igt: Skip MI_STORE_DWORD_IMM on gen2

On gen2 MI_STORE_DWORD_IMM operates on a physical, not virtual, address
i.e. we can't use it.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/gem_busy.c b/tests/gem_busy.c
index edd74d9e..edec7c9b 100644
--- a/tests/gem_busy.c
+++ b/tests/gem_busy.c
@@ -500,6 +500,11 @@ static void basic(int fd, unsigned ring, unsigned flags)
 	igt_spin_batch_free(fd, spin);
 }
 
+static bool can_store_dword_imm(int fd)
+{
+	return intel_gen(intel_gen(intel_get_drm_devid(fd))) > 2;
+}
+
 igt_main
 {
 	const struct intel_execution_engine *e;
@@ -509,6 +514,7 @@ igt_main
 
 	igt_fixture {
 		fd = drm_open_driver_master(DRIVER_INTEL);
+		igt_require(can_store_dword_imm(fd));
 	}
 
 	igt_subtest_group {