@@ -204,6 +204,56 @@ static void hsw_audio_codec_enable(struct drm_connector *connector,
I915_WRITE(HSW_AUD_CFG(pipe), tmp);
}
+static void ilk_audio_codec_disable(struct intel_encoder *encoder)
+{
+ struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
+ struct drm_crtc *crtc = encoder->base.crtc;
+ struct intel_digital_port *intel_dig_port =
+ enc_to_dig_port(&encoder->base);
+ enum port port = intel_dig_port->port;
+ enum pipe pipe = to_intel_crtc(crtc)->pipe;
+ uint32_t tmp, eldv;
+ int aud_config;
+ int aud_cntrl_st2;
+
+ DRM_DEBUG_KMS("Disable audio codec on port %c, pipe %c\n",
+ port_name(port), pipe_name(pipe));
+
+ if (HAS_PCH_IBX(dev_priv->dev)) {
+ aud_config = IBX_AUD_CFG(pipe);
+ aud_cntrl_st2 = IBX_AUD_CNTL_ST2;
+ } else if (IS_VALLEYVIEW(dev_priv)) {
+ aud_config = VLV_AUD_CFG(pipe);
+ aud_cntrl_st2 = VLV_AUD_CNTL_ST2;
+ } else {
+ aud_config = CPT_AUD_CFG(pipe);
+ aud_cntrl_st2 = CPT_AUD_CNTRL_ST2;
+ }
+
+ /* Disable timestamps */
+ tmp = I915_READ(aud_config);
+ tmp &= ~AUD_CONFIG_N_VALUE_INDEX;
+ tmp |= AUD_CONFIG_N_PROG_ENABLE;
+ tmp &= ~AUD_CONFIG_UPPER_N_MASK;
+ tmp &= ~AUD_CONFIG_LOWER_N_MASK;
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT))
+ tmp |= AUD_CONFIG_N_VALUE_INDEX;
+ I915_WRITE(aud_config, tmp);
+
+ if (WARN_ON(!port)) {
+ eldv = IBX_ELD_VALIDB;
+ eldv |= IBX_ELD_VALIDB << 4;
+ eldv |= IBX_ELD_VALIDB << 8;
+ } else {
+ eldv = IBX_ELD_VALIDB << ((port - 1) * 4);
+ }
+
+ /* Invalidate ELD */
+ tmp = I915_READ(aud_cntrl_st2);
+ tmp &= ~eldv;
+ I915_WRITE(aud_cntrl_st2, tmp);
+}
+
static void ilk_audio_codec_enable(struct drm_connector *connector,
struct intel_encoder *encoder,
struct drm_display_mode *mode)
@@ -333,10 +383,12 @@ void intel_init_audio(struct drm_device *dev)
dev_priv->display.audio_codec_enable = g4x_audio_codec_enable;
} else if (IS_VALLEYVIEW(dev)) {
dev_priv->display.audio_codec_enable = ilk_audio_codec_enable;
+ dev_priv->display.audio_codec_disable = ilk_audio_codec_disable;
} else if (IS_HASWELL(dev) || INTEL_INFO(dev)->gen >= 8) {
dev_priv->display.audio_codec_enable = hsw_audio_codec_enable;
dev_priv->display.audio_codec_disable = hsw_audio_codec_disable;
} else if (HAS_PCH_SPLIT(dev)) {
dev_priv->display.audio_codec_enable = ilk_audio_codec_enable;
+ dev_priv->display.audio_codec_disable = ilk_audio_codec_disable;
}
}
@@ -2368,6 +2368,10 @@ static void intel_disable_dp(struct intel_encoder *encoder)
{
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
struct drm_device *dev = encoder->base.dev;
+ struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
+
+ if (crtc->config.has_audio)
+ intel_audio_codec_disable(encoder);
/* Make sure the panel is off before trying to change the mode. But also
* ensure that we have vdd while we switch off the panel. */
@@ -802,9 +802,13 @@ static void intel_disable_hdmi(struct intel_encoder *encoder)
struct drm_device *dev = encoder->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+ struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
u32 temp;
u32 enable_bits = SDVO_ENABLE | SDVO_AUDIO_ENABLE;
+ if (crtc->config.has_audio)
+ intel_audio_codec_disable(encoder);
+
temp = I915_READ(intel_hdmi->hdmi_reg);
/* HW workaround for IBX, we need to move the port to transcoder A
Add support for disabling the audio codec on vlv/chv/gen5-7, similar to hsw/bdw. Signed-off-by: Jani Nikula <jani.nikula@intel.com> --- drivers/gpu/drm/i915/intel_audio.c | 52 ++++++++++++++++++++++++++++++++++++++ drivers/gpu/drm/i915/intel_dp.c | 4 +++ drivers/gpu/drm/i915/intel_hdmi.c | 4 +++ 3 files changed, 60 insertions(+)