[PATCH] drm: fix drm_drv_uses_atomic_modeset on non modesetting drivers.

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

vgem seems to oops on the intel CI due to the vgem debugfs init
hitting this path now.

Check if we have mode_config funcs before checking one.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 include/drm/drm_drv.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 8830e3de3a86..3199ef70c007 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -674,7 +674,7 @@ static inline bool drm_core_check_feature(struct drm_device *dev, u32 feature)
 static inline bool drm_drv_uses_atomic_modeset(struct drm_device *dev)
 {
 	return drm_core_check_feature(dev, DRIVER_ATOMIC) ||
-		dev->mode_config.funcs->atomic_commit != NULL;
+		(dev->mode_config.funcs && dev->mode_config.funcs->atomic_commit != NULL);
 }
 
 
-- 
2.17.1