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| author | Zhenyu Wang <zhenyuw@linux.intel.com> | 2010-09-10 10:39:40 +0800 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-10-19 09:17:50 +0100 |
| commit | 2e3d6006aca163db3eeb931cec631974aaa3c293 (patch) | |
| tree | b2b3fe639cc44508f77c61e20c1af641593d85a7 | |
| parent | a9756bb5b25d5d997df0c5d8c95db01292191bea (diff) | |
| download | linux-stable-2e3d6006aca163db3eeb931cec631974aaa3c293.tar.gz linux-stable-2e3d6006aca163db3eeb931cec631974aaa3c293.tar.bz2 linux-stable-2e3d6006aca163db3eeb931cec631974aaa3c293.zip | |
drm/i915: Enable HDMI audio for monitor with audio support
Rely on monitor's audio capability to turn on audio output for HDMI.
Tested-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -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 9fb9501f2d07..2d918dc046ef 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); |