diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_alpm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_alpm.c b/drivers/gpu/drm/i915/display/intel_alpm.c index 482dd192d47d..1bf08b80c23f 100644 --- a/drivers/gpu/drm/i915/display/intel_alpm.c +++ b/drivers/gpu/drm/i915/display/intel_alpm.c @@ -556,7 +556,7 @@ void intel_alpm_disable(struct intel_dp *intel_dp) struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->alpm_parameters.transcoder; - if (DISPLAY_VER(display) < 20) + if (DISPLAY_VER(display) < 20 || !intel_dp->alpm_dpcd) return; mutex_lock(&intel_dp->alpm_parameters.lock); |