Re: [PATCH 1/5] drm/i915/fdi: move intel_update_fdi_pll_freq to intel_fdi.c

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On Wed, Aug 25, 2021 at 06:47:48PM +0300, Jani Nikula wrote:
> Move FDI related functions to intel_fdi.c. Rename to have intel_fdi
> prefix while at it.
> 
> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 18 +-----------------
>  drivers/gpu/drm/i915/display/intel_fdi.c     | 16 ++++++++++++++++
>  drivers/gpu/drm/i915/display/intel_fdi.h     |  1 +
>  3 files changed, 18 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 794690c0dba5..3a9afe04ce0a 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -11564,22 +11564,6 @@ static void sanitize_watermarks(struct drm_i915_private *dev_priv)
>  	drm_modeset_acquire_fini(&ctx);
>  }
>  
> -static void intel_update_fdi_pll_freq(struct drm_i915_private *dev_priv)
> -{
> -	if (IS_IRONLAKE(dev_priv)) {
> -		u32 fdi_pll_clk =
> -			intel_de_read(dev_priv, FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK;
> -
> -		dev_priv->fdi_pll_freq = (fdi_pll_clk + 2) * 10000;
> -	} else if (IS_SANDYBRIDGE(dev_priv) || IS_IVYBRIDGE(dev_priv)) {
> -		dev_priv->fdi_pll_freq = 270000;
> -	} else {
> -		return;
> -	}
> -
> -	drm_dbg(&dev_priv->drm, "FDI PLL freq=%d\n", dev_priv->fdi_pll_freq);
> -}
> -
>  static int intel_initial_commit(struct drm_device *dev)
>  {
>  	struct drm_atomic_state *state = NULL;
> @@ -11833,7 +11817,7 @@ int intel_modeset_init_nogem(struct drm_i915_private *i915)
>  
>  	intel_plane_possible_crtcs_init(i915);
>  	intel_shared_dpll_init(dev);
> -	intel_update_fdi_pll_freq(i915);
> +	intel_fdi_pll_freq_update(i915);
>  
>  	intel_update_czclk(i915);
>  	intel_modeset_init_hw(i915);
> diff --git a/drivers/gpu/drm/i915/display/intel_fdi.c b/drivers/gpu/drm/i915/display/intel_fdi.c
> index 13f8ba4c9188..88a78dafd54d 100644
> --- a/drivers/gpu/drm/i915/display/intel_fdi.c
> +++ b/drivers/gpu/drm/i915/display/intel_fdi.c
> @@ -95,6 +95,22 @@ static int ilk_check_fdi_lanes(struct drm_device *dev, enum pipe pipe,
>  	}
>  }
>  
> +void intel_fdi_pll_freq_update(struct drm_i915_private *i915)
> +{
> +	if (IS_IRONLAKE(i915)) {
> +		u32 fdi_pll_clk =
> +			intel_de_read(i915, FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK;
> +
> +		i915->fdi_pll_freq = (fdi_pll_clk + 2) * 10000;
> +	} else if (IS_SANDYBRIDGE(i915) || IS_IVYBRIDGE(i915)) {
> +		i915->fdi_pll_freq = 270000;
> +	} else {
> +		return;
> +	}
> +
> +	drm_dbg(&i915->drm, "FDI PLL freq=%d\n", i915->fdi_pll_freq);
> +}
> +
>  int intel_fdi_link_freq(struct drm_i915_private *i915,
>  			const struct intel_crtc_state *pipe_config)
>  {
> diff --git a/drivers/gpu/drm/i915/display/intel_fdi.h b/drivers/gpu/drm/i915/display/intel_fdi.h
> index 2c8ffd9ceaed..cda9a32c25ba 100644
> --- a/drivers/gpu/drm/i915/display/intel_fdi.h
> +++ b/drivers/gpu/drm/i915/display/intel_fdi.h
> @@ -23,5 +23,6 @@ void ilk_fdi_pll_enable(const struct intel_crtc_state *crtc_state);
>  void intel_fdi_init_hook(struct drm_i915_private *dev_priv);
>  void hsw_fdi_link_train(struct intel_encoder *encoder,
>  			const struct intel_crtc_state *crtc_state);
> +void intel_fdi_pll_freq_update(struct drm_i915_private *i915);
>  
>  #endif
> -- 
> 2.20.1
> 



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