diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 0c6afec78f93..8f7188d71d08 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1192,6 +1192,7 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp, struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev); struct intel_uncore *uncore = &i915->uncore; + bool is_tc_port = intel_port_is_tc(i915, intel_dig_port->base.port); i915_reg_t ch_ctl, ch_data[5]; u32 aux_clock_divider; enum intel_display_power_domain aux_domain = @@ -1207,6 +1208,9 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp, for (i = 0; i < ARRAY_SIZE(ch_data); i++) ch_data[i] = intel_dp->aux_ch_data_reg(intel_dp, i); + if (is_tc_port) + intel_tc_port_lock(intel_dig_port); + aux_wakeref = intel_display_power_get(i915, aux_domain); pps_wakeref = pps_lock(intel_dp); @@ -1359,6 +1363,9 @@ out: pps_unlock(intel_dp, pps_wakeref); intel_display_power_put_async(i915, aux_domain, aux_wakeref); + if (is_tc_port) + intel_tc_port_unlock(intel_dig_port); + return ret; } |