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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, Jani Nikula <jani.nikula@linux.intel.com> wrote:
> 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.

PS. This is

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

and I'm fine with the requested changes being applied as separate
patches as long as they happen.


>
> 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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