diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_tc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_tc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index c96a81c2416c..a4d3d2d541c4 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -7,6 +7,7 @@ #include "intel_display.h" #include "intel_dp_mst.h" #include "intel_tc.h" +#include "intel_drv.h" static const char *tc_port_mode_name(enum tc_port_mode mode) { @@ -503,6 +504,12 @@ void intel_tc_port_unlock(struct intel_digital_port *dig_port) wakeref); } +bool intel_tc_port_ref_held(struct intel_digital_port *dig_port) +{ + return mutex_is_locked(&dig_port->tc_lock) || + dig_port->tc_link_refcount; +} + void intel_tc_port_get_link(struct intel_digital_port *dig_port, int required_lanes) { |