diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hdmi.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index d2e61f6c6e08..371736bdc01f 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -1246,12 +1246,13 @@ static void hsw_set_infoframes(struct intel_encoder *encoder, void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable) { struct drm_i915_private *dev_priv = intel_hdmi_to_i915(hdmi); - struct i2c_adapter *adapter = - intel_gmbus_get_adapter(dev_priv, hdmi->ddc_bus); + struct i2c_adapter *adapter; if (hdmi->dp_dual_mode.type < DRM_DP_DUAL_MODE_TYPE2_DVI) return; + adapter = intel_gmbus_get_adapter(dev_priv, hdmi->ddc_bus); + drm_dbg_kms(&dev_priv->drm, "%s DP dual mode adaptor TMDS output\n", enable ? "Enabling" : "Disabling"); @@ -2258,6 +2259,17 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder, return 0; } +void intel_hdmi_encoder_shutdown(struct intel_encoder *encoder) +{ + struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); + + /* + * Give a hand to buggy BIOSen which forget to turn + * the TMDS output buffers back on after a reboot. + */ + intel_dp_dual_mode_set_tmds_output(intel_hdmi, true); +} + static void intel_hdmi_unset_edid(struct drm_connector *connector) { |