diff options
| author |   Libin Yang <libin.yang@intel.com> | 2016-11-28 20:07:06 +0800 |
|---|---|---|
| committer |   Jani Nikula <jani.nikula@intel.com> | 2016-11-29 17:41:46 +0200 |
| commit | 9935f7fa2854355203e3976762eecfb218079aac (patch) | |
| tree | 0033c2fe603c8f61c91ef1b642ce916bb1cebe9c /drivers/gpu/drm/i915/intel_ddi.c | |
| parent | drm/i915/debugfs: add dp mst info (diff) | |
| download | linux-dev-9935f7fa2854355203e3976762eecfb218079aac.tar.xz linux-dev-9935f7fa2854355203e3976762eecfb218079aac.zip | |
drm/i915: abstract ddi being audio enabled
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
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index f8e939d17160..8b47efa37e47 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) { |