[PATCH i-g-t 1/3] lib/igt_kms: Add is_joiner_mode function

[Sharma, Swati2]

Please add

Signed-off-by: Santhosh Reddy Guddati <santhosh.reddy.guddati at intel.com>

He did similar changes in

https://patchwork.freedesktop.org/patch/625225/?series=140349&rev=4

With this fixed, patch LGTM

Reviewed-by: Swati Sharma <swati2.sharma at intel.com>

On 20-11-2024 11:13 pm, Jeevan B wrote:

> Introduce a utility to check if bigjoiner or ultrajoiner
> mode is required based on requirement.
>
> Signed-off-by: Jeevan B <jeevan.b at intel.com>
> ---
>   lib/igt_kms.c | 31 +++++++++++++++++++++++++++++++
>   lib/igt_kms.h |  1 +
>   2 files changed, 32 insertions(+)
>
> diff --git a/lib/igt_kms.c b/lib/igt_kms.c
> index 76f32e1e0..6fb5822ee 100644
> --- a/lib/igt_kms.c
> +++ b/lib/igt_kms.c
> @@ -6441,6 +6441,37 @@ bool ultrajoiner_mode_found(int drm_fd, drmModeConnector *connector,
>   	return found;
>   }
>   
> +/**
> + * is_joiner_mode:
> + * @drm_fd: drm file descriptor
> + * @output: pointer to the output structure
> + *
> + * Checks if the current configuration requires Big Joiner or Ultra Joiner mode
> + * based on the maximum dot clock and connector settings.
> + *
> + * Returns: True if joiner mode is required, otherwise False.
> + */
> +bool is_joiner_mode(int drm_fd, igt_output_t *output)
> +{
> +	bool is_joiner = false;
> +	bool is_ultra_joiner = false;
> +	int max_dotclock;
> +	drmModeModeInfo mode;
> +
> +	max_dotclock = igt_get_max_dotclock(drm_fd);
> +	is_joiner = bigjoiner_mode_found(drm_fd,
> +					 output->config.connector,
> +					 max_dotclock, &mode);
> +	is_ultra_joiner = ultrajoiner_mode_found(drm_fd,
> +						 output->config.connector,
> +						 max_dotclock, &mode);
> +
> +	if (is_joiner || is_ultra_joiner)
> +		return true;
> +
> +	return false;
> +}
> +
>   /**
>    * igt_has_force_joiner_debugfs
>    * @drmfd: A drm file descriptor
> diff --git a/lib/igt_kms.h b/lib/igt_kms.h
> index 301f370df..c2fbbb5b0 100644
> --- a/lib/igt_kms.h
> +++ b/lib/igt_kms.h
> @@ -1248,6 +1248,7 @@ bool igt_ultrajoiner_possible(drmModeModeInfo *mode, int max_dotclock);
>   bool ultrajoiner_mode_found(int drm_fd, drmModeConnector *connector,
>   			  int max_dotclock, drmModeModeInfo *mode);
>   bool igt_has_force_joiner_debugfs(int drmfd, char *conn_name);
> +bool is_joiner_mode(int drm_fd, igt_output_t *output);
>   bool igt_check_force_joiner_status(int drmfd, char *connector_name);
>   bool igt_check_bigjoiner_support(igt_display_t *display);
>   bool igt_parse_mode_string(const char *mode_string, drmModeModeInfo *mode);