[Intel-gfx] [PATCH 11/13] drm/i915: s/required_vco/vco/ in skl cdclk code

Jani Nikula jani.nikula at linux.intel.com
Thu May 12 10:29:08 UTC 2016


On Wed, 11 May 2016, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> The 'required' part of 'required_vco' should be obvious. Let's just call
> it 'vco' for brevity.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

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


> ---
>  drivers/gpu/drm/i915/intel_display.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index f58bbac6204b..61133fdedc8d 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -5560,13 +5560,13 @@ static unsigned int skl_cdclk_get_vco(unsigned int freq)
>  }
>  
>  static void
> -skl_dpll0_enable(struct drm_i915_private *dev_priv, unsigned int required_vco)
> +skl_dpll0_enable(struct drm_i915_private *dev_priv, int vco)
>  {
>  	int min_cdclk;
>  	u32 val;
>  
>  	/* select the minimum CDCLK before enabling DPLL 0 */
> -	if (required_vco == 8640)
> +	if (vco == 8640)
>  		min_cdclk = 308570;
>  	else
>  		min_cdclk = 337500;
> @@ -5589,7 +5589,7 @@ skl_dpll0_enable(struct drm_i915_private *dev_priv, unsigned int required_vco)
>  	val &= ~(DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) | DPLL_CTRL1_SSC(SKL_DPLL0) |
>  		 DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0));
>  	val |= DPLL_CTRL1_OVERRIDE(SKL_DPLL0);
> -	if (required_vco == 8640)
> +	if (vco == 8640)
>  		val |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1080,
>  					    SKL_DPLL0);
>  	else
> @@ -5703,13 +5703,13 @@ void skl_uninit_cdclk(struct drm_i915_private *dev_priv)
>  
>  void skl_init_cdclk(struct drm_i915_private *dev_priv)
>  {
> -	unsigned int required_vco;
> +	unsigned int vco;
>  
>  	/* DPLL0 not enabled (happens on early BIOS versions) */
>  	if (!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_ENABLE)) {
>  		/* enable DPLL0 */
> -		required_vco = skl_cdclk_get_vco(dev_priv->skl_boot_cdclk);
> -		skl_dpll0_enable(dev_priv, required_vco);
> +		vco = skl_cdclk_get_vco(dev_priv->skl_boot_cdclk);
> +		skl_dpll0_enable(dev_priv, vco);
>  	}
>  
>  	/* set CDCLK to the frequency the BIOS chose */

-- 
Jani Nikula, Intel Open Source Technology Center


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