[Intel-gfx] [PATCH 1/2] drm/i915: Limit MST modes based on plane size too

[Souza, Jose]

On Tue, 2019-10-01 at 18:46 +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> When adding the max plane size checks to the .mode_valid() hooks
> I naturally forgot about MST. Take care of that one as well.

Reviewed-by: José Roberto de Souza <jose.souza at intel.com>

> 
> Cc: Manasi Navare <manasi.d.navare at intel.com>
> Cc: Sean Paul <sean at poorly.run>
> Cc: José Roberto de Souza <jose.souza at intel.com>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Fixes: 2d20411e25a3 ("drm/i915: Don't advertise modes that exceed the
> max plane size")
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_dp_mst.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c
> b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> index df4f35c10a69..2203be28ea01 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
> @@ -424,6 +424,7 @@ static enum drm_mode_status
>  intel_dp_mst_mode_valid(struct drm_connector *connector,
>  			struct drm_display_mode *mode)
>  {
> +	struct drm_i915_private *dev_priv = to_i915(connector->dev);
>  	struct intel_connector *intel_connector =
> to_intel_connector(connector);
>  	struct intel_dp *intel_dp = intel_connector->mst_port;
>  	int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
> @@ -451,7 +452,7 @@ intel_dp_mst_mode_valid(struct drm_connector
> *connector,
>  	if (mode_rate > max_rate || mode->clock > max_dotclk)
>  		return MODE_CLOCK_HIGH;
>  
> -	return MODE_OK;
> +	return intel_mode_valid_max_plane_size(dev_priv, mode);
>  }
>  
>  static struct drm_encoder *intel_mst_atomic_best_encoder(struct
> drm_connector *connector,