return (!GAMMA_READ(GAMMA_DMACOUNT));
}
-irqreturn_t gamma_dma_service( DRM_IRQ_ARGS )
+irqreturn_t gamma_irq_handler( DRM_IRQ_ARGS )
{
drm_device_t *dev = (drm_device_t *)arg;
drm_device_dma_t *dma = dev->dma;
gamma_dma_schedule((drm_device_t *)dev, 0);
}
-void gamma_dma_immediate_bh(void *dev)
+void gamma_irq_immediate_bh(void *dev)
{
gamma_dma_schedule(dev, 0);
}
drm_buf_t *buf;
drm_buf_t *last_buf = NULL;
drm_device_dma_t *dma = dev->dma;
+ int *send_indices = NULL;
+ int *send_sizes = NULL;
+
DECLARE_WAITQUEUE(entry, current);
/* Turn off interrupt handling */
++must_free;
}
+ send_indices = DRM(alloc)(d->send_count * sizeof(*send_indices),
+ DRM_MEM_DRIVER);
+ if (send_indices == NULL)
+ return -ENOMEM;
+ if (copy_from_user(send_indices, d->send_indices,
+ d->send_count * sizeof(*send_indices))) {
+ retcode = -EFAULT;
+ goto cleanup;
+ }
+
+ send_sizes = DRM(alloc)(d->send_count * sizeof(*send_sizes),
+ DRM_MEM_DRIVER);
+ if (send_sizes == NULL)
+ return -ENOMEM;
+ if (copy_from_user(send_sizes, d->send_sizes,
+ d->send_count * sizeof(*send_sizes))) {
+ retcode = -EFAULT;
+ goto cleanup;
+ }
+
for (i = 0; i < d->send_count; i++) {
- idx = d->send_indices[i];
+ idx = send_indices[i];
if (idx < 0 || idx >= dma->buf_count) {
DRM_ERROR("Index %d (of %d max)\n",
- d->send_indices[i], dma->buf_count - 1);
+ send_indices[i], dma->buf_count - 1);
continue;
}
buf = dma->buflist[ idx ];
process closes the /dev/drm? handle, so
it can't also be doing DMA. */
buf->list = DRM_LIST_PRIO;
- buf->used = d->send_sizes[i];
+ buf->used = send_sizes[i];
buf->context = d->context;
buf->while_locked = d->flags & _DRM_DMA_WHILE_LOCKED;
address = (unsigned long)buf->address;
if (buf->pending) {
DRM_ERROR("Sending pending buffer:"
" buffer %d, offset %d\n",
- d->send_indices[i], i);
+ send_indices[i], i);
retcode = -EINVAL;
goto cleanup;
}
if (buf->waiting) {
DRM_ERROR("Sending waiting buffer:"
" buffer %d, offset %d\n",
- d->send_indices[i], i);
+ send_indices[i], i);
retcode = -EINVAL;
goto cleanup;
}
gamma_dma_ready(dev);
gamma_free_buffer(dev, last_buf);
}
+ if (send_indices)
+ DRM(free)(send_indices, d->send_count * sizeof(*send_indices),
+ DRM_MEM_DRIVER);
+ if (send_sizes)
+ DRM(free)(send_sizes, d->send_count * sizeof(*send_sizes),
+ DRM_MEM_DRIVER);
if (must_free && !dev->context_flag) {
if (gamma_lock_free(dev, &dev->lock.hw_lock->lock,
drm_buf_t *last_buf = NULL;
int retcode = 0;
drm_device_dma_t *dma = dev->dma;
+ int send_index;
+
+ if (get_user(send_index, &d->send_indices[d->send_count-1]))
+ return -EFAULT;
if (d->flags & _DRM_DMA_BLOCK) {
- last_buf = dma->buflist[d->send_indices[d->send_count-1]];
+ last_buf = dma->buflist[send_index];
add_wait_queue(&last_buf->dma_wait, &entry);
}
{
DRM_DEBUG( "%s\n", __FUNCTION__ );
-#if _HAVE_DMA_IRQ
+#if __HAVE_IRQ
/* Make sure interrupts are disabled here because the uninstall ioctl
* may not have been called from userspace and after dev_private
* is freed, it's too late.
*/
- if ( dev->irq ) DRM(irq_uninstall)(dev);
+ if ( dev->irq_enabled ) DRM(irq_uninstall)(dev);
#endif
if ( dev->dev_private ) {