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drm/i915: abstract ddi being audio enabled

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Prepare for using the same code for judging ddi being audio enabled.
No functional changes.

Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Libin Yang <libin.yang@intel.com>
Reviewed-by: Lyude <cpaul@redhat.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1480334827-112273-2-git-send-email-libin.yang@intel.com
This commit is contained in:
Libin Yang 2016-11-28 20:07:06 +08:00 committed by Jani Nikula
parent 9a148a96fc
commit 9935f7fa28
2 changed files with 17 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/gpu/drm/i915/intel_ddi.c
View File

@ -1950,6 +1950,19 @@ void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp)
udelay(600);
}
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)
{
@ -2015,11 +2028,8 @@ 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) {

2
drivers/gpu/drm/i915/intel_drv.h
View File

@ -1175,6 +1175,8 @@ bool intel_ddi_pll_select(struct intel_crtc *crtc,
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);
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 *