drm/mga: fixed brace, macro and spacing coding style issues

Fixed brace, macro and spacing coding style issues.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c
index daa6041..2581202 100644
--- a/drivers/gpu/drm/mga/mga_irq.c
+++ b/drivers/gpu/drm/mga/mga_irq.c
@@ -76,9 +76,8 @@
 		/* In addition to clearing the interrupt-pending bit, we
 		 * have to write to MGA_PRIMEND to re-start the DMA operation.
 		 */
-		if ((prim_start & ~0x03) != (prim_end & ~0x03)) {
+		if ((prim_start & ~0x03) != (prim_end & ~0x03))
 			MGA_WRITE(MGA_PRIMEND, prim_end);
-		}
 
 		atomic_inc(&dev_priv->last_fence_retired);
 		DRM_WAKEUP(&dev_priv->fence_queue);
@@ -120,7 +119,7 @@
 	/* MGA_WRITE(MGA_IEN, MGA_VLINEIEN | MGA_SOFTRAPEN); */
 }
 
-int mga_driver_fence_wait(struct drm_device * dev, unsigned int *sequence)
+int mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence)
 {
 	drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
 	unsigned int cur_fence;
@@ -139,7 +138,7 @@
 	return ret;
 }
 
-void mga_driver_irq_preinstall(struct drm_device * dev)
+void mga_driver_irq_preinstall(struct drm_device *dev)
 {
 	drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
 
@@ -162,7 +161,7 @@
 	return 0;
 }
 
-void mga_driver_irq_uninstall(struct drm_device * dev)
+void mga_driver_irq_uninstall(struct drm_device *dev)
 {
 	drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;
 	if (!dev_priv)