[PATCH i-g-t] tests/xe: Fix usage of xe_dev_max_gt() for array allocation

[Kamil Konieczny]

Hi Gustavo,
On 2025-07-10 at 17:53:10 -0300, Gustavo Sousa wrote:
> The function xe_dev_max_gt() returns the maximum GT ID. Because the ID
> is zero-based, if we want to allocate an array that can hold positions
> for all possible GTs, we need to take xe_dev_max_gt() + 1.
> 
> Fix the current allocations to conform to that.
> 
> Cc: Matt Roper <matthew.d.roper at intel.com>
> Cc: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
> Fixes: edd059dcd652 ("tests/xe: Don't assume max GT ID is num_gt - 1")
> Signed-off-by: Gustavo Sousa <gustavo.sousa at intel.com>

Reviewed-by: Kamil Konieczny <kamil.konieczny at linux.intel.com>

> ---
>  tests/intel/xe_gt_freq.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tests/intel/xe_gt_freq.c b/tests/intel/xe_gt_freq.c
> index 2c90804282c9f9f2ca5cfd0ddc1c7b9f01410225..d0f35b10a5fe4b09779ca8120120b22c98477b44 100644
> --- a/tests/intel/xe_gt_freq.c
> +++ b/tests/intel/xe_gt_freq.c
> @@ -408,8 +408,8 @@ igt_main
>  		max_gt = xe_dev_max_gt(fd);
>  
>  		/* The defaults are the same. Stashing the gt0 is enough */
> -		stash_min = (uint32_t *) malloc(sizeof(uint32_t) * max_gt);
> -		stash_max = (uint32_t *) malloc(sizeof(uint32_t) * max_gt);
> +		stash_min = (uint32_t *) malloc(sizeof(uint32_t) * (max_gt + 1));
> +		stash_max = (uint32_t *) malloc(sizeof(uint32_t) * (max_gt + 1));
>  
>  		xe_for_each_gt(fd, gt) {
>  			stash_min[gt] = xe_gt_get_freq(fd, gt, "min");
> 
> ---
> base-commit: eacde5c2acc37c1570e27b68b8b6c39d8b61fb32
> change-id: 20250710-fix-use-of-xe_dev_max_gt-for-array-allocation-e8400cce536c
> 
> Best regards,
> -- 
> Gustavo Sousa <gustavo.sousa at intel.com>
>