i915/gem_ppgtt: Require contexts for context tests

Using the libdrm interface, failure to allocate a context upon demand
was ignored. Switching to libigt, such failures are reported.
Unfortunately, some machines lack context support and now fail instead
of skipping a test they cannot perform.

Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2493
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/tests/i915/gem_ppgtt.c b/tests/i915/gem_ppgtt.c
index 949601ac..e81620ac 100644
--- a/tests/i915/gem_ppgtt.c
+++ b/tests/i915/gem_ppgtt.c
@@ -262,6 +262,18 @@ static void flink_and_close(void)
 	close(fd2);
 }
 
+static bool has_contexts(void)
+{
+	bool result;
+	int fd;
+
+	fd = drm_open_driver(DRIVER_INTEL);
+	result = gem_has_contexts(fd);
+	close(fd);
+
+	return result;
+}
+
 #define N_CHILD 8
 igt_main
 {
@@ -290,6 +302,8 @@ igt_main
 	igt_subtest("blt-vs-render-ctxN") {
 		struct intel_buf *bcs[1], *rcs[N_CHILD];
 
+		igt_require(has_contexts());
+
 		fork_rcs_copy(30, 0x8000 / N_CHILD, rcs, N_CHILD, CREATE_CONTEXT);
 		fork_bcs_copy(30, 0x4000, bcs, 1);