On Mon, 28 Nov 2016, libin.yang@xxxxxxxxx wrote:
> From: Libin Yang <libin.yang@xxxxxxxxx>
>
> Prepare for using the same code for judging ddi being audio enabled.
> No functional changes.
>
> Signed-off-by: Libin Yang <libin.yang@xxxxxxxxx>
> Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
> Reviewed-by: Lyude <cpaul@xxxxxxxxxx>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Same thing about Rodrigo's sob.
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_ddi.c | 20 +++++++++++++++-----
> drivers/gpu/drm/i915/intel_drv.h | 2 ++
> 2 files changed, 17 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index 0d680da..e5410be 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -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) {
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 9bbe5c5..9346660 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -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 *
--
Jani Nikula, Intel Open Source Technology Center
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