Re: [PATCH 07/19] drm/i915/dp: Use connector DSC DPCD in intel_dp_supports_fec()

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On Fri, Oct 06, 2023 at 04:37:15PM +0300, Imre Deak wrote:
> Use the connector's DSC DPCD capabilities in intel_dp_supports_fec().
> 
> Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/display/intel_dp.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index 00f5fecdbf386..8450856e5618d 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -1370,10 +1370,11 @@ static bool intel_dp_source_supports_fec(struct intel_dp *intel_dp,
>  }
>  
>  static bool intel_dp_supports_fec(struct intel_dp *intel_dp,
> +				  const struct intel_connector *connector,
>  				  const struct intel_crtc_state *pipe_config)
>  {
>  	return intel_dp_source_supports_fec(intel_dp, pipe_config) &&
> -		drm_dp_sink_supports_fec(intel_dp->fec_capable);
> +		drm_dp_sink_supports_fec(connector->dp.fec_capability);
>  }
>  
>  static bool intel_dp_supports_dsc(struct intel_dp *intel_dp,
> @@ -2110,12 +2111,14 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
>  {
>  	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
>  	struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
> +	const struct intel_connector *connector =
> +		to_intel_connector(conn_state->connector);
>  	const struct drm_display_mode *adjusted_mode =
>  		&pipe_config->hw.adjusted_mode;
>  	int ret;
>  
>  	pipe_config->fec_enable = !intel_dp_is_edp(intel_dp) &&
> -		intel_dp_supports_fec(intel_dp, pipe_config);
> +		intel_dp_supports_fec(intel_dp, connector, pipe_config);
>  
>  	if (!intel_dp_supports_dsc(intel_dp, pipe_config))
>  		return -EINVAL;
> -- 
> 2.39.2
> 



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