[igt-dev] [v3 1/4] lib/igt_kms: add helper to check if output is mst

[Modem, Bhanuprakash]

On Thu-24-08-2023 01:42 pm, Swati Sharma wrote:
> Helper is added to check if output is mst or not.
> 
> v2: -use output->config.connector_path to know if
>       output is dpmst (Bhanu)
> 
> Signed-off-by: Swati Sharma <swati2.sharma at intel.com>

Reviewed-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>

> ---
>   lib/igt_kms.c | 11 +++++++++++
>   lib/igt_kms.h |  1 +
>   2 files changed, 12 insertions(+)
> 
> diff --git a/lib/igt_kms.c b/lib/igt_kms.c
> index e0959ccff..3af10946c 100644
> --- a/lib/igt_kms.c
> +++ b/lib/igt_kms.c
> @@ -6039,3 +6039,14 @@ bool i915_pipe_output_combo_valid(igt_display_t *display)
>   	 */
>   	return igt_check_bigjoiner_support(display);
>   }
> +
> +/**
> + * igt_check_output_is_dp_mst
> + * @output: Target output
> + *
> + * Returns: true if output is dp-mst, else false.
> + */
> +bool igt_check_output_is_dp_mst(igt_output_t *output)
> +{
> +	return !!output->config.connector_path;
> +}
> diff --git a/lib/igt_kms.h b/lib/igt_kms.h
> index 91355c910..35826d4bd 100644
> --- a/lib/igt_kms.h
> +++ b/lib/igt_kms.h
> @@ -1013,5 +1013,6 @@ bool igt_bigjoiner_possible(drmModeModeInfo *mode, int max_dotclock);
>   bool igt_check_bigjoiner_support(igt_display_t *display);
>   bool igt_parse_mode_string(const char *mode_string, drmModeModeInfo *mode);
>   bool i915_pipe_output_combo_valid(igt_display_t *display);
> +bool igt_check_output_is_dp_mst(igt_output_t *output);
>   
>   #endif /* __IGT_KMS_H__ */