#include "via_drm.h"
#include "via_drv.h"
-void
-via_init_futex(drm_via_private_t *dev_priv)
+void via_init_futex(drm_via_private_t * dev_priv)
{
unsigned int i;
- DRM_DEBUG("%s\n", __FUNCTION__);
+ DRM_DEBUG("\n");
for (i = 0; i < VIA_NR_XVMC_LOCKS; ++i) {
DRM_INIT_WAITQUEUE(&(dev_priv->decoder_queue[i]));
}
}
-void
-via_cleanup_futex(drm_via_private_t *dev_priv)
+void via_cleanup_futex(drm_via_private_t * dev_priv)
{
-}
+}
-void
-via_release_futex(drm_via_private_t *dev_priv, int context)
+void via_release_futex(drm_via_private_t * dev_priv, int context)
{
unsigned int i;
volatile int *lock;
- for (i=0; i < VIA_NR_XVMC_LOCKS; ++i) {
- lock = (int *) XVMCLOCKPTR(dev_priv->sarea_priv, i);
- if ( (_DRM_LOCKING_CONTEXT( *lock ) == context)) {
- if (_DRM_LOCK_IS_HELD( *lock ) && (*lock & _DRM_LOCK_CONT)) {
- DRM_WAKEUP( &(dev_priv->decoder_queue[i]));
+ if (!dev_priv->sarea_priv)
+ return;
+
+ for (i = 0; i < VIA_NR_XVMC_LOCKS; ++i) {
+ lock = (volatile int *)XVMCLOCKPTR(dev_priv->sarea_priv, i);
+ if ((_DRM_LOCKING_CONTEXT(*lock) == context)) {
+ if (_DRM_LOCK_IS_HELD(*lock)
+ && (*lock & _DRM_LOCK_CONT)) {
+ DRM_WAKEUP(&(dev_priv->decoder_queue[i]));
}
*lock = 0;
}
- }
-}
+ }
+}
-int
-via_decoder_futex(DRM_IOCTL_ARGS)
+int via_decoder_futex(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
- DRM_DEVICE;
- drm_via_futex_t fx;
+ drm_via_futex_t *fx = data;
volatile int *lock;
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
drm_via_sarea_t *sAPriv = dev_priv->sarea_priv;
int ret = 0;
- DRM_DEBUG("%s\n", __FUNCTION__);
-
- DRM_COPY_FROM_USER_IOCTL(fx, (drm_via_futex_t __user *) data,
- sizeof(fx));
+ DRM_DEBUG("\n");
- if (fx.lock > VIA_NR_XVMC_LOCKS)
+ if (fx->lock > VIA_NR_XVMC_LOCKS)
return -EFAULT;
- lock = (int *)XVMCLOCKPTR(sAPriv, fx.lock);
+ lock = (volatile int *)XVMCLOCKPTR(sAPriv, fx->lock);
- switch (fx.func) {
+ switch (fx->func) {
case VIA_FUTEX_WAIT:
- DRM_WAIT_ON(ret, dev_priv->decoder_queue[fx.lock],
- (fx.ms / 10) * (DRM_HZ / 100), *lock != fx.val);
+ DRM_WAIT_ON(ret, dev_priv->decoder_queue[fx->lock],
+ (fx->ms / 10) * (DRM_HZ / 100), *lock != fx->val);
return ret;
case VIA_FUTEX_WAKE:
- DRM_WAKEUP(&(dev_priv->decoder_queue[fx.lock]));
+ DRM_WAKEUP(&(dev_priv->decoder_queue[fx->lock]));
return 0;
}
return 0;
}
-