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SubjectRe: [PATCH 2/5] drm/i915/audio: convert to new drm logging macros.
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On Tue, 14 Jan 2020, Wambui Karuga <wambui.karugax@gmail.com> wrote:
> Converts the printk based logging macros in i915/display/intel_audio.c
> to the struct drm_device based logging macros.

Couple of comments inline.

BR,
Jani.


> This transformation was achieved using the following coccinelle script
> that matches the existence of the struct drm_i915_private device:
>
> @rule1@
> identifier fn, T;
> @@
>
> fn(struct drm_i915_private *T,...) {
> <+...
> (
> -DRM_INFO(
> +drm_info(&T->drm,
> ...)
> |
> -DRM_ERROR(
> +drm_err(&T->drm,
> ...)
> |
> -DRM_WARN(
> +drm_warn(&T->drm,
> ...)
> |
> -DRM_DEBUG(
> +drm_dbg(&T->drm,
> ...)
> |
> -DRM_DEBUG_DRIVER(
> +drm_dbg(&T->drm,
> ...)
> |
> -DRM_DEBUG_KMS(
> +drm_dbg_kms(&T->drm,
> ...)
> )
> ...+>
> }
>
> @rule2@
> identifier fn, T;
> @@
>
> fn(...) {
> ...
> struct drm_i915_private *T = ...;
> <+...
> (
> -DRM_INFO(
> +drm_info(&T->drm,
> ...)
> |
> -DRM_ERROR(
> +drm_err(&T->drm,
> ...)
> |
> -DRM_WARN(
> +drm_warn(&T->drm,
> ...)
> |
> -DRM_DEBUG(
> +drm_dbg(&T->drm,
> ...)
> |
> -DRM_DEBUG_KMS(
> +drm_dbg_kms(&T->drm,
> ...)
> |
> -DRM_DEBUG_DRIVER(
> +drm_dbg(&T->drm,
> ...)
> )
> ...+>
> }
>
> Checkpatch warnings were manually fixed.
>
> Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
> ---
> drivers/gpu/drm/i915/display/intel_audio.c | 71 ++++++++++++----------
> 1 file changed, 40 insertions(+), 31 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c
> index e406719a6716..57208440bf6d 100644
> --- a/drivers/gpu/drm/i915/display/intel_audio.c
> +++ b/drivers/gpu/drm/i915/display/intel_audio.c
> @@ -315,7 +315,7 @@ static void g4x_audio_codec_disable(struct intel_encoder *encoder,
> struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> u32 eldv, tmp;
>
> - DRM_DEBUG_KMS("Disable audio codec\n");
> + drm_dbg_kms(&dev_priv->drm, "Disable audio codec\n");
>
> tmp = I915_READ(G4X_AUD_VID_DID);
> if (tmp == INTEL_AUDIO_DEVBLC || tmp == INTEL_AUDIO_DEVCL)
> @@ -340,7 +340,8 @@ static void g4x_audio_codec_enable(struct intel_encoder *encoder,
> u32 tmp;
> int len, i;
>
> - DRM_DEBUG_KMS("Enable audio codec, %u bytes ELD\n", drm_eld_size(eld));
> + drm_dbg_kms(&dev_priv->drm, "Enable audio codec, %u bytes ELD\n",
> + drm_eld_size(eld));
>
> tmp = I915_READ(G4X_AUD_VID_DID);
> if (tmp == INTEL_AUDIO_DEVBLC || tmp == INTEL_AUDIO_DEVCL)
> @@ -360,7 +361,7 @@ static void g4x_audio_codec_enable(struct intel_encoder *encoder,
> I915_WRITE(G4X_AUD_CNTL_ST, tmp);
>
> len = min(drm_eld_size(eld) / 4, len);
> - DRM_DEBUG_DRIVER("ELD size %d\n", len);
> + drm_dbg(&dev_priv->drm, "ELD size %d\n", len);

Please convert this to drm_dbg_kms() while at it.

> for (i = 0; i < len; i++)
> I915_WRITE(G4X_HDMIW_HDMIEDID, *((const u32 *)eld + i));
>
> @@ -384,9 +385,10 @@ hsw_dp_audio_config_update(struct intel_encoder *encoder,
> rate = acomp ? acomp->aud_sample_rate[port] : 0;
> nm = audio_config_dp_get_n_m(crtc_state, rate);
> if (nm)
> - DRM_DEBUG_KMS("using Maud %u, Naud %u\n", nm->m, nm->n);
> + drm_dbg_kms(&dev_priv->drm, "using Maud %u, Naud %u\n", nm->m,
> + nm->n);
> else
> - DRM_DEBUG_KMS("using automatic Maud, Naud\n");
> + drm_dbg_kms(&dev_priv->drm, "using automatic Maud, Naud\n");
>
> tmp = I915_READ(HSW_AUD_CFG(cpu_transcoder));
> tmp &= ~AUD_CONFIG_N_VALUE_INDEX;
> @@ -437,13 +439,13 @@ hsw_hdmi_audio_config_update(struct intel_encoder *encoder,
>
> n = audio_config_hdmi_get_n(crtc_state, rate);
> if (n != 0) {
> - DRM_DEBUG_KMS("using N %d\n", n);
> + drm_dbg_kms(&dev_priv->drm, "using N %d\n", n);
>
> tmp &= ~AUD_CONFIG_N_MASK;
> tmp |= AUD_CONFIG_N(n);
> tmp |= AUD_CONFIG_N_PROG_ENABLE;
> } else {
> - DRM_DEBUG_KMS("using automatic N\n");
> + drm_dbg_kms(&dev_priv->drm, "using automatic N\n");
> }
>
> I915_WRITE(HSW_AUD_CFG(cpu_transcoder), tmp);
> @@ -476,8 +478,8 @@ static void hsw_audio_codec_disable(struct intel_encoder *encoder,
> enum transcoder cpu_transcoder = old_crtc_state->cpu_transcoder;
> u32 tmp;
>
> - DRM_DEBUG_KMS("Disable audio codec on transcoder %s\n",
> - transcoder_name(cpu_transcoder));
> + drm_dbg_kms(&dev_priv->drm, "Disable audio codec on transcoder %s\n",
> + transcoder_name(cpu_transcoder));
>
> mutex_lock(&dev_priv->av_mutex);
>
> @@ -511,8 +513,9 @@ static void hsw_audio_codec_enable(struct intel_encoder *encoder,
> u32 tmp;
> int len, i;
>
> - DRM_DEBUG_KMS("Enable audio codec on transcoder %s, %u bytes ELD\n",
> - transcoder_name(cpu_transcoder), drm_eld_size(eld));
> + drm_dbg_kms(&dev_priv->drm,
> + "Enable audio codec on transcoder %s, %u bytes ELD\n",
> + transcoder_name(cpu_transcoder), drm_eld_size(eld));
>
> mutex_lock(&dev_priv->av_mutex);
>
> @@ -561,9 +564,10 @@ static void ilk_audio_codec_disable(struct intel_encoder *encoder,
> u32 tmp, eldv;
> i915_reg_t aud_config, aud_cntrl_st2;
>
> - DRM_DEBUG_KMS("Disable audio codec on [ENCODER:%d:%s], pipe %c\n",
> - encoder->base.base.id, encoder->base.name,
> - pipe_name(pipe));
> + drm_dbg_kms(&dev_priv->drm,
> + "Disable audio codec on [ENCODER:%d:%s], pipe %c\n",
> + encoder->base.base.id, encoder->base.name,
> + pipe_name(pipe));
>
> if (WARN_ON(port == PORT_A))
> return;
> @@ -611,9 +615,10 @@ static void ilk_audio_codec_enable(struct intel_encoder *encoder,
> int len, i;
> i915_reg_t hdmiw_hdmiedid, aud_config, aud_cntl_st, aud_cntrl_st2;
>
> - DRM_DEBUG_KMS("Enable audio codec on [ENCODER:%d:%s], pipe %c, %u bytes ELD\n",
> - encoder->base.base.id, encoder->base.name,
> - pipe_name(pipe), drm_eld_size(eld));
> + drm_dbg_kms(&dev_priv->drm,
> + "Enable audio codec on [ENCODER:%d:%s], pipe %c, %u bytes ELD\n",
> + encoder->base.base.id, encoder->base.name,
> + pipe_name(pipe), drm_eld_size(eld));
>
> if (WARN_ON(port == PORT_A))
> return;
> @@ -701,14 +706,13 @@ void intel_audio_codec_enable(struct intel_encoder *encoder,
>
> /* FIXME precompute the ELD in .compute_config() */
> if (!connector->eld[0])
> - DRM_DEBUG_KMS("Bogus ELD on [CONNECTOR:%d:%s]\n",
> - connector->base.id, connector->name);
> + drm_dbg_kms(&dev_priv->drm,
> + "Bogus ELD on [CONNECTOR:%d:%s]\n",
> + connector->base.id, connector->name);
>
> - DRM_DEBUG_DRIVER("ELD on [CONNECTOR:%d:%s], [ENCODER:%d:%s]\n",
> - connector->base.id,
> - connector->name,
> - connector->encoder->base.id,
> - connector->encoder->name);
> + drm_dbg(&dev_priv->drm, "ELD on [CONNECTOR:%d:%s], [ENCODER:%d:%s]\n",
> + connector->base.id, connector->name,
> + connector->encoder->base.id, connector->encoder->name);

Please convert this to drm_dbg_kms() while at it.

>
> connector->eld[6] = drm_av_sync_delay(connector, adjusted_mode) / 2;
>
> @@ -851,8 +855,9 @@ static unsigned long i915_audio_component_get_power(struct device *kdev)
> if (dev_priv->audio_power_refcount++ == 0) {
> if (IS_TIGERLAKE(dev_priv) || IS_ICELAKE(dev_priv)) {
> I915_WRITE(AUD_FREQ_CNTRL, dev_priv->audio_freq_cntrl);
> - DRM_DEBUG_KMS("restored AUD_FREQ_CNTRL to 0x%x\n",
> - dev_priv->audio_freq_cntrl);
> + drm_dbg_kms(&dev_priv->drm,
> + "restored AUD_FREQ_CNTRL to 0x%x\n",
> + dev_priv->audio_freq_cntrl);
> }
>
> /* Force CDCLK to 2*BCLK as long as we need audio powered. */
> @@ -992,7 +997,8 @@ static int i915_audio_component_sync_audio_rate(struct device *kdev, int port,
> /* 1. get the pipe */
> encoder = get_saved_enc(dev_priv, port, pipe);
> if (!encoder || !encoder->base.crtc) {
> - DRM_DEBUG_KMS("Not valid for port %c\n", port_name(port));
> + drm_dbg_kms(&dev_priv->drm, "Not valid for port %c\n",
> + port_name(port));
> err = -ENODEV;
> goto unlock;
> }
> @@ -1023,7 +1029,8 @@ static int i915_audio_component_get_eld(struct device *kdev, int port,
>
> intel_encoder = get_saved_enc(dev_priv, port, pipe);
> if (!intel_encoder) {
> - DRM_DEBUG_KMS("Not valid for port %c\n", port_name(port));
> + drm_dbg_kms(&dev_priv->drm, "Not valid for port %c\n",
> + port_name(port));
> mutex_unlock(&dev_priv->av_mutex);
> return ret;
> }
> @@ -1119,15 +1126,17 @@ static void i915_audio_component_init(struct drm_i915_private *dev_priv)
> &i915_audio_component_bind_ops,
> I915_COMPONENT_AUDIO);
> if (ret < 0) {
> - DRM_ERROR("failed to add audio component (%d)\n", ret);
> + drm_err(&dev_priv->drm,
> + "failed to add audio component (%d)\n", ret);
> /* continue with reduced functionality */
> return;
> }
>
> if (IS_TIGERLAKE(dev_priv) || IS_ICELAKE(dev_priv)) {
> dev_priv->audio_freq_cntrl = I915_READ(AUD_FREQ_CNTRL);
> - DRM_DEBUG_KMS("init value of AUD_FREQ_CNTRL of 0x%x\n",
> - dev_priv->audio_freq_cntrl);
> + drm_dbg_kms(&dev_priv->drm,
> + "init value of AUD_FREQ_CNTRL of 0x%x\n",
> + dev_priv->audio_freq_cntrl);
> }
>
> dev_priv->audio_component_registered = true;

--
Jani Nikula, Intel Open Source Graphics Center

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