Re: [PATCH 04/16] drm/i915: Flatten hsw_crtc_compute_clock()

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On Mon, 13 Sep 2021, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> hsw_crtc_compute_clock() has become spaghetti. Flatten
> it a bit to make it at least semi-legible.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/display/intel_dpll.c | 20 +++++++++++---------
>  1 file changed, 11 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dpll.c b/drivers/gpu/drm/i915/display/intel_dpll.c
> index 210f91f4a576..ace9157a1c30 100644
> --- a/drivers/gpu/drm/i915/display/intel_dpll.c
> +++ b/drivers/gpu/drm/i915/display/intel_dpll.c
> @@ -937,16 +937,18 @@ static int hsw_crtc_compute_clock(struct intel_crtc_state *crtc_state)
>  	struct intel_encoder *encoder =
>  		intel_get_crtc_new_encoder(state, crtc_state);
>  
> -	if (IS_DG2(dev_priv)) {
> +	if (IS_DG2(dev_priv))
>  		return intel_mpllb_calc_state(crtc_state, encoder);
> -	} else if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI) ||
> -		   DISPLAY_VER(dev_priv) >= 11) {
> -		if (!intel_reserve_shared_dplls(state, crtc, encoder)) {
> -			drm_dbg_kms(&dev_priv->drm,
> -				    "failed to find PLL for pipe %c\n",
> -				    pipe_name(crtc->pipe));
> -			return -EINVAL;
> -		}
> +
> +	if (DISPLAY_VER(dev_priv) < 11 &&
> +	    intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI))
> +		return 0;
> +
> +	if (!intel_reserve_shared_dplls(state, crtc, encoder)) {
> +		drm_dbg_kms(&dev_priv->drm,
> +			    "failed to find PLL for pipe %c\n",
> +			    pipe_name(crtc->pipe));
> +		return -EINVAL;
>  	}
>  
>  	return 0;

-- 
Jani Nikula, Intel Open Source Graphics Center




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