On Wed, Feb 21, 2024 at 09:20:08PM +0200, Stanislav Lisovskiy wrote:
> Don't call enabled_bigjoiner_pipes twice, lets just move
> intel_get_bigjoiner_config earlier, because it is anyway
> calling same function.
> Also cleanup hsw_enabled_transcoders from irrelevant bigjoiner code.

I still don't like this.

> 
> Signed-off-by: Stanislav Lisovskiy <[email protected]>
> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 22 ++++++++++----------
>  1 file changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
> b/drivers/gpu/drm/i915/display/intel_display.c
> index 00ac65a140298..916c13a149fd5 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -3535,7 +3535,6 @@ static u8 hsw_enabled_transcoders(struct intel_crtc 
> *crtc)
>       struct drm_i915_private *dev_priv = to_i915(dev);
>       u8 panel_transcoder_mask = hsw_panel_transcoders(dev_priv);
>       enum transcoder cpu_transcoder;
> -     u8 master_pipes, slave_pipes;
>       u8 enabled_transcoders = 0;
>  
>       /*
> @@ -3586,15 +3585,6 @@ static u8 hsw_enabled_transcoders(struct intel_crtc 
> *crtc)
>       if (transcoder_ddi_func_is_enabled(dev_priv, cpu_transcoder))
>               enabled_transcoders |= BIT(cpu_transcoder);
>  
> -     /* bigjoiner slave -> consider the master pipe's transcoder as well */
> -     enabled_bigjoiner_pipes(dev_priv, &master_pipes, &slave_pipes);
> -     if (slave_pipes & BIT(crtc->pipe)) {
> -             cpu_transcoder = (enum transcoder)
> -                     get_bigjoiner_master_pipe(crtc->pipe, master_pipes, 
> slave_pipes);
> -             if (transcoder_ddi_func_is_enabled(dev_priv, cpu_transcoder))
> -                     enabled_transcoders |= BIT(cpu_transcoder);
> -     }
> -
>       return enabled_transcoders;
>  }
>  
> @@ -3641,6 +3631,15 @@ static bool hsw_get_transcoder_state(struct intel_crtc 
> *crtc,
>       u32 tmp;
>  
>       enabled_transcoders = hsw_enabled_transcoders(crtc);
> +
> +     /* bigjoiner slave -> consider the master pipe's transcoder as well */
> +     if (intel_crtc_is_bigjoiner_slave(pipe_config)) {
> +             unsigned long cpu_transcoder = (enum transcoder)
> +                     bigjoiner_master_pipe(pipe_config);
> +             if (transcoder_ddi_func_is_enabled(dev_priv, cpu_transcoder))
> +                     enabled_transcoders |= BIT(cpu_transcoder);
> +     }
> +
>       if (!enabled_transcoders)
>               return false;
>  
> @@ -3745,6 +3744,8 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc,
>  
>       pipe_config->shared_dpll = NULL;
>  
> +     intel_bigjoiner_get_config(pipe_config);
> +
>       active = hsw_get_transcoder_state(crtc, pipe_config, 
> &crtc->hw_readout_power_domains);
>  
>       if ((IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) &&
> @@ -3756,7 +3757,6 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc,
>       if (!active)
>               goto out;
>  
> -     intel_bigjoiner_get_config(pipe_config);
>       intel_dsc_get_config(pipe_config);
>  
>       if (!transcoder_is_dsi(pipe_config->cpu_transcoder) ||
> -- 
> 2.37.3

-- 
Ville Syrjälä
Intel

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