[PATCH] drm/xe/oa: Wa_14026633728

[Shekhar Chauhan <shekhar.chauhan@intel.com>]

For MERT_OA in CRI, the OA_Buffer is in device memory. The minimum
exponent needed for it is 8. Bump it up.

Signed-off-by: Shekhar Chauhan <shekhar.chauhan@intel.com>
---
 tests/intel/xe_oa.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/intel/xe_oa.c b/tests/intel/xe_oa.c
index 988c46df6..7bd9d17c4 100644
--- a/tests/intel/xe_oa.c
+++ b/tests/intel/xe_oa.c
@@ -2645,6 +2645,12 @@ test_non_zero_reason(const struct drm_xe_oa_unit *oau, size_t oa_buffer_size)
 {
 	/* ~20 micro second period */
 	int oa_exponent = max_oa_exponent_for_period_lte(20000);
+
+	/* Wa_14026633728: MERTOA buffer on CRI is in device memory,
+	 * minimum exponent to avoid overflow is 8 */
+	if (oau->oa_unit_type == DRM_XE_OA_UNIT_TYPE_MERT && IS_CRESCENTISLAND(devid))
+		oa_exponent = max(oa_exponent, 8);
+
 	struct intel_xe_perf_metric_set *test_set = oa_unit_metric_set(oau);
 	uint64_t fmt = test_set->perf_oa_format;
 	size_t report_size = get_oa_format(fmt).size;
-- 
2.53.0