[Intel-gfx] [PATCH 4/9] drm/i915/ehl: Add dpll mgr

[Souza, Jose]

On Wed, 2019-03-13 at 14:11 -0700, Rodrigo Vivi wrote:
> From: Lucas De Marchi <lucas.demarchi at intel.com>
> 
> Elkhart Lake has a different set of PLLs as compared to Ice Lake,
> although programming them is very similar.
> 

Reviewed-by: José Roberto de Souza <jose.souza at intel.com>

> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_dpll_mgr.c | 16 +++++++++++++++-
>  1 file changed, 15 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c
> b/drivers/gpu/drm/i915/intel_dpll_mgr.c
> index b3fb221c2532..a9feb119c19f 100644
> --- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
> +++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
> @@ -3246,6 +3246,18 @@ static const struct intel_dpll_mgr icl_pll_mgr
> = {
>  	.dump_hw_state = icl_dump_hw_state,
>  };
>  
> +static const struct dpll_info ehl_plls[] = {
> +	{ "DPLL 0", &icl_pll_funcs, DPLL_ID_ICL_DPLL0,      0 },
> +	{ "DPLL 1", &icl_pll_funcs, DPLL_ID_ICL_DPLL1,      0 },
> +	{ },
> +};
> +
> +static const struct intel_dpll_mgr ehl_pll_mgr = {
> +	.dpll_info = ehl_plls,
> +	.get_dpll = icl_get_dpll,
> +	.dump_hw_state = icl_dump_hw_state,
> +};
> +
>  /**
>   * intel_shared_dpll_init - Initialize shared DPLLs
>   * @dev: drm device
> @@ -3259,7 +3271,9 @@ void intel_shared_dpll_init(struct drm_device
> *dev)
>  	const struct dpll_info *dpll_info;
>  	int i;
>  
> -	if (INTEL_GEN(dev_priv) >= 11)
> +	if (IS_ELKHARTLAKE(dev_priv))
> +		dpll_mgr = &ehl_pll_mgr;
> +	else if (INTEL_GEN(dev_priv) >= 11)
>  		dpll_mgr = &icl_pll_mgr;
>  	else if (IS_CANNONLAKE(dev_priv))
>  		dpll_mgr = &cnl_pll_mgr;
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