[PATCH i-g-t 1/2] tests/intel/xe_oa: Fetch OA buffer size from observation IOCTL

[Dixit, Ashutosh]

On Sun, 17 Nov 2024 22:32:22 -0800, Sai Teja Pottumuttu wrote:
>
> @@ -2367,7 +2392,7 @@ test_buffer_fill(const struct drm_xe_engine_class_instance *hwe)
>	int buf_size = 65536 * report_size;
>	uint8_t *buf = malloc(buf_size);
>	int len;
> -	size_t oa_buf_size = MAX_OA_BUF_SIZE;
> +	size_t oa_buf_size = oa_buffer_size;
>	int n_full_oa_reports = oa_buf_size / report_size;
>	uint64_t fill_duration = n_full_oa_reports * oa_period;
>	uint32_t *last_periodic_report = malloc(report_size);
> @@ -2592,7 +2617,7 @@ test_enable_disable(const struct drm_xe_engine_class_instance *hwe)
>	size_t report_size = get_oa_format(fmt).size;
>	int buf_size = 65536 * report_size;
>	uint8_t *buf = malloc(buf_size);
> -	size_t oa_buf_size = MAX_OA_BUF_SIZE;
> +	size_t oa_buf_size = oa_buffer_size;
>	int n_full_oa_reports = oa_buf_size / report_size;
>	uint64_t fill_duration = n_full_oa_reports * oa_period;
>	uint32_t *last_periodic_report = malloc(report_size);

Maybe get rid of these two oa_buf_size local variables too, directly use
default_oa_buffer_size.