Hello Ander Conselvan de Oliveira,
The patch 944b0c765757: "drm/i915: Copy the staged connector config
to the legacy atomic state" from Mar 20, 2015, leads to the following
Smatch warning:
drivers/gpu/drm/i915/intel_display.c:11937 intel_modeset_stage_output_state()
error: 'connector_state' dereferencing possible ERR_PTR()
drivers/gpu/drm/i915/intel_display.c
11928 /* Now we've also updated encoder->new_crtc for all encoders. */
11929 for_each_intel_connector(dev, connector) {
11930 connector_state =
11931 drm_atomic_get_connector_state(state, &connector->base);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
It's complaining that this can return an ERR_PTR.
11932
11933 if (connector->new_encoder) {
11934 if (connector->new_encoder != connector->encoder)
11935 connector->encoder = connector->new_encoder;
11936 } else {
11937 connector_state->crtc = NULL;
11938 }
11939 }
regards,
dan carpenter
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