On Wed, Jan 08, 2020 at 08:12:42PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <[email protected]>
> 
> .get_modes() is supposed to return the number of modes added to the
> probed_modes list (not that anyone actually checks for anything
> except zero vs. not zero). Let's do that.
> 
> Signed-off-by: Ville Syrjälä <[email protected]>

Reviewed-by: Imre Deak <[email protected]>

> ---
>  drivers/gpu/drm/i915/display/intel_dvo.c | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c 
> b/drivers/gpu/drm/i915/display/intel_dvo.c
> index a74dc5b915d1..3ce9f72d12e5 100644
> --- a/drivers/gpu/drm/i915/display/intel_dvo.c
> +++ b/drivers/gpu/drm/i915/display/intel_dvo.c
> @@ -322,6 +322,7 @@ static int intel_dvo_get_modes(struct drm_connector 
> *connector)
>       struct drm_i915_private *dev_priv = to_i915(connector->dev);
>       const struct drm_display_mode *fixed_mode =
>               to_intel_connector(connector)->panel.fixed_mode;
> +     int num_modes;
>  
>       /*
>        * We should probably have an i2c driver get_modes function for those
> @@ -329,21 +330,22 @@ static int intel_dvo_get_modes(struct drm_connector 
> *connector)
>        * (TV-out, for example), but for now with just TMDS and LVDS,
>        * that's not the case.
>        */
> -     intel_ddc_get_modes(connector,
> -                         intel_gmbus_get_adapter(dev_priv, GMBUS_PIN_DPC));
> -     if (!list_empty(&connector->probed_modes))
> -             return 1;
> +     num_modes = intel_ddc_get_modes(connector,
> +                                     intel_gmbus_get_adapter(dev_priv, 
> GMBUS_PIN_DPC));
> +     if (num_modes)
> +             return num_modes;
>  
>       if (fixed_mode) {
>               struct drm_display_mode *mode;
> +
>               mode = drm_mode_duplicate(connector->dev, fixed_mode);
>               if (mode) {
>                       drm_mode_probed_add(connector, mode);
> -                     return 1;
> +                     num_modes++;
>               }
>       }
>  
> -     return 0;
> +     return num_modes;
>  }
>  
>  static const struct drm_connector_funcs intel_dvo_connector_funcs = {
> -- 
> 2.24.1
> 
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