[Intel-gfx] [PATCH igt] tests/gem_mmap_wc: SKIP if the Kernel is too old for the getparam flag

[Paulo Zanoni]

If the Kernel is too old, getparam will return -EINVAL. Just SKIP on
this case.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89739
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
---
 tests/gem_mmap_wc.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tests/gem_mmap_wc.c b/tests/gem_mmap_wc.c
index 6e43465..f9d001a 100644
--- a/tests/gem_mmap_wc.c
+++ b/tests/gem_mmap_wc.c
@@ -93,6 +93,7 @@ test_invalid_flags(int fd)
 	struct local_i915_gem_mmap_v2 arg;
 	uint64_t flag = I915_MMAP_WC;
 	int val = -1;
+	int rc;
 
 	memset(&arg, 0, sizeof(arg));
 	arg.handle = gem_create(fd, 4096);
@@ -104,7 +105,9 @@ test_invalid_flags(int fd)
 	gp.value = &val;
 
 	/* Do we have the new mmap_ioctl? */
-	do_ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp);
+	rc = drmIoctl(fd, DRM_IOCTL_I915_GETPARAM, &gp);
+	igt_skip_on(rc == -1 && errno == EINVAL);
+	igt_assert(rc == 0);
 
 	if (val >= 1) {
 		/*
-- 
2.4.6