diff mbox

[RESEND,4/9] drm/i915/audio: split dp and hdmi audio config update

Message ID 41b8e24fed92effafaef69675ddabfa2008b4d31.1476111629.git.jani.nikula@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jani Nikula Oct. 10, 2016, 3:04 p.m. UTC
The code for dp and hdmi are already different, and they're about to
diverge even more. Split them for clarity in future work. No functional
changes.

Cc: Libin Yang <libin.yang@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/intel_audio.c | 55 +++++++++++++++++++++++---------------
 1 file changed, 34 insertions(+), 21 deletions(-)

Comments

Yang, Libin Oct. 11, 2016, 5:42 a.m. UTC | #1
Reviewed-by: Libin Yang <libin.yang@intel.com>


Regards,
Libin


> -----Original Message-----

> From: Intel-gfx [mailto:intel-gfx-bounces@lists.freedesktop.org] On Behalf Of

> Jani Nikula

> Sent: Monday, October 10, 2016 11:04 PM

> To: intel-gfx@lists.freedesktop.org

> Cc: Nikula, Jani <jani.nikula@intel.com>; libin.yang@linux.intel.com;

> Pandiyan, Dhinakaran <dhinakaran.pandiyan@intel.com>

> Subject: [Intel-gfx] [PATCH RESEND 4/9] drm/i915/audio: split dp and hdmi

> audio config update

> 

> The code for dp and hdmi are already different, and they're about to diverge

> even more. Split them for clarity in future work. No functional changes.

> 

> Cc: Libin Yang <libin.yang@linux.intel.com>

> Signed-off-by: Jani Nikula <jani.nikula@intel.com>

> ---

>  drivers/gpu/drm/i915/intel_audio.c | 55 +++++++++++++++++++++++----------

> -----

>  1 file changed, 34 insertions(+), 21 deletions(-)

> 

> diff --git a/drivers/gpu/drm/i915/intel_audio.c

> b/drivers/gpu/drm/i915/intel_audio.c

> index 4d62b3e8ac19..db7fd6d8333f 100644

> --- a/drivers/gpu/drm/i915/intel_audio.c

> +++ b/drivers/gpu/drm/i915/intel_audio.c

> @@ -148,18 +148,6 @@ static uint32_t audio_config_setup_n_reg(int n,

> uint32_t val)

>  	return tmp;

>  }

> 

> -/* check whether N/CTS/M need be set manually */ -static bool

> audio_rate_need_prog(struct intel_crtc *crtc,

> -				 const struct drm_display_mode *mode)

> -{

> -	if (((mode->clock == TMDS_297M) ||

> -		 (mode->clock == TMDS_296M)) &&

> -		intel_crtc_has_type(crtc->config, INTEL_OUTPUT_HDMI))

> -		return true;

> -	else

> -		return false;

> -}

> -

>  static bool intel_eld_uptodate(struct drm_connector *connector,

>  			       i915_reg_t reg_eldv, uint32_t bits_eldv,

>  			       i915_reg_t reg_elda, uint32_t bits_elda, @@ -

> 245,9 +233,26 @@ static void g4x_audio_codec_enable(struct

> drm_connector *connector,

>  	I915_WRITE(G4X_AUD_CNTL_ST, tmp);

>  }

> 

> -static void hsw_audio_config_update(struct intel_crtc *intel_crtc,

> -				    enum port port,

> -				    const struct drm_display_mode

> *adjusted_mode)

> +static void

> +hsw_dp_audio_config_update(struct intel_crtc *intel_crtc, enum port port,

> +			   const struct drm_display_mode *adjusted_mode) {

> +	struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);

> +	enum pipe pipe = intel_crtc->pipe;

> +	u32 tmp;

> +

> +	tmp = I915_READ(HSW_AUD_CFG(pipe));

> +	tmp &= ~AUD_CONFIG_N_VALUE_INDEX;

> +	tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK;

> +	tmp &= ~AUD_CONFIG_N_PROG_ENABLE;

> +	tmp |= AUD_CONFIG_N_VALUE_INDEX;

> +

> +	I915_WRITE(HSW_AUD_CFG(pipe), tmp);

> +}

> +

> +static void

> +hsw_hdmi_audio_config_update(struct intel_crtc *intel_crtc, enum port

> port,

> +			     const struct drm_display_mode *adjusted_mode)

>  {

>  	struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);

>  	struct i915_audio_component *acomp = dev_priv-

> >audio_component; @@ -259,13 +264,11 @@ static void

> hsw_audio_config_update(struct intel_crtc *intel_crtc,

>  	tmp = I915_READ(HSW_AUD_CFG(pipe));

>  	tmp &= ~AUD_CONFIG_N_VALUE_INDEX;

>  	tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK;

> -	if (intel_crtc_has_dp_encoder(intel_crtc->config))

> -		tmp |= AUD_CONFIG_N_VALUE_INDEX;

> -	else

> -		tmp |= audio_config_hdmi_pixel_clock(adjusted_mode);

> -

>  	tmp &= ~AUD_CONFIG_N_PROG_ENABLE;

> -	if (audio_rate_need_prog(intel_crtc, adjusted_mode)) {

> +	tmp |= audio_config_hdmi_pixel_clock(adjusted_mode);

> +

> +	if (adjusted_mode->clock == TMDS_296M ||

> +	    adjusted_mode->clock == TMDS_297M) {

>  		n = audio_config_get_n(adjusted_mode, rate);

>  		if (n != 0)

>  			tmp = audio_config_setup_n_reg(n, tmp); @@ -276,6

> +279,16 @@ static void hsw_audio_config_update(struct intel_crtc

> *intel_crtc,

>  	I915_WRITE(HSW_AUD_CFG(pipe), tmp);

>  }

> 

> +static void

> +hsw_audio_config_update(struct intel_crtc *intel_crtc, enum port port,

> +			const struct drm_display_mode *adjusted_mode) {

> +	if (intel_crtc_has_dp_encoder(intel_crtc->config))

> +		hsw_dp_audio_config_update(intel_crtc, port,

> adjusted_mode);

> +	else

> +		hsw_hdmi_audio_config_update(intel_crtc, port,

> adjusted_mode); }

> +

>  static void hsw_audio_codec_disable(struct intel_encoder *encoder)  {

>  	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);

> --

> 2.1.4

> 

> _______________________________________________

> Intel-gfx mailing list

> Intel-gfx@lists.freedesktop.org

> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 4d62b3e8ac19..db7fd6d8333f 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -148,18 +148,6 @@  static uint32_t audio_config_setup_n_reg(int n, uint32_t val)
 	return tmp;
 }
 
-/* check whether N/CTS/M need be set manually */
-static bool audio_rate_need_prog(struct intel_crtc *crtc,
-				 const struct drm_display_mode *mode)
-{
-	if (((mode->clock == TMDS_297M) ||
-		 (mode->clock == TMDS_296M)) &&
-		intel_crtc_has_type(crtc->config, INTEL_OUTPUT_HDMI))
-		return true;
-	else
-		return false;
-}
-
 static bool intel_eld_uptodate(struct drm_connector *connector,
 			       i915_reg_t reg_eldv, uint32_t bits_eldv,
 			       i915_reg_t reg_elda, uint32_t bits_elda,
@@ -245,9 +233,26 @@  static void g4x_audio_codec_enable(struct drm_connector *connector,
 	I915_WRITE(G4X_AUD_CNTL_ST, tmp);
 }
 
-static void hsw_audio_config_update(struct intel_crtc *intel_crtc,
-				    enum port port,
-				    const struct drm_display_mode *adjusted_mode)
+static void
+hsw_dp_audio_config_update(struct intel_crtc *intel_crtc, enum port port,
+			   const struct drm_display_mode *adjusted_mode)
+{
+	struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
+	enum pipe pipe = intel_crtc->pipe;
+	u32 tmp;
+
+	tmp = I915_READ(HSW_AUD_CFG(pipe));
+	tmp &= ~AUD_CONFIG_N_VALUE_INDEX;
+	tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK;
+	tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
+	tmp |= AUD_CONFIG_N_VALUE_INDEX;
+
+	I915_WRITE(HSW_AUD_CFG(pipe), tmp);
+}
+
+static void
+hsw_hdmi_audio_config_update(struct intel_crtc *intel_crtc, enum port port,
+			     const struct drm_display_mode *adjusted_mode)
 {
 	struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
 	struct i915_audio_component *acomp = dev_priv->audio_component;
@@ -259,13 +264,11 @@  static void hsw_audio_config_update(struct intel_crtc *intel_crtc,
 	tmp = I915_READ(HSW_AUD_CFG(pipe));
 	tmp &= ~AUD_CONFIG_N_VALUE_INDEX;
 	tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK;
-	if (intel_crtc_has_dp_encoder(intel_crtc->config))
-		tmp |= AUD_CONFIG_N_VALUE_INDEX;
-	else
-		tmp |= audio_config_hdmi_pixel_clock(adjusted_mode);
-
 	tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
-	if (audio_rate_need_prog(intel_crtc, adjusted_mode)) {
+	tmp |= audio_config_hdmi_pixel_clock(adjusted_mode);
+
+	if (adjusted_mode->clock == TMDS_296M ||
+	    adjusted_mode->clock == TMDS_297M) {
 		n = audio_config_get_n(adjusted_mode, rate);
 		if (n != 0)
 			tmp = audio_config_setup_n_reg(n, tmp);
@@ -276,6 +279,16 @@  static void hsw_audio_config_update(struct intel_crtc *intel_crtc,
 	I915_WRITE(HSW_AUD_CFG(pipe), tmp);
 }
 
+static void
+hsw_audio_config_update(struct intel_crtc *intel_crtc, enum port port,
+			const struct drm_display_mode *adjusted_mode)
+{
+	if (intel_crtc_has_dp_encoder(intel_crtc->config))
+		hsw_dp_audio_config_update(intel_crtc, port, adjusted_mode);
+	else
+		hsw_hdmi_audio_config_update(intel_crtc, port, adjusted_mode);
+}
+
 static void hsw_audio_codec_disable(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);