On Wed, Nov 29, 2017 at 04:43:03PM +0000, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Transcoder EDP does not support audio. Let's not try to
> read the state of the audio enable bit HSW_AUD_PIN_ELD_CP_VLD
> based on the pipe when using transcoder EDP.
>
> While at it make the function static and flatten it.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_ddi.c | 20 ++++++++++----------
> drivers/gpu/drm/i915/intel_drv.h | 2 --
> 2 files changed, 10 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index eff3b51872eb..48ba9b7fdc78 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -2513,17 +2513,17 @@ 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)
> +static bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv,
> + enum transcoder cpu_transcoder)
> {
> - u32 temp;
> + if (cpu_transcoder == TRANSCODER_EDP)
> + return false;
>
> - 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;
> + if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_AUDIO))
> + return false;
> +
> + return I915_READ(HSW_AUD_PIN_ELD_CP_VLD) &
> + AUDIO_OUTPUT_ENABLE(cpu_transcoder);
> }
>
> void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
> @@ -2616,7 +2616,7 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
> }
>
> pipe_config->has_audio =
> - intel_ddi_is_audio_enabled(dev_priv, intel_crtc);
> + intel_ddi_is_audio_enabled(dev_priv, cpu_transcoder);
>
> 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_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index c679df99d530..c55fa245cd8c 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1288,8 +1288,6 @@ intel_ddi_get_crtc_new_encoder(struct intel_crtc_state *crtc_state);
> void intel_ddi_set_pipe_settings(const struct intel_crtc_state *crtc_state);
> 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);
>
> --
> 2.13.6
>
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