diff options
Diffstat (limited to 'linux/mga_context.c')
| -rw-r--r-- | linux/mga_context.c | 44 |
1 files changed, 2 insertions, 42 deletions
diff --git a/linux/mga_context.c b/linux/mga_context.c index 4e793213..aadc846e 100644 --- a/linux/mga_context.c +++ b/linux/mga_context.c @@ -194,51 +194,11 @@ int mga_rmctx(struct inode *inode, struct file *filp, unsigned int cmd, drm_file_t *priv = filp->private_data; drm_device_t *dev = priv->dev; drm_ctx_t ctx; - drm_queue_t *q; - drm_buf_t *buf; copy_from_user_ret(&ctx, (drm_ctx_t *)arg, sizeof(ctx), -EFAULT); printk("%d\n", ctx.handle); - if(ctx.handle == DRM_KERNEL_CONTEXT) { - q = dev->queuelist[ctx.handle]; - atomic_inc(&q->use_count); - if (atomic_read(&q->use_count) == 1) { - /* No longer in use */ - atomic_dec(&q->use_count); - return -EINVAL; - } - atomic_inc(&q->finalization); /* Mark queue in finalization state */ - atomic_sub(2, &q->use_count); - /* Mark queue as unused (pending finalization) */ - - while (test_and_set_bit(0, &dev->interrupt_flag)) { - printk("Calling schedule from rmctx\n"); - schedule(); - if (signal_pending(current)) { - clear_bit(0, &dev->interrupt_flag); - return -EINTR; - } - } - - /* Remove queued buffers */ - while ((buf = drm_waitlist_get(&q->waitlist))) { - drm_free_buffer(dev, buf); - } - clear_bit(0, &dev->interrupt_flag); - - /* Wakeup blocked processes */ - wake_up_interruptible(&q->read_queue); - wake_up_interruptible(&q->write_queue); - wake_up_interruptible(&q->flush_queue); - - /* Finalization over. Queue is made - available when both use_count and - finalization become 0, which won't - happen until all the waiting processes - stop waiting. */ - atomic_dec(&q->finalization); - } else { - drm_ctxbitmap_free(dev, ctx.handle); + if(ctx.handle != DRM_KERNEL_CONTEXT) { + drm_ctxbitmap_free(dev, ctx.handle); } return 0; |