[Intel-gfx] [PATCH v2 12/25] drm/i915/tgl: Add pll manager

[Rodrigo Vivi]

On Mon, Jul 08, 2019 at 04:16:16PM -0700, Lucas De Marchi wrote:
> From: Vandita Kulkarni <vandita.kulkarni at intel.com>
> 
> Add a new pll array for Tiger Lake. The TC pll functions for type C will
> be covered in later patches after its phy is implemented.
> 
> Cc: Madhav Chauhan <madhav.chauhan at intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>

Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>

> Signed-off-by: Vandita Kulkarni <vandita.kulkarni at intel.com>
> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 19 ++++++++++++++++++-
>  1 file changed, 18 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> index 67cfe836286e..ae1c552d7afb 100644
> --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
> @@ -3455,6 +3455,21 @@ static const struct intel_dpll_mgr ehl_pll_mgr = {
>  	.dump_hw_state = icl_dump_hw_state,
>  };
>  
> +static const struct dpll_info tgl_plls[] = {
> +	{ "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0,  0 },
> +	{ "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1,  0 },
> +	{ "TBT PLL",  &tbt_pll_funcs, DPLL_ID_ICL_TBTPLL, 0 },
> +	/* TODO: Add typeC plls */
> +	{ },
> +};
> +
> +static const struct intel_dpll_mgr tgl_pll_mgr = {
> +	.dpll_info = tgl_plls,
> +	.get_dplls = icl_get_dplls,
> +	.put_dplls = icl_put_dplls,
> +	.dump_hw_state = icl_dump_hw_state,
> +};
> +
>  /**
>   * intel_shared_dpll_init - Initialize shared DPLLs
>   * @dev: drm device
> @@ -3468,7 +3483,9 @@ void intel_shared_dpll_init(struct drm_device *dev)
>  	const struct dpll_info *dpll_info;
>  	int i;
>  
> -	if (IS_ELKHARTLAKE(dev_priv))
> +	if (INTEL_GEN(dev_priv) >= 12)
> +		dpll_mgr = &tgl_pll_mgr;
> +	else if (IS_ELKHARTLAKE(dev_priv))
>  		dpll_mgr = &ehl_pll_mgr;
>  	else if (INTEL_GEN(dev_priv) >= 11)
>  		dpll_mgr = &icl_pll_mgr;
> -- 
> 2.21.0
> 
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