diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_aux.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_aux.c | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c index 2e2af71bcd5a..4f4a0e3b3114 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c @@ -9,6 +9,7 @@ #include "intel_bios.h" #include "intel_de.h" #include "intel_display_types.h" +#include "intel_dp.h" #include "intel_dp_aux.h" #include "intel_dp_aux_regs.h" #include "intel_pps.h" @@ -228,9 +229,8 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp, u32 aux_send_ctl_flags) { struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct intel_encoder *encoder = &dig_port->base; struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); - enum phy phy = intel_port_to_phy(i915, dig_port->base.port); - bool is_tc_port = intel_phy_is_tc(i915, phy); i915_reg_t ch_ctl, ch_data[5]; u32 aux_clock_divider; enum intel_display_power_domain aux_domain; @@ -245,18 +245,16 @@ 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(dig_port); - /* - * Abort transfers on a disconnected port as required by - * DP 1.4a link CTS 4.2.1.5, also avoiding the long AUX - * timeouts that would otherwise happen. - * TODO: abort the transfer on non-TC ports as well. - */ - if (!intel_tc_port_connected_locked(&dig_port->base)) { - ret = -ENXIO; - goto out_unlock; - } + intel_digital_port_lock(encoder); + /* + * Abort transfers on a disconnected port as required by + * DP 1.4a link CTS 4.2.1.5, also avoiding the long AUX + * timeouts that would otherwise happen. + */ + if (!intel_dp_is_edp(intel_dp) && + !intel_digital_port_connected_locked(&dig_port->base)) { + ret = -ENXIO; + goto out_unlock; } aux_domain = intel_aux_power_domain(dig_port); @@ -423,8 +421,7 @@ out: intel_pps_unlock(intel_dp, pps_wakeref); intel_display_power_put_async(i915, aux_domain, aux_wakeref); out_unlock: - if (is_tc_port) - intel_tc_port_unlock(dig_port); + intel_digital_port_unlock(encoder); return ret; } |