Message ID | 1470188796-31850-2-git-send-email-dhinakaran.pandiyan@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Add Takashi Regards, Libin > -----Original Message----- > From: Pandiyan, Dhinakaran > Sent: Wednesday, August 3, 2016 9:47 AM > To: intel-gfx@lists.freedesktop.org > Cc: cpaul@redhat.com; ville.syrjala@linux.intel.com; Yang, Libin > <libin.yang@intel.com>; Libin Yang <libin.yang@linux.intel.com> > Subject: [PATCH 1/3] drm/i915: start adding dp mst audio > > From: Libin Yang <libin.yang@linux.intel.com> > > (This patch is developed by Dave Airlie <airlied@redhat.com> originally) > > This patch adds support for DP MST audio in i915. > > Enable audio codec when DP MST is enabled if has_audio flag is set. > Disable audio codec when DP MST is disabled if has_audio flag is set. > > Another separated patches to support DP MST audio will be implemented in > audio driver. > > Signed-off-by: Libin Yang <libin.yang@linux.intel.com> > --- > drivers/gpu/drm/i915/i915_debugfs.c | 19 ++++++++++++++++++- > drivers/gpu/drm/i915/intel_ddi.c | 20 +++++++++++++++----- > drivers/gpu/drm/i915/intel_dp_mst.c | 21 +++++++++++++++++++++ > drivers/gpu/drm/i915/intel_drv.h | 2 ++ > 4 files changed, 56 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_debugfs.c > b/drivers/gpu/drm/i915/i915_debugfs.c > index 531ca02..56e38b1 100644 > --- a/drivers/gpu/drm/i915/i915_debugfs.c > +++ b/drivers/gpu/drm/i915/i915_debugfs.c > @@ -2961,6 +2961,20 @@ static void intel_dp_info(struct seq_file *m, > intel_panel_info(m, &intel_connector->panel); } > > +static void intel_dp_mst_info(struct seq_file *m, > + struct intel_connector *intel_connector) { > + struct intel_encoder *intel_encoder = intel_connector->encoder; > + struct intel_dp_mst_encoder *intel_mst = > + enc_to_mst(&intel_encoder->base); > + struct intel_digital_port *intel_dig_port = intel_mst->primary; > + struct intel_dp *intel_dp = &intel_dig_port->dp; > + bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, > + intel_connector->port); > + > + seq_printf(m, "\taudio support: %s\n", yesno(has_audio)); } > + > static void intel_hdmi_info(struct seq_file *m, > struct intel_connector *intel_connector) { @@ - > 3003,7 +3017,10 @@ static void intel_connector_info(struct seq_file *m, > switch (connector->connector_type) { > case DRM_MODE_CONNECTOR_DisplayPort: > case DRM_MODE_CONNECTOR_eDP: > - intel_dp_info(m, intel_connector); > + if (intel_encoder->type == INTEL_OUTPUT_DP_MST) > + intel_dp_mst_info(m, intel_connector); > + else > + intel_dp_info(m, intel_connector); > break; > case DRM_MODE_CONNECTOR_LVDS: > if (intel_encoder->type == INTEL_OUTPUT_LVDS) diff --git > a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c > index dd1d6fe..cbb4e7a 100644 > --- a/drivers/gpu/drm/i915/intel_ddi.c > +++ b/drivers/gpu/drm/i915/intel_ddi.c > @@ -2154,6 +2154,19 @@ void intel_ddi_fdi_disable(struct drm_crtc *crtc) > I915_WRITE(FDI_RX_CTL(PIPE_A), val); > } > > +bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, > + struct intel_crtc *intel_crtc) > +{ > + u32 temp; > + > + if (intel_display_power_is_enabled(dev_priv, > POWER_DOMAIN_AUDIO)) { > + temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD); > + if (temp & AUDIO_OUTPUT_ENABLE(intel_crtc->pipe)) > + return true; > + } > + return false; > +} > + > void intel_ddi_get_config(struct intel_encoder *encoder, > struct intel_crtc_state *pipe_config) { @@ -2219,11 > +2232,8 @@ void intel_ddi_get_config(struct intel_encoder *encoder, > break; > } > > - if (intel_display_power_is_enabled(dev_priv, > POWER_DOMAIN_AUDIO)) { > - temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD); > - if (temp & AUDIO_OUTPUT_ENABLE(intel_crtc->pipe)) > - pipe_config->has_audio = true; > - } > + pipe_config->has_audio = > + intel_ddi_is_audio_enabled(dev_priv, intel_crtc); > > if (encoder->type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.bpp > && > pipe_config->pipe_bpp > dev_priv->vbt.edp.bpp) { diff --git > a/drivers/gpu/drm/i915/intel_dp_mst.c > b/drivers/gpu/drm/i915/intel_dp_mst.c > index 68a005d..84dbb50 100644 > --- a/drivers/gpu/drm/i915/intel_dp_mst.c > +++ b/drivers/gpu/drm/i915/intel_dp_mst.c > @@ -76,6 +76,8 @@ static bool intel_dp_mst_compute_config(struct > intel_encoder *encoder, > return false; > } > > + if (drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, found->port)) > + pipe_config->has_audio = true; > mst_pbn = drm_dp_calc_pbn_mode(adjusted_mode->crtc_clock, bpp); > > pipe_config->pbn = mst_pbn; > @@ -97,6 +99,10 @@ static void intel_mst_disable_dp(struct intel_encoder > *encoder) > struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder- > >base); > struct intel_digital_port *intel_dig_port = intel_mst->primary; > struct intel_dp *intel_dp = &intel_dig_port->dp; > + struct drm_device *dev = encoder->base.dev; > + struct drm_i915_private *dev_priv = dev->dev_private; > + struct drm_crtc *crtc = encoder->base.crtc; > + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); > int ret; > > DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); @@ -107,6 > +113,10 @@ static void intel_mst_disable_dp(struct intel_encoder *encoder) > if (ret) { > DRM_ERROR("failed to update payload %d\n", ret); > } > + if (intel_crtc->config->has_audio) { > + intel_audio_codec_disable(encoder); > + intel_display_power_put(dev_priv, POWER_DOMAIN_AUDIO); > + } > } > > static void intel_mst_post_disable_dp(struct intel_encoder *encoder) @@ - > 207,7 +217,9 @@ static void intel_mst_enable_dp(struct intel_encoder > *encoder) > struct intel_dp *intel_dp = &intel_dig_port->dp; > struct drm_device *dev = intel_dig_port->base.base.dev; > struct drm_i915_private *dev_priv = to_i915(dev); > + struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); > enum port port = intel_dig_port->port; > + enum pipe pipe = crtc->pipe; > int ret; > > DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); @@ -222,6 > +234,12 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder) > ret = drm_dp_check_act_status(&intel_dp->mst_mgr); > > ret = drm_dp_update_payload_part2(&intel_dp->mst_mgr); > + if (crtc->config->has_audio) { > + DRM_DEBUG_DRIVER("Enabling DP audio on pipe %c\n", > + pipe_name(pipe)); > + intel_display_power_get(dev_priv, POWER_DOMAIN_AUDIO); > + intel_audio_codec_enable(encoder); > + } > } > > static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder *encoder, > @@ -245,6 +263,9 @@ static void intel_dp_mst_enc_get_config(struct > intel_encoder *encoder, > enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; > u32 temp, flags = 0; > > + pipe_config->has_audio = > + intel_ddi_is_audio_enabled(dev_priv, crtc); > + > temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); > if (temp & TRANS_DDI_PHSYNC) > flags |= DRM_MODE_FLAG_PHSYNC; > diff --git a/drivers/gpu/drm/i915/intel_drv.h > b/drivers/gpu/drm/i915/intel_drv.h > index e74d851..f73de63c 100644 > --- a/drivers/gpu/drm/i915/intel_drv.h > +++ b/drivers/gpu/drm/i915/intel_drv.h > @@ -1123,6 +1123,8 @@ void intel_ddi_set_pipe_settings(struct drm_crtc > *crtc); void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp); bool > intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector); > void intel_ddi_fdi_disable(struct drm_crtc *crtc); > +bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, > + struct intel_crtc *intel_crtc); > void intel_ddi_get_config(struct intel_encoder *encoder, > struct intel_crtc_state *pipe_config); struct > intel_encoder * > -- > 2.5.0
This should be added after patch #3, since that's the one that fixes enc_to_mst(). Otherwise: Reviewed-by: Lyude <cpaul@redhat.com> On Tue, 2016-08-02 at 18:46 -0700, Dhinakaran Pandiyan wrote: > From: Libin Yang <libin.yang@linux.intel.com> > > (This patch is developed by Dave Airlie <airlied@redhat.com> > originally) > > This patch adds support for DP MST audio in i915. > > Enable audio codec when DP MST is enabled if has_audio flag is set. > Disable audio codec when DP MST is disabled if has_audio flag is set. > > Another separated patches to support DP MST audio will be implemented > in audio driver. > > Signed-off-by: Libin Yang <libin.yang@linux.intel.com> > --- > drivers/gpu/drm/i915/i915_debugfs.c | 19 ++++++++++++++++++- > drivers/gpu/drm/i915/intel_ddi.c | 20 +++++++++++++++----- > drivers/gpu/drm/i915/intel_dp_mst.c | 21 +++++++++++++++++++++ > drivers/gpu/drm/i915/intel_drv.h | 2 ++ > 4 files changed, 56 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_debugfs.c > b/drivers/gpu/drm/i915/i915_debugfs.c > index 531ca02..56e38b1 100644 > --- a/drivers/gpu/drm/i915/i915_debugfs.c > +++ b/drivers/gpu/drm/i915/i915_debugfs.c > @@ -2961,6 +2961,20 @@ static void intel_dp_info(struct seq_file *m, > intel_panel_info(m, &intel_connector->panel); > } > > +static void intel_dp_mst_info(struct seq_file *m, > + struct intel_connector *intel_connector) > +{ > + struct intel_encoder *intel_encoder = intel_connector- > >encoder; > + struct intel_dp_mst_encoder *intel_mst = > + enc_to_mst(&intel_encoder->base); > + struct intel_digital_port *intel_dig_port = intel_mst- > >primary; > + struct intel_dp *intel_dp = &intel_dig_port->dp; > + bool has_audio = drm_dp_mst_port_has_audio(&intel_dp- > >mst_mgr, > + intel_connector->port); > + > + seq_printf(m, "\taudio support: %s\n", yesno(has_audio)); > +} > + > static void intel_hdmi_info(struct seq_file *m, > struct intel_connector *intel_connector) > { > @@ -3003,7 +3017,10 @@ static void intel_connector_info(struct > seq_file *m, > switch (connector->connector_type) { > case DRM_MODE_CONNECTOR_DisplayPort: > case DRM_MODE_CONNECTOR_eDP: > - intel_dp_info(m, intel_connector); > + if (intel_encoder->type == INTEL_OUTPUT_DP_MST) > + intel_dp_mst_info(m, intel_connector); > + else > + intel_dp_info(m, intel_connector); > break; > case DRM_MODE_CONNECTOR_LVDS: > if (intel_encoder->type == INTEL_OUTPUT_LVDS) > diff --git a/drivers/gpu/drm/i915/intel_ddi.c > b/drivers/gpu/drm/i915/intel_ddi.c > index dd1d6fe..cbb4e7a 100644 > --- a/drivers/gpu/drm/i915/intel_ddi.c > +++ b/drivers/gpu/drm/i915/intel_ddi.c > @@ -2154,6 +2154,19 @@ void intel_ddi_fdi_disable(struct drm_crtc > *crtc) > I915_WRITE(FDI_RX_CTL(PIPE_A), val); > } > > +bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, > + struct intel_crtc *intel_crtc) > +{ > + u32 temp; > + > + if (intel_display_power_is_enabled(dev_priv, > POWER_DOMAIN_AUDIO)) { > + temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD); > + if (temp & AUDIO_OUTPUT_ENABLE(intel_crtc->pipe)) > + return true; > + } > + return false; > +} > + > void intel_ddi_get_config(struct intel_encoder *encoder, > struct intel_crtc_state *pipe_config) > { > @@ -2219,11 +2232,8 @@ void intel_ddi_get_config(struct intel_encoder > *encoder, > break; > } > > - if (intel_display_power_is_enabled(dev_priv, > POWER_DOMAIN_AUDIO)) { > - temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD); > - if (temp & AUDIO_OUTPUT_ENABLE(intel_crtc->pipe)) > - pipe_config->has_audio = true; > - } > + pipe_config->has_audio = > + intel_ddi_is_audio_enabled(dev_priv, intel_crtc); > > if (encoder->type == INTEL_OUTPUT_EDP && dev_priv- > >vbt.edp.bpp && > pipe_config->pipe_bpp > dev_priv->vbt.edp.bpp) { > diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c > b/drivers/gpu/drm/i915/intel_dp_mst.c > index 68a005d..84dbb50 100644 > --- a/drivers/gpu/drm/i915/intel_dp_mst.c > +++ b/drivers/gpu/drm/i915/intel_dp_mst.c > @@ -76,6 +76,8 @@ static bool intel_dp_mst_compute_config(struct > intel_encoder *encoder, > return false; > } > > + if (drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, found- > >port)) > + pipe_config->has_audio = true; > mst_pbn = drm_dp_calc_pbn_mode(adjusted_mode->crtc_clock, > bpp); > > pipe_config->pbn = mst_pbn; > @@ -97,6 +99,10 @@ static void intel_mst_disable_dp(struct > intel_encoder *encoder) > struct intel_dp_mst_encoder *intel_mst = > enc_to_mst(&encoder->base); > struct intel_digital_port *intel_dig_port = intel_mst- > >primary; > struct intel_dp *intel_dp = &intel_dig_port->dp; > + struct drm_device *dev = encoder->base.dev; > + struct drm_i915_private *dev_priv = dev->dev_private; > + struct drm_crtc *crtc = encoder->base.crtc; > + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); > int ret; > > DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); > @@ -107,6 +113,10 @@ static void intel_mst_disable_dp(struct > intel_encoder *encoder) > if (ret) { > DRM_ERROR("failed to update payload %d\n", ret); > } > + if (intel_crtc->config->has_audio) { > + intel_audio_codec_disable(encoder); > + intel_display_power_put(dev_priv, > POWER_DOMAIN_AUDIO); > + } > } > > static void intel_mst_post_disable_dp(struct intel_encoder *encoder) > @@ -207,7 +217,9 @@ static void intel_mst_enable_dp(struct > intel_encoder *encoder) > struct intel_dp *intel_dp = &intel_dig_port->dp; > struct drm_device *dev = intel_dig_port->base.base.dev; > struct drm_i915_private *dev_priv = to_i915(dev); > + struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); > enum port port = intel_dig_port->port; > + enum pipe pipe = crtc->pipe; > int ret; > > DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); > @@ -222,6 +234,12 @@ static void intel_mst_enable_dp(struct > intel_encoder *encoder) > ret = drm_dp_check_act_status(&intel_dp->mst_mgr); > > ret = drm_dp_update_payload_part2(&intel_dp->mst_mgr); > + if (crtc->config->has_audio) { > + DRM_DEBUG_DRIVER("Enabling DP audio on pipe %c\n", > + pipe_name(pipe)); > + intel_display_power_get(dev_priv, > POWER_DOMAIN_AUDIO); > + intel_audio_codec_enable(encoder); > + } > } > > static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder > *encoder, > @@ -245,6 +263,9 @@ static void intel_dp_mst_enc_get_config(struct > intel_encoder *encoder, > enum transcoder cpu_transcoder = pipe_config- > >cpu_transcoder; > u32 temp, flags = 0; > > + pipe_config->has_audio = > + intel_ddi_is_audio_enabled(dev_priv, crtc); > + > temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); > if (temp & TRANS_DDI_PHSYNC) > flags |= DRM_MODE_FLAG_PHSYNC; > diff --git a/drivers/gpu/drm/i915/intel_drv.h > b/drivers/gpu/drm/i915/intel_drv.h > index e74d851..f73de63c 100644 > --- a/drivers/gpu/drm/i915/intel_drv.h > +++ b/drivers/gpu/drm/i915/intel_drv.h > @@ -1123,6 +1123,8 @@ void intel_ddi_set_pipe_settings(struct > drm_crtc *crtc); > void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp); > bool intel_ddi_connector_get_hw_state(struct intel_connector > *intel_connector); > void intel_ddi_fdi_disable(struct drm_crtc *crtc); > +bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, > + struct intel_crtc *intel_crtc); > void intel_ddi_get_config(struct intel_encoder *encoder, > struct intel_crtc_state *pipe_config); > struct intel_encoder *
Thanks Lyude. I realized that after sending the patches, will fix that. On Thu, 2016-08-04 at 19:42 -0400, Lyude wrote: > This should be added after patch #3, since that's the one that fixes > enc_to_mst(). Otherwise: > > Reviewed-by: Lyude <cpaul@redhat.com> > > On Tue, 2016-08-02 at 18:46 -0700, Dhinakaran Pandiyan wrote: > > From: Libin Yang <libin.yang@linux.intel.com> > > > > (This patch is developed by Dave Airlie <airlied@redhat.com> > > originally) > > > > This patch adds support for DP MST audio in i915. > > > > Enable audio codec when DP MST is enabled if has_audio flag is set. > > Disable audio codec when DP MST is disabled if has_audio flag is set. > > > > Another separated patches to support DP MST audio will be implemented > > in audio driver. > > > > Signed-off-by: Libin Yang <libin.yang@linux.intel.com> > > --- > > drivers/gpu/drm/i915/i915_debugfs.c | 19 ++++++++++++++++++- > > drivers/gpu/drm/i915/intel_ddi.c | 20 +++++++++++++++----- > > drivers/gpu/drm/i915/intel_dp_mst.c | 21 +++++++++++++++++++++ > > drivers/gpu/drm/i915/intel_drv.h | 2 ++ > > 4 files changed, 56 insertions(+), 6 deletions(-) > > > > diff --git a/drivers/gpu/drm/i915/i915_debugfs.c > > b/drivers/gpu/drm/i915/i915_debugfs.c > > index 531ca02..56e38b1 100644 > > --- a/drivers/gpu/drm/i915/i915_debugfs.c > > +++ b/drivers/gpu/drm/i915/i915_debugfs.c > > @@ -2961,6 +2961,20 @@ static void intel_dp_info(struct seq_file *m, > > intel_panel_info(m, &intel_connector->panel); > > } > > > > +static void intel_dp_mst_info(struct seq_file *m, > > + struct intel_connector *intel_connector) > > +{ > > + struct intel_encoder *intel_encoder = intel_connector- > > >encoder; > > + struct intel_dp_mst_encoder *intel_mst = > > + enc_to_mst(&intel_encoder->base); > > + struct intel_digital_port *intel_dig_port = intel_mst- > > >primary; > > + struct intel_dp *intel_dp = &intel_dig_port->dp; > > + bool has_audio = drm_dp_mst_port_has_audio(&intel_dp- > > >mst_mgr, > > + intel_connector->port); > > + > > + seq_printf(m, "\taudio support: %s\n", yesno(has_audio)); > > +} > > + > > static void intel_hdmi_info(struct seq_file *m, > > struct intel_connector *intel_connector) > > { > > @@ -3003,7 +3017,10 @@ static void intel_connector_info(struct > > seq_file *m, > > switch (connector->connector_type) { > > case DRM_MODE_CONNECTOR_DisplayPort: > > case DRM_MODE_CONNECTOR_eDP: > > - intel_dp_info(m, intel_connector); > > + if (intel_encoder->type == INTEL_OUTPUT_DP_MST) > > + intel_dp_mst_info(m, intel_connector); > > + else > > + intel_dp_info(m, intel_connector); > > break; > > case DRM_MODE_CONNECTOR_LVDS: > > if (intel_encoder->type == INTEL_OUTPUT_LVDS) > > diff --git a/drivers/gpu/drm/i915/intel_ddi.c > > b/drivers/gpu/drm/i915/intel_ddi.c > > index dd1d6fe..cbb4e7a 100644 > > --- a/drivers/gpu/drm/i915/intel_ddi.c > > +++ b/drivers/gpu/drm/i915/intel_ddi.c > > @@ -2154,6 +2154,19 @@ void intel_ddi_fdi_disable(struct drm_crtc > > *crtc) > > I915_WRITE(FDI_RX_CTL(PIPE_A), val); > > } > > > > +bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, > > + struct intel_crtc *intel_crtc) > > +{ > > + u32 temp; > > + > > + if (intel_display_power_is_enabled(dev_priv, > > POWER_DOMAIN_AUDIO)) { > > + temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD); > > + if (temp & AUDIO_OUTPUT_ENABLE(intel_crtc->pipe)) > > + return true; > > + } > > + return false; > > +} > > + > > void intel_ddi_get_config(struct intel_encoder *encoder, > > struct intel_crtc_state *pipe_config) > > { > > @@ -2219,11 +2232,8 @@ void intel_ddi_get_config(struct intel_encoder > > *encoder, > > break; > > } > > > > - if (intel_display_power_is_enabled(dev_priv, > > POWER_DOMAIN_AUDIO)) { > > - temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD); > > - if (temp & AUDIO_OUTPUT_ENABLE(intel_crtc->pipe)) > > - pipe_config->has_audio = true; > > - } > > + pipe_config->has_audio = > > + intel_ddi_is_audio_enabled(dev_priv, intel_crtc); > > > > if (encoder->type == INTEL_OUTPUT_EDP && dev_priv- > > >vbt.edp.bpp && > > pipe_config->pipe_bpp > dev_priv->vbt.edp.bpp) { > > diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c > > b/drivers/gpu/drm/i915/intel_dp_mst.c > > index 68a005d..84dbb50 100644 > > --- a/drivers/gpu/drm/i915/intel_dp_mst.c > > +++ b/drivers/gpu/drm/i915/intel_dp_mst.c > > @@ -76,6 +76,8 @@ static bool intel_dp_mst_compute_config(struct > > intel_encoder *encoder, > > return false; > > } > > > > + if (drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, found- > > >port)) > > + pipe_config->has_audio = true; > > mst_pbn = drm_dp_calc_pbn_mode(adjusted_mode->crtc_clock, > > bpp); > > > > pipe_config->pbn = mst_pbn; > > @@ -97,6 +99,10 @@ static void intel_mst_disable_dp(struct > > intel_encoder *encoder) > > struct intel_dp_mst_encoder *intel_mst = > > enc_to_mst(&encoder->base); > > struct intel_digital_port *intel_dig_port = intel_mst- > > >primary; > > struct intel_dp *intel_dp = &intel_dig_port->dp; > > + struct drm_device *dev = encoder->base.dev; > > + struct drm_i915_private *dev_priv = dev->dev_private; > > + struct drm_crtc *crtc = encoder->base.crtc; > > + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); > > int ret; > > > > DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); > > @@ -107,6 +113,10 @@ static void intel_mst_disable_dp(struct > > intel_encoder *encoder) > > if (ret) { > > DRM_ERROR("failed to update payload %d\n", ret); > > } > > + if (intel_crtc->config->has_audio) { > > + intel_audio_codec_disable(encoder); > > + intel_display_power_put(dev_priv, > > POWER_DOMAIN_AUDIO); > > + } > > } > > > > static void intel_mst_post_disable_dp(struct intel_encoder *encoder) > > @@ -207,7 +217,9 @@ static void intel_mst_enable_dp(struct > > intel_encoder *encoder) > > struct intel_dp *intel_dp = &intel_dig_port->dp; > > struct drm_device *dev = intel_dig_port->base.base.dev; > > struct drm_i915_private *dev_priv = to_i915(dev); > > + struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); > > enum port port = intel_dig_port->port; > > + enum pipe pipe = crtc->pipe; > > int ret; > > > > DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); > > @@ -222,6 +234,12 @@ static void intel_mst_enable_dp(struct > > intel_encoder *encoder) > > ret = drm_dp_check_act_status(&intel_dp->mst_mgr); > > > > ret = drm_dp_update_payload_part2(&intel_dp->mst_mgr); > > + if (crtc->config->has_audio) { > > + DRM_DEBUG_DRIVER("Enabling DP audio on pipe %c\n", > > + pipe_name(pipe)); > > + intel_display_power_get(dev_priv, > > POWER_DOMAIN_AUDIO); > > + intel_audio_codec_enable(encoder); > > + } > > } > > > > static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder > > *encoder, > > @@ -245,6 +263,9 @@ static void intel_dp_mst_enc_get_config(struct > > intel_encoder *encoder, > > enum transcoder cpu_transcoder = pipe_config- > > >cpu_transcoder; > > u32 temp, flags = 0; > > > > + pipe_config->has_audio = > > + intel_ddi_is_audio_enabled(dev_priv, crtc); > > + > > temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); > > if (temp & TRANS_DDI_PHSYNC) > > flags |= DRM_MODE_FLAG_PHSYNC; > > diff --git a/drivers/gpu/drm/i915/intel_drv.h > > b/drivers/gpu/drm/i915/intel_drv.h > > index e74d851..f73de63c 100644 > > --- a/drivers/gpu/drm/i915/intel_drv.h > > +++ b/drivers/gpu/drm/i915/intel_drv.h > > @@ -1123,6 +1123,8 @@ void intel_ddi_set_pipe_settings(struct > > drm_crtc *crtc); > > void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp); > > bool intel_ddi_connector_get_hw_state(struct intel_connector > > *intel_connector); > > void intel_ddi_fdi_disable(struct drm_crtc *crtc); > > +bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, > > + struct intel_crtc *intel_crtc); > > void intel_ddi_get_config(struct intel_encoder *encoder, > > struct intel_crtc_state *pipe_config); > > struct intel_encoder *
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 531ca02..56e38b1 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2961,6 +2961,20 @@ static void intel_dp_info(struct seq_file *m, intel_panel_info(m, &intel_connector->panel); } +static void intel_dp_mst_info(struct seq_file *m, + struct intel_connector *intel_connector) +{ + struct intel_encoder *intel_encoder = intel_connector->encoder; + struct intel_dp_mst_encoder *intel_mst = + enc_to_mst(&intel_encoder->base); + struct intel_digital_port *intel_dig_port = intel_mst->primary; + struct intel_dp *intel_dp = &intel_dig_port->dp; + bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, + intel_connector->port); + + seq_printf(m, "\taudio support: %s\n", yesno(has_audio)); +} + static void intel_hdmi_info(struct seq_file *m, struct intel_connector *intel_connector) { @@ -3003,7 +3017,10 @@ static void intel_connector_info(struct seq_file *m, switch (connector->connector_type) { case DRM_MODE_CONNECTOR_DisplayPort: case DRM_MODE_CONNECTOR_eDP: - intel_dp_info(m, intel_connector); + if (intel_encoder->type == INTEL_OUTPUT_DP_MST) + intel_dp_mst_info(m, intel_connector); + else + intel_dp_info(m, intel_connector); break; case DRM_MODE_CONNECTOR_LVDS: if (intel_encoder->type == INTEL_OUTPUT_LVDS) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index dd1d6fe..cbb4e7a 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -2154,6 +2154,19 @@ void intel_ddi_fdi_disable(struct drm_crtc *crtc) I915_WRITE(FDI_RX_CTL(PIPE_A), val); } +bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, + struct intel_crtc *intel_crtc) +{ + u32 temp; + + if (intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_AUDIO)) { + temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD); + if (temp & AUDIO_OUTPUT_ENABLE(intel_crtc->pipe)) + return true; + } + return false; +} + void intel_ddi_get_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config) { @@ -2219,11 +2232,8 @@ void intel_ddi_get_config(struct intel_encoder *encoder, break; } - if (intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_AUDIO)) { - temp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD); - if (temp & AUDIO_OUTPUT_ENABLE(intel_crtc->pipe)) - pipe_config->has_audio = true; - } + pipe_config->has_audio = + intel_ddi_is_audio_enabled(dev_priv, intel_crtc); if (encoder->type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.bpp && pipe_config->pipe_bpp > dev_priv->vbt.edp.bpp) { diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index 68a005d..84dbb50 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -76,6 +76,8 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder, return false; } + if (drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, found->port)) + pipe_config->has_audio = true; mst_pbn = drm_dp_calc_pbn_mode(adjusted_mode->crtc_clock, bpp); pipe_config->pbn = mst_pbn; @@ -97,6 +99,10 @@ static void intel_mst_disable_dp(struct intel_encoder *encoder) struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base); struct intel_digital_port *intel_dig_port = intel_mst->primary; struct intel_dp *intel_dp = &intel_dig_port->dp; + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc = encoder->base.crtc; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); int ret; DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); @@ -107,6 +113,10 @@ static void intel_mst_disable_dp(struct intel_encoder *encoder) if (ret) { DRM_ERROR("failed to update payload %d\n", ret); } + if (intel_crtc->config->has_audio) { + intel_audio_codec_disable(encoder); + intel_display_power_put(dev_priv, POWER_DOMAIN_AUDIO); + } } static void intel_mst_post_disable_dp(struct intel_encoder *encoder) @@ -207,7 +217,9 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder) struct intel_dp *intel_dp = &intel_dig_port->dp; struct drm_device *dev = intel_dig_port->base.base.dev; struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); enum port port = intel_dig_port->port; + enum pipe pipe = crtc->pipe; int ret; DRM_DEBUG_KMS("%d\n", intel_dp->active_mst_links); @@ -222,6 +234,12 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder) ret = drm_dp_check_act_status(&intel_dp->mst_mgr); ret = drm_dp_update_payload_part2(&intel_dp->mst_mgr); + if (crtc->config->has_audio) { + DRM_DEBUG_DRIVER("Enabling DP audio on pipe %c\n", + pipe_name(pipe)); + intel_display_power_get(dev_priv, POWER_DOMAIN_AUDIO); + intel_audio_codec_enable(encoder); + } } static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder *encoder, @@ -245,6 +263,9 @@ static void intel_dp_mst_enc_get_config(struct intel_encoder *encoder, enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; u32 temp, flags = 0; + pipe_config->has_audio = + intel_ddi_is_audio_enabled(dev_priv, crtc); + temp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); if (temp & TRANS_DDI_PHSYNC) flags |= DRM_MODE_FLAG_PHSYNC; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index e74d851..f73de63c 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1123,6 +1123,8 @@ void intel_ddi_set_pipe_settings(struct drm_crtc *crtc); void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp); bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector); void intel_ddi_fdi_disable(struct drm_crtc *crtc); +bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, + struct intel_crtc *intel_crtc); void intel_ddi_get_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config); struct intel_encoder *