[i-g-t V6 7/8] tests/kms_setmode: Force joiner support in bigjoiner checks

[B, Jeevan]

> -----Original Message-----
> From: Modem, Bhanuprakash <bhanuprakash.modem at intel.com>
> Sent: Tuesday, June 18, 2024 1:53 PM
> To: igt-dev at lists.freedesktop.org; B, Jeevan <jeevan.b at intel.com>
> Cc: Modem, Bhanuprakash <bhanuprakash.modem at intel.com>; Joshi, Kunal1
> <kunal1.joshi at intel.com>
> Subject: [i-g-t V6 7/8] tests/kms_setmode: Force joiner support in bigjoiner
> checks
> 
> As we recently introduced the option (through debugfs) to force the bigjoiner,
> needs to extend the support in bigjoiner checks to handle the force joiner.
> 
> V2: - Fix connector name
> 
> Cc: Kunal Joshi <kunal1.joshi at intel.com>
> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
> ---
>  tests/kms_setmode.c | 22 ++++++++++++++++++----
>  1 file changed, 18 insertions(+), 4 deletions(-)
> 
> diff --git a/tests/kms_setmode.c b/tests/kms_setmode.c index
> 490bfd3dd..95c5bfadc 100644
> --- a/tests/kms_setmode.c
> +++ b/tests/kms_setmode.c
> @@ -709,24 +709,38 @@ static void test_one_combination(const struct
> test_config *tconf,
> 
>  		for (i = 0; i < crtc_count; i++) {
>  			struct crtc_config *crtc = &crtcs[i];
> +			char conn_name[24], prev_conn_name[24];
> +
> +			snprintf(conn_name, sizeof(conn_name),
> +				 "%s-%d",
> +				 kmstest_connector_type_str(crtcs[i].cconfs-
> >connector->connector_type),
> +				 crtcs[i].cconfs->connector-
> >connector_type_id);
> +
> +			if (i > 0)
> +				snprintf(prev_conn_name,
> sizeof(prev_conn_name),
> +					 "%s-%d",
> +					 kmstest_connector_type_str(crtcs[i -
> 1].cconfs->connector->connector_type),
> +					 crtcs[i - 1].cconfs->connector-
> >connector_type_id);
Same here... 
> 
>  			/*
>  			 * Handle BW limitations on intel hardware:
>  			 *
> -			 * if mode resolution > 5K (or) mode clock >
> max_dotclock,
> +			 * if force joiner (or) mode resolution > 5K (or) mode
> clock >
> +max_dotclock,
>  			 * then ignore
>  			 *   - last crtc in single/multi-connector config
>  			 *   - consecutive crtcs in multi-connector config
>  			 *
>  			 * in multi-connector config ignore if
> -			 *   - previous crtc (mode resolution > 5K (or)
> +			 *   - previous crtc (force joiner (or) mode resolution >
> 5K (or)
>  			 *     mode clock > max_dotclock) and
>  			 *   - current & previous crtcs are consecutive
>  			 */
> -			if ((igt_bigjoiner_possible(&crtc->mode, max_dotclock)
> &&
> +			if (((igt_check_force_joiner_status(drm_fd, conn_name)
> ||
> +			      igt_bigjoiner_possible(&crtc->mode, max_dotclock))
> &&
>  			     ((crtc->crtc_idx >= (tconf->resources->count_crtcs -
> 1)) ||
>  			      ((i < (crtc_count - 1)) && (abs(crtcs[i + 1].crtc_idx -
> crtc->crtc_idx) <= 1)))) ||
> -			    ((i > 0) && igt_bigjoiner_possible(&crtc[i - 1].mode,
> max_dotclock) &&
> +			    ((i > 0) && (igt_check_force_joiner_status(drm_fd,
> prev_conn_name) ||
> +					 igt_bigjoiner_possible(&crtc[i -
> 1].mode, max_dotclock)) &&
>  			     (abs(crtc->crtc_idx - crtcs[i - 1].crtc_idx) <= 1))) {
>  				igt_info("Combo: %s is not possible with
> selected mode(s).\n", test_name);
>  				goto out;
> --
> 2.43.2