[PATCH weston v12 03/40] [TEST] compositor-drm: Allow disabling universal planes

[Daniel Stone]

Add a test environment variable to allow disabling universal planes.

Signed-off-by: Daniel Stone <daniels at collabora.com>
---
 libweston/compositor-drm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libweston/compositor-drm.c b/libweston/compositor-drm.c
index b28e602f..0827e953 100644
--- a/libweston/compositor-drm.c
+++ b/libweston/compositor-drm.c
@@ -2551,8 +2551,10 @@ init_kms_caps(struct drm_backend *b)
 	else
 		b->cursor_height = 64;
 
-	ret = drmSetClientCap(b->drm.fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
-	b->universal_planes = (ret == 0);
+	if (!getenv("WESTON_DISABLE_UNIVERSAL_PLANES")) {
+		ret = drmSetClientCap(b->drm.fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
+		b->universal_planes = (ret == 0);
+	}
 	weston_log("DRM: %s universal planes\n",
 		   b->universal_planes ? "supports" : "does not support");
 
-- 
2.14.1