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path: root/drivers/gpu/drm/drm_debugfs_crc.c
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Diffstat (limited to 'drivers/gpu/drm/drm_debugfs_crc.c')
-rw-r--r--drivers/gpu/drm/drm_debugfs_crc.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/gpu/drm/drm_debugfs_crc.c b/drivers/gpu/drm/drm_debugfs_crc.c
index 3e0a2cfaa35c..00e743153e94 100644
--- a/drivers/gpu/drm/drm_debugfs_crc.c
+++ b/drivers/gpu/drm/drm_debugfs_crc.c
@@ -228,24 +228,8 @@ static int crtc_crc_open(struct inode *inode, struct file *filep)
if (ret)
goto err;
- spin_lock_irq(&crc->lock);
- /*
- * Only return once we got a first frame, so userspace doesn't have to
- * guess when this particular piece of HW will be ready to start
- * generating CRCs.
- */
- ret = wait_event_interruptible_lock_irq(crc->wq,
- crtc_crc_data_count(crc),
- crc->lock);
- spin_unlock_irq(&crc->lock);
-
- if (ret)
- goto err_disable;
-
return 0;
-err_disable:
- crtc->funcs->set_crc_source(crtc, NULL);
err:
spin_lock_irq(&crc->lock);
crtc_crc_cleanup(crc);