Re: [PATCH 6/6] drm/i915/display: Dump the new cdclk config values

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On Fri, Sep 16, 2022 at 05:44:04PM -0700, Anusha Srivatsa wrote:
> Add a helper function to get stringify values of the
> desired cdclk action and dump it with rest of the
> cdclk config values
> 
> Signed-off-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>

Please add Suggested-by: field to give proper credits as per our
discussion. This applies to other patches as well to add proper credits
to other folks who suggested design changes/ fixes.
This needs to be followed as per the upstream patch review methodology.

> ---
>  drivers/gpu/drm/i915/display/intel_cdclk.c | 18 ++++++++++++++++--
>  1 file changed, 16 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
> index bc627daade3e..12f5e4d23245 100644
> --- a/drivers/gpu/drm/i915/display/intel_cdclk.c
> +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
> @@ -1688,6 +1688,19 @@ static u32 cdclk_squash_waveform(struct drm_i915_private *dev_priv,
>  
>  	return 0xffff;
>  }

Missing newline causing checkpatch error

Manasi

> +static const char *cdclk_sequence_to_string(enum cdclk_sequence cdclk_sequence)
> +{
> +	switch (cdclk_sequence) {
> +	case CDCLK_SQUASH_ONLY:
> +		return "Squash only";
> +	case CDCLK_CRAWL_ONLY:
> +		return "Crawl only";
> +	case CDCLK_LEGACY:
> +		return "Legacy method";
> +	default:
> +		return "Not a valid cdclk sequence";
> +	}
> +}
>  
>  static void dg2_prog_squash_ctl(struct drm_i915_private *i915, u16 waveform)
>  {
> @@ -2083,10 +2096,11 @@ void intel_cdclk_dump_config(struct drm_i915_private *i915,
>  			     const struct intel_cdclk_config *cdclk_config,
>  			     const char *context)
>  {
> -	drm_dbg_kms(&i915->drm, "%s %d kHz, VCO %d kHz, ref %d kHz, bypass %d kHz, voltage level %d\n",
> +	drm_dbg_kms(&i915->drm, "%s %d kHz, VCO %d kHz, ref %d kHz, bypass %d kHz, voltage level %d, %s action\n",
>  		    context, cdclk_config->cdclk, cdclk_config->vco,
>  		    cdclk_config->ref, cdclk_config->bypass,
> -		    cdclk_config->voltage_level);
> +		    cdclk_config->voltage_level,
> +		    cdclk_sequence_to_string(cdclk_config->steps->action));
>  }
>  
>  /**
> -- 
> 2.25.1
> 



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