[Intel-gfx] [PATCH 05/11] drm/i915: Remove bxt m2_frac_en

Jani Nikula jani.nikula at linux.intel.com
Fri Mar 4 11:19:08 UTC 2022


On Tue, 01 Mar 2022, Ville Syrjala <ville.syrjala at linux.intel.com> wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Remove the pointless m2_frac_en from bxt_clk_div.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

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

> ---
>  drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 18 ++++++++----------
>  1 file changed, 8 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> index bc26ebacae12..8beec5ec72f8 100644
> --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> @@ -2087,7 +2087,6 @@ struct bxt_clk_div {
>  	u32 p2;
>  	u32 m2_int;
>  	u32 m2_frac;
> -	bool m2_frac_en;
>  	u32 n;
>  
>  	int vco;
> @@ -2095,13 +2094,13 @@ struct bxt_clk_div {
>  
>  /* pre-calculated values for DP linkrates */
>  static const struct bxt_clk_div bxt_dp_clk_val[] = {
> -	{ 162000, 4, 2, 32, 1677722, 1, 1 },
> -	{ 270000, 4, 1, 27,       0, 0, 1 },
> -	{ 540000, 2, 1, 27,       0, 0, 1 },
> -	{ 216000, 3, 2, 32, 1677722, 1, 1 },
> -	{ 243000, 4, 1, 24, 1258291, 1, 1 },
> -	{ 324000, 4, 1, 32, 1677722, 1, 1 },
> -	{ 432000, 3, 1, 32, 1677722, 1, 1 }
> +	{ 162000, 4, 2, 32, 1677722, 1 },
> +	{ 270000, 4, 1, 27,       0, 1 },
> +	{ 540000, 2, 1, 27,       0, 1 },
> +	{ 216000, 3, 2, 32, 1677722, 1 },
> +	{ 243000, 4, 1, 24, 1258291, 1 },
> +	{ 324000, 4, 1, 32, 1677722, 1 },
> +	{ 432000, 3, 1, 32, 1677722, 1 }
>  };
>  
>  static bool
> @@ -2130,7 +2129,6 @@ bxt_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state,
>  	clk_div->n = best_clock.n;
>  	clk_div->m2_int = best_clock.m2 >> 22;
>  	clk_div->m2_frac = best_clock.m2 & ((1 << 22) - 1);
> -	clk_div->m2_frac_en = clk_div->m2_frac != 0;
>  
>  	clk_div->vco = best_clock.vco;
>  
> @@ -2203,7 +2201,7 @@ static bool bxt_ddi_set_dpll_hw_state(struct intel_crtc_state *crtc_state,
>  	dpll_hw_state->pll1 = PORT_PLL_N(clk_div->n);
>  	dpll_hw_state->pll2 = clk_div->m2_frac;
>  
> -	if (clk_div->m2_frac_en)
> +	if (clk_div->m2_frac)
>  		dpll_hw_state->pll3 = PORT_PLL_M2_FRAC_ENABLE;
>  
>  	dpll_hw_state->pll6 = prop_coef | PORT_PLL_INT_COEFF(int_coef);

-- 
Jani Nikula, Intel Open Source Graphics Center


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