[igt-dev] [RFC 2/2] tests/kms_content_protection: Remove pre-existing SRM table before the test

[Ankit Nautiyal]

This is to check the case with missing SRM, which should be treated as
device with no revoked keys.

Kernel patch fixing such a bug :
https://patchwork.freedesktop.org/patch/361346/?series=75939&rev=2

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
---
 tests/kms_content_protection.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/kms_content_protection.c b/tests/kms_content_protection.c
index a6a64a28..257d3dd8 100644
--- a/tests/kms_content_protection.c
+++ b/tests/kms_content_protection.c
@@ -783,6 +783,10 @@ igt_main
 		data.drm_fd = drm_open_driver_master(DRIVER_ANY);
 
 		igt_display_require(&data.display, data.drm_fd);
+
+		/* Remove pre-existing srm table */
+		igt_assert_f(!remove("/lib/firmware/display_hdcp_srm.bin"),
+			     "Failed to delete previous srm table\n");
 	}
 
 	for (i = 0; i < ARRAY_SIZE(hdcp_protocol); i++) {
-- 
2.17.1