The drm_atomic_get_new_connector_state() can return NULL if the connector is not part of the atomic state. Add a check to prevent a NULL pointer dereference.
This follows the same pattern used in dpu_encoder_update_topology() within the same file, which checks for NULL before using conn_state. Signed-off-by: Chenyuan Yang <[email protected]> Fixes: 1ce69c265a53 ("drm/msm/dpu: move resource allocation to CRTC") --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index c0ed110a7d30..4bddb9504796 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -729,6 +729,8 @@ bool dpu_encoder_needs_modeset(struct drm_encoder *drm_enc, struct drm_atomic_st return false; conn_state = drm_atomic_get_new_connector_state(state, connector); + if (!conn_state) + return false; /** * These checks are duplicated from dpu_encoder_update_topology() since -- 2.34.1
