[PATCH 1/2] drm/i915/display: Introduce transcoder_has_vrr() helper

[Ville Syrjälä]

On Thu, Mar 27, 2025 at 08:16:28PM +0530, Ankit Nautiyal wrote:
> Introduce a new helper to check transcoder_has_vrr() and use
> that to exclude transcoders which do not support VRR.
> 
> v2: Include HAS_VRR into the helper. (Ville)
> v3: Drop the usage in places where not applicable. (Ville)
> 
> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index ee7812126129..b82b3d63be73 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -2625,6 +2625,15 @@ void intel_cpu_transcoder_set_m2_n2(struct intel_crtc *crtc,
>  		      PIPE_LINK_N2(display, transcoder));
>  }
>  
> +static bool
> +transcoder_has_vrr(const struct intel_crtc_state *crtc_state)
> +{
> +	struct intel_display *display = to_intel_display(crtc_state);
> +	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
> +
> +	return HAS_VRR(display) && !transcoder_is_dsi(cpu_transcoder);
> +}
> +
>  static void intel_set_transcoder_timings(const struct intel_crtc_state *crtc_state)
>  {
>  	struct intel_display *display = to_intel_display(crtc_state);
> @@ -3908,7 +3917,7 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc,
>  	    DISPLAY_VER(display) >= 11)
>  		intel_get_transcoder_timings(crtc, pipe_config);
>  
> -	if (HAS_VRR(display) && !transcoder_is_dsi(pipe_config->cpu_transcoder))
> +	if (transcoder_has_vrr(pipe_config))
>  		intel_vrr_get_config(pipe_config);
>  
>  	intel_get_pipe_src_size(crtc, pipe_config);
> -- 
> 2.45.2

-- 
Ville Syrjälä
Intel