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path: root/drivers/gpu/drm/i915/intel_hdmi.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_hdmi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 31ca11134294..c4d93e6b4bed 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -836,6 +836,22 @@ static void hsw_set_infoframes(struct drm_encoder *encoder,
intel_hdmi_set_hdmi_infoframe(encoder, adjusted_mode);
}
+void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable)
+{
+ struct drm_i915_private *dev_priv = to_i915(intel_hdmi_to_dev(hdmi));
+ struct i2c_adapter *adapter =
+ intel_gmbus_get_adapter(dev_priv, hdmi->ddc_bus);
+
+ if (hdmi->dp_dual_mode.type < DRM_DP_DUAL_MODE_TYPE2_DVI)
+ return;
+
+ DRM_DEBUG_KMS("%s DP dual mode adaptor TMDS output\n",
+ enable ? "Enabling" : "Disabling");
+
+ drm_dp_dual_mode_set_tmds_output(hdmi->dp_dual_mode.type,
+ adapter, enable);
+}
+
static void intel_hdmi_prepare(struct intel_encoder *encoder)
{
struct drm_device *dev = encoder->base.dev;
@@ -845,6 +861,8 @@ static void intel_hdmi_prepare(struct intel_encoder *encoder)
const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode;
u32 hdmi_val;
+ intel_dp_dual_mode_set_tmds_output(intel_hdmi, true);
+
hdmi_val = SDVO_ENCODING_HDMI;
if (!HAS_PCH_SPLIT(dev) && crtc->config->limited_color_range)
hdmi_val |= HDMI_COLOR_RANGE_16_235;
@@ -1142,6 +1160,8 @@ static void intel_disable_hdmi(struct intel_encoder *encoder)
}
intel_hdmi->set_infoframes(&encoder->base, false, NULL);
+
+ intel_dp_dual_mode_set_tmds_output(intel_hdmi, false);
}
static void g4x_disable_hdmi(struct intel_encoder *encoder)