[igt-dev] [PATCH 1/7] tests/panfrost: Make sure we open a DUMB capable node for prime tests

[Boris Brezillon]

Signed-off-by: Boris Brezillon <boris.brezillon at collabora.com>
---
 tests/panfrost_prime.c | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/tests/panfrost_prime.c b/tests/panfrost_prime.c
index 351d46f2f7e6..f9818108a662 100644
--- a/tests/panfrost_prime.c
+++ b/tests/panfrost_prime.c
@@ -35,12 +35,36 @@
 #include <sys/ioctl.h>
 #include "panfrost_drm.h"
 
+static int igt_panfrost_open_kms_driver(void)
+{
+	for (unsigned i = 0; i < 2; i++) {
+		uint64_t cap_dumb_buf = 0, cap_prime = 0;
+		char path[32];
+		int fd;
+
+		snprintf(path, sizeof(path), "/dev/dri/card%d", i);
+
+		fd = open(path, O_RDWR);
+		if (fd < 0)
+			continue;
+
+		drmGetCap(fd, DRM_CAP_DUMB_BUFFER, &cap_dumb_buf);
+		drmGetCap(fd, DRM_CAP_PRIME, &cap_prime);
+		if (cap_dumb_buf && (cap_prime & DRM_PRIME_CAP_EXPORT))
+			return fd;
+
+		close(fd);
+	}
+
+	return -1;
+}
+
 igt_main
 {
 	int fd, kms_fd;
 
 	igt_fixture {
-		kms_fd = drm_open_driver_master(DRIVER_ANY);
+		kms_fd = igt_panfrost_open_kms_driver();
 		fd = drm_open_driver(DRIVER_PANFROST);
 	}
 
-- 
2.31.1