[PATCH] drm/atomic: Remove WARN_ON for invalid plane configuration.

[Maarten Lankhorst]

Userspace can set a FB_ID on a plane without setting CRTC_ID, which
will fail with -EINVAL, but the kernel shouldn't warn about that.

Same for !FB_ID and CRTC_ID being set.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Acked-by: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/drm_atomic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 51a848c553b9..7d9ad20040a1 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -863,10 +863,10 @@ static int drm_atomic_plane_check(struct drm_plane *plane,
 	int ret;
 
 	/* either *both* CRTC and FB must be set, or neither */
-	if (WARN_ON(state->crtc && !state->fb)) {
+	if (state->crtc && !state->fb) {
 		DRM_DEBUG_ATOMIC("CRTC set but no FB\n");
 		return -EINVAL;
-	} else if (WARN_ON(state->fb && !state->crtc)) {
+	} else if (state->fb && !state->crtc) {
 		DRM_DEBUG_ATOMIC("FB set but no CRTC\n");
 		return -EINVAL;
 	}
-- 
2.15.1