[PATCH v2 01/22] drm: add clone mode check for CRTC

[Dmitry Baryshkov]

On Tue, Sep 24, 2024 at 03:59:17PM GMT, Jessica Zhang wrote:
> Add helper to check if the given CRTC state is in clone mode
> 
> Signed-off-by: Jessica Zhang <quic_jesszhan at quicinc.com>
> ---
>  include/drm/drm_crtc.h | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index 8b48a1974da3..ecb93e2c4afc 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -1323,5 +1323,12 @@ static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev,
>  
>  int drm_crtc_create_scaling_filter_property(struct drm_crtc *crtc,
>  					    unsigned int supported_filters);

Missing kerneldoc

> +static inline bool drm_crtc_in_clone_mode(struct drm_crtc_state *crtc_state)
> +{
> +	if (!crtc_state)
> +		return false;
> +
> +	return hweight32(crtc_state->encoder_mask) > 1;
> +}
>  
>  #endif /* __DRM_CRTC_H__ */
> 
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry