Our planes cannot be set at negative coordinates. Make sure we reject such
configuration.
Reported-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/sun4i/sun4i_layer.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_layer.c b/drivers/gpu/drm/sun4i/sun4i_layer.c
index f0035bf5efea..f5463c4c2cde 100644
--- a/drivers/gpu/drm/sun4i/sun4i_layer.c
+++ b/drivers/gpu/drm/sun4i/sun4i_layer.c
@@ -29,6 +29,9 @@ struct sun4i_plane_desc {
static int sun4i_backend_layer_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
+ if ((state->crtc_x < 0) || (state->crtc_y < 0))
+ return -EINVAL;
+
return 0;
}
--
2.9.3
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
