diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/g4x_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/g4x_hdmi.c | 66 |
1 files changed, 37 insertions, 29 deletions
diff --git a/drivers/gpu/drm/i915/display/g4x_hdmi.c b/drivers/gpu/drm/i915/display/g4x_hdmi.c index 45e044b4a88d..8096492b3fad 100644 --- a/drivers/gpu/drm/i915/display/g4x_hdmi.c +++ b/drivers/gpu/drm/i915/display/g4x_hdmi.c @@ -228,25 +228,51 @@ static void g4x_hdmi_enable_port(struct intel_encoder *encoder, temp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg); temp |= SDVO_ENABLE; - if (pipe_config->has_audio) - temp |= HDMI_AUDIO_ENABLE; intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp); intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg); } +static void g4x_hdmi_audio_enable(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct intel_hdmi *hdmi = enc_to_intel_hdmi(encoder); + + if (!crtc_state->has_audio) + return; + + drm_WARN_ON(&i915->drm, !crtc_state->has_hdmi_sink); + + /* Enable audio presence detect */ + intel_de_rmw(i915, hdmi->hdmi_reg, 0, HDMI_AUDIO_ENABLE); + + intel_audio_codec_enable(encoder, crtc_state, conn_state); +} + +static void g4x_hdmi_audio_disable(struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) +{ + struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct intel_hdmi *hdmi = enc_to_intel_hdmi(encoder); + + if (!old_crtc_state->has_audio) + return; + + intel_audio_codec_disable(encoder, old_crtc_state, old_conn_state); + + /* Disable audio presence detect */ + intel_de_rmw(i915, hdmi->hdmi_reg, HDMI_AUDIO_ENABLE, 0); +} + static void g4x_enable_hdmi(struct intel_atomic_state *state, struct intel_encoder *encoder, const struct intel_crtc_state *pipe_config, const struct drm_connector_state *conn_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - g4x_hdmi_enable_port(encoder, pipe_config); - - drm_WARN_ON(&dev_priv->drm, pipe_config->has_audio && - !pipe_config->has_hdmi_sink); - intel_audio_codec_enable(encoder, pipe_config, conn_state); } static void ibx_enable_hdmi(struct intel_atomic_state *state, @@ -262,8 +288,6 @@ static void ibx_enable_hdmi(struct intel_atomic_state *state, temp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg); temp |= SDVO_ENABLE; - if (pipe_config->has_audio) - temp |= HDMI_AUDIO_ENABLE; /* * HW workaround, need to write this twice for issue @@ -296,10 +320,6 @@ static void ibx_enable_hdmi(struct intel_atomic_state *state, intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp); intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg); } - - drm_WARN_ON(&dev_priv->drm, pipe_config->has_audio && - !pipe_config->has_hdmi_sink); - intel_audio_codec_enable(encoder, pipe_config, conn_state); } static void cpt_enable_hdmi(struct intel_atomic_state *state, @@ -317,8 +337,6 @@ static void cpt_enable_hdmi(struct intel_atomic_state *state, temp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg); temp |= SDVO_ENABLE; - if (pipe_config->has_audio) - temp |= HDMI_AUDIO_ENABLE; /* * WaEnableHDMI8bpcBefore12bpc:snb,ivb @@ -351,10 +369,6 @@ static void cpt_enable_hdmi(struct intel_atomic_state *state, intel_de_rmw(dev_priv, TRANS_CHICKEN1(pipe), TRANS_CHICKEN1_HDMIUNIT_GC_DISABLE, 0); } - - drm_WARN_ON(&dev_priv->drm, pipe_config->has_audio && - !pipe_config->has_hdmi_sink); - intel_audio_codec_enable(encoder, pipe_config, conn_state); } static void vlv_enable_hdmi(struct intel_atomic_state *state, @@ -362,11 +376,6 @@ static void vlv_enable_hdmi(struct intel_atomic_state *state, const struct intel_crtc_state *pipe_config, const struct drm_connector_state *conn_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - - drm_WARN_ON(&dev_priv->drm, pipe_config->has_audio && - !pipe_config->has_hdmi_sink); - intel_audio_codec_enable(encoder, pipe_config, conn_state); } static void intel_disable_hdmi(struct intel_atomic_state *state, @@ -384,7 +393,7 @@ static void intel_disable_hdmi(struct intel_atomic_state *state, temp = intel_de_read(dev_priv, intel_hdmi->hdmi_reg); - temp &= ~(SDVO_ENABLE | HDMI_AUDIO_ENABLE); + temp &= ~SDVO_ENABLE; intel_de_write(dev_priv, intel_hdmi->hdmi_reg, temp); intel_de_posting_read(dev_priv, intel_hdmi->hdmi_reg); @@ -433,8 +442,6 @@ static void g4x_disable_hdmi(struct intel_atomic_state *state, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { - intel_audio_codec_disable(encoder, old_crtc_state, old_conn_state); - intel_disable_hdmi(state, encoder, old_crtc_state, old_conn_state); } @@ -443,7 +450,6 @@ static void pch_disable_hdmi(struct intel_atomic_state *state, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { - intel_audio_codec_disable(encoder, old_crtc_state, old_conn_state); } static void pch_post_disable_hdmi(struct intel_atomic_state *state, @@ -750,6 +756,8 @@ void g4x_hdmi_init(struct drm_i915_private *dev_priv, else intel_encoder->enable = g4x_enable_hdmi; } + intel_encoder->audio_enable = g4x_hdmi_audio_enable; + intel_encoder->audio_disable = g4x_hdmi_audio_disable; intel_encoder->shutdown = intel_hdmi_encoder_shutdown; intel_encoder->type = INTEL_OUTPUT_HDMI; |