;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/drivers/char/drm/r128_irq.c b/drivers/char/drm/r128_irq.c
index 643a30785..87f8ca2b0 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 -*-
- *
+/* 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);
 }