This kills another dereference of connector->state. connector_mask holds all unchanged connectors at least and any changed connectors are already in state anyway.
Signed-off-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com --- drivers/gpu/drm/drm_atomic.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 1c1cbf436717..18cdf2c956c6 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -1419,8 +1419,13 @@ drm_atomic_add_affected_connectors(struct drm_atomic_state *state, struct drm_connector *connector; struct drm_connector_state *conn_state; struct drm_connector_list_iter conn_iter; + struct drm_crtc_state *crtc_state; int ret;
+ crtc_state = drm_atomic_get_crtc_state(state, crtc); + if (IS_ERR(crtc_state)) + return PTR_ERR(crtc_state); + ret = drm_modeset_lock(&config->connection_mutex, state->acquire_ctx); if (ret) return ret; @@ -1429,12 +1434,12 @@ drm_atomic_add_affected_connectors(struct drm_atomic_state *state, crtc->base.id, crtc->name, state);
/* - * Changed connectors are already in @state, so only need to look at the - * current configuration. + * Changed connectors are already in @state, so only need to look + * at the connector_mask in crtc_state. */ drm_connector_list_iter_get(state->dev, &conn_iter); drm_for_each_connector_iter(connector, &conn_iter) { - if (connector->state->crtc != crtc) + if (!(crtc_state->connector_mask & (1 << drm_connector_index(connector)))) continue;
conn_state = drm_atomic_get_connector_state(state, connector);