| commit | 16e3247da7f71f8c31f4330f739f6192a00c8b51 | [log] [tgz] |
|---|---|---|
| author | Gerd Hoffmann <kraxel@redhat.com> | Mon Mar 30 12:50:50 2015 +0200 |
| committer | Gerd Hoffmann <kraxel@redhat.com> | Tue Jun 02 10:17:21 2015 +0200 |
| tree | f8348ffbe2d90d24e107d418faf1c04a06eddb58 | |
| parent | 06b718c01208d8f5fff9216c95d5b20984804df7 [diff] [blame] |
drm_vblank_get: don't WARN_ON in case vblanks are not initialized Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 1967e7f..dd3fd12 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c
@@ -1056,6 +1056,9 @@ unsigned long irqflags; int ret = 0; + if (!dev->num_crtcs) + return -EINVAL; + if (WARN_ON(crtc >= dev->num_crtcs)) return -EINVAL;