[igt-dev] [PATCH v2] i915/gem_mocs_settings: log the engine and MOCS index

[Lucas De Marchi]

This helps to identify which entry is wrong in the table.

v2: Add back the values and missing \n (from Daniele)

Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
---
 tests/i915/gem_mocs_settings.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/tests/i915/gem_mocs_settings.c b/tests/i915/gem_mocs_settings.c
index 220cdddc..3ad94149 100644
--- a/tests/i915/gem_mocs_settings.c
+++ b/tests/i915/gem_mocs_settings.c
@@ -366,10 +366,16 @@ static void check_control_registers(int fd,
 
 	gem_set_domain(fd, dst_handle, I915_GEM_DOMAIN_CPU, 0);
 	for (int index = 0; index < table.size; index++) {
+		uint32_t val, read_val;
+
 		if (!table.table[index].used)
 			continue;
-		igt_assert_eq_u32(read_regs[index],
-				  table.table[index].control_value);
+
+		read_val = read_regs[index];
+		val = table.table[index].control_value;
+		igt_assert_f(read_val == val,
+			     "engine=%u index=%u read_value=0x%08x value=0x%08x\n",
+			     engine, index, read_val, val);
 	}
 
 	munmap(read_regs, 4096);
-- 
2.21.0