On Thu, Nov 26, 2020 at 01:44:37PM +0530, Uma Shankar wrote:
> Add a WARN to rule out an invalid output range and format
> combination. This is to align the lspcon code with
> compute_avi_infoframes.
> 
> Signed-off-by: Uma Shankar <uma.shan...@intel.com>

Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_lspcon.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c 
> b/drivers/gpu/drm/i915/display/intel_lspcon.c
> index 7cb65e0f241e..9552dfc55e20 100644
> --- a/drivers/gpu/drm/i915/display/intel_lspcon.c
> +++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
> @@ -523,6 +523,10 @@ void lspcon_set_infoframes(struct intel_encoder *encoder,
>       else
>               frame.avi.colorspace = HDMI_COLORSPACE_RGB;
>  
> +     /* nonsense combination */
> +     drm_WARN_ON(encoder->base.dev, crtc_state->limited_color_range &&
> +                 crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB);
> +
>       if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_RGB) {
>               drm_hdmi_avi_infoframe_quant_range(&frame.avi,
>                                                  conn_state->connector,
> -- 
> 2.26.2

-- 
Ville Syrjälä
Intel
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