[Intel-gfx] [PATCH 2/5] drm/i915: Protect against deferred fbdev setup

[Daniel Vetter]

We could probably hit this already with our current async fbdev init,
but it's much easier to hit this with the new deferred fbdev setup
that I'm working on polishing.

Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Reported-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst at intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 643f56b8b87c..9f7e7730bb82 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1931,7 +1931,7 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
 		return ret;
 
 #ifdef CONFIG_DRM_FBDEV_EMULATION
-	if (dev_priv->fbdev) {
+	if (dev_priv->fbdev && dev_priv->fbdev->helper.fb) {
 		fbdev_fb = to_intel_framebuffer(dev_priv->fbdev->helper.fb);
 
 		seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ",
-- 
2.13.2