diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index b2591148670b..a320bb0292d9 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -5426,8 +5426,24 @@ edp_detect(struct intel_dp *intel_dp) return connector_status_connected; } +void intel_digital_port_lock(struct intel_encoder *encoder) +{ + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + + if (dig_port->lock) + dig_port->lock(dig_port); +} + +void intel_digital_port_unlock(struct intel_encoder *encoder) +{ + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + + if (dig_port->unlock) + dig_port->unlock(dig_port); +} + /* - * intel_digital_port_connected - is the specified port connected? + * intel_digital_port_connected_locked - is the specified port connected? * @encoder: intel_encoder * * In cases where there's a connector physically connected but it can't be used @@ -5435,9 +5451,12 @@ edp_detect(struct intel_dp *intel_dp) * pretty much treat the port as disconnected. This is relevant for type-C * (starting on ICL) where there's ownership involved. * + * The caller must hold the lock acquired by calling intel_digital_port_lock() + * when calling this function. + * * Return %true if port is connected, %false otherwise. */ -bool intel_digital_port_connected(struct intel_encoder *encoder) +bool intel_digital_port_connected_locked(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); @@ -5450,6 +5469,17 @@ bool intel_digital_port_connected(struct intel_encoder *encoder) return is_connected; } +bool intel_digital_port_connected(struct intel_encoder *encoder) +{ + bool ret; + + intel_digital_port_lock(encoder); + ret = intel_digital_port_connected_locked(encoder); + intel_digital_port_unlock(encoder); + + return ret; +} + static const struct drm_edid * intel_dp_get_edid(struct intel_dp *intel_dp) { |