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drm/i915: add DP support in LPE audio mode 

If DisplayPort is detected, pass flag and link rate to audio driver

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Pierre-Louis Bossart 2017-01-31 14:16:48 -06:00 committed by Takashi Iwai
parent eacc8dafa8
commit b5f2be9ae5
4 changed files with 25 additions and 6 deletions
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3
drivers/gpu/drm/i915/i915_drv.h
View File

@ -3401,7 +3401,8 @@ int intel_lpe_audio_init(struct drm_i915_private *dev_priv);
void intel_lpe_audio_teardown(struct drm_i915_private *dev_priv);
void intel_lpe_audio_irq_handler(struct drm_i915_private *dev_priv);
void intel_lpe_audio_notify(struct drm_i915_private *dev_priv,
void *eld, int port, int tmds_clk_speed);
void *eld, int port, int tmds_clk_speed,
bool dp_output, int link_rate);
/* intel_i2c.c */
extern int intel_setup_gmbus(struct drm_device *dev);

19
drivers/gpu/drm/i915/intel_audio.c
View File

@ -631,9 +631,20 @@ void intel_audio_codec_enable(struct intel_encoder *intel_encoder,
if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify)
acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr,
(int) port, (int) pipe);
intel_lpe_audio_notify(dev_priv, connector->eld, port,
crtc_state->port_clock);
switch (intel_encoder->type) {
case INTEL_OUTPUT_HDMI:
intel_lpe_audio_notify(dev_priv, connector->eld, port,
crtc_state->port_clock,
false, 0);
break;
case INTEL_OUTPUT_DP:
intel_lpe_audio_notify(dev_priv, connector->eld, port,
adjusted_mode->crtc_clock,
true, crtc_state->port_clock);
break;
default:
break;
}
}
/**
@ -668,7 +679,7 @@ void intel_audio_codec_disable(struct intel_encoder *intel_encoder)
acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr,
(int) port, (int) pipe);
intel_lpe_audio_notify(dev_priv, NULL, port, 0);
intel_lpe_audio_notify(dev_priv, NULL, port, 0, false, 0);
}
/**

7
drivers/gpu/drm/i915/intel_lpe_audio.c
View File

@ -332,7 +332,8 @@ void intel_lpe_audio_teardown(struct drm_i915_private *dev_priv)
* Notify lpe audio driver of eld change.
*/
void intel_lpe_audio_notify(struct drm_i915_private *dev_priv,
void *eld, int port, int tmds_clk_speed)
void *eld, int port, int tmds_clk_speed,
bool dp_output, int link_rate)
{
unsigned long irq_flags;
struct intel_hdmi_lpe_audio_pdata *pdata = NULL;
@ -351,12 +352,16 @@ void intel_lpe_audio_notify(struct drm_i915_private *dev_priv,
pdata->eld.port_id = port;
pdata->hdmi_connected = true;
pdata->dp_output = dp_output;
if (tmds_clk_speed)
pdata->tmds_clock_speed = tmds_clk_speed;
if (link_rate)
pdata->link_rate = link_rate;
} else {
memset(pdata->eld.eld_data, 0,
HDMI_MAX_ELD_BYTES);
pdata->hdmi_connected = false;
pdata->dp_output = false;
}
if (pdata->notify_audio_lpe)

2
include/drm/intel_lpe_audio.h
View File

@ -38,6 +38,8 @@ struct intel_hdmi_lpe_audio_pdata {
bool notify_pending;
int tmds_clock_speed;
bool hdmi_connected;
bool dp_output;
int link_rate;
struct intel_hdmi_lpe_audio_eld eld;
void (*notify_audio_lpe)(void *audio_ptr);
spinlock_t lpe_audio_slock;