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authorJani Nikula2016-10-10 17:04:02 +0200
committerJani Nikula2016-10-11 16:22:15 +0200
commit8f1ec181b12e8ac04e9690f1b122a6779ad2acc2 (patch)
tree690dba064fe3427636e83a3e6ced525ac630a842 /drivers/gpu/drm/i915/intel_audio.c
parentdrm/i915/audio: port is going to be just fine, simplify checks (diff)
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drm/i915/audio: use the same code for updating audio config
It gets fragile to duplicate the code for updating HSW_AUD_CFG. The only change should be that the hdmi pixel clock is also updated in i915_audio_component_sync_audio_rate(), but it should not be any different. Cc: Libin Yang <libin.yang@linux.intel.com> Reviewed-by: Libin Yang <libin.yang@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/e0e88ec00c0ed1734083153b55283efd3116be5c.1476111629.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_audio.c')
-rw-r--r--drivers/gpu/drm/i915/intel_audio.c29
1 files changed, 3 insertions, 26 deletions
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 58a222f36a87..c8336db298b3 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -671,10 +671,8 @@ static int i915_audio_component_sync_audio_rate(struct device *kdev, int port,
struct drm_i915_private *dev_priv = kdev_to_i915(kdev);
struct intel_encoder *intel_encoder;
struct intel_crtc *crtc;
- struct drm_display_mode *mode;
+ struct drm_display_mode *adjusted_mode;
struct i915_audio_component *acomp = dev_priv->audio_component;
- u32 tmp;
- int n;
int err = 0;
/* HSW, BDW, SKL, KBL need this fix */
@@ -700,33 +698,12 @@ static int i915_audio_component_sync_audio_rate(struct device *kdev, int port,
crtc = to_intel_crtc(intel_encoder->base.crtc);
pipe = crtc->pipe;
- mode = &crtc->config->base.adjusted_mode;
+ adjusted_mode = &crtc->config->base.adjusted_mode;
/* port must be valid now, otherwise the pipe will be invalid */
acomp->aud_sample_rate[port] = rate;
- /* 2. check whether to set the N/CTS/M manually or not */
- if (!audio_rate_need_prog(crtc, mode)) {
- tmp = I915_READ(HSW_AUD_CFG(pipe));
- tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
- I915_WRITE(HSW_AUD_CFG(pipe), tmp);
- goto unlock;
- }
-
- n = audio_config_get_n(mode, rate);
- if (n == 0) {
- DRM_DEBUG_KMS("Using automatic mode for N value on port %c\n",
- port_name(port));
- tmp = I915_READ(HSW_AUD_CFG(pipe));
- tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
- I915_WRITE(HSW_AUD_CFG(pipe), tmp);
- goto unlock;
- }
-
- /* 3. set the N/CTS/M */
- tmp = I915_READ(HSW_AUD_CFG(pipe));
- tmp = audio_config_setup_n_reg(n, tmp);
- I915_WRITE(HSW_AUD_CFG(pipe), tmp);
+ hsw_audio_config_update(crtc, port, adjusted_mode);
unlock:
mutex_unlock(&dev_priv->av_mutex);