diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 9fb9501f2d0..2d918dc046e 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -42,6 +42,7 @@ struct intel_hdmi { u32 sdvox_reg; int ddc_bus; bool has_hdmi_sink; + bool has_audio; }; static struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder) @@ -72,11 +73,12 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder, if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) sdvox |= SDVO_HSYNC_ACTIVE_HIGH; - if (intel_hdmi->has_hdmi_sink) { + /* Required on CPT */ + if (intel_hdmi->has_hdmi_sink && HAS_PCH_CPT(dev)) + sdvox |= HDMI_MODE_SELECT; + + if (intel_hdmi->has_audio) sdvox |= SDVO_AUDIO_ENABLE; - if (HAS_PCH_CPT(dev)) - sdvox |= HDMI_MODE_SELECT; - } if (intel_crtc->pipe == 1) { if (HAS_PCH_CPT(dev)) @@ -154,6 +156,7 @@ intel_hdmi_detect(struct drm_connector *connector, bool force) enum drm_connector_status status = connector_status_disconnected; intel_hdmi->has_hdmi_sink = false; + intel_hdmi->has_audio = false; edid = drm_get_edid(connector, &dev_priv->gmbus[intel_hdmi->ddc_bus].adapter); @@ -161,6 +164,7 @@ intel_hdmi_detect(struct drm_connector *connector, bool force) if (edid->input & DRM_EDID_INPUT_DIGITAL) { status = connector_status_connected; intel_hdmi->has_hdmi_sink = drm_detect_hdmi_monitor(edid); + intel_hdmi->has_audio = drm_detect_monitor_audio(edid); } connector->display_info.raw_edid = NULL; kfree(edid); |