compositor-drm: Allow disabling universal planes
Add a test environment variable to allow disabling universal planes.
Signed-off-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
diff --git a/libweston/compositor-drm.c b/libweston/compositor-drm.c
index dc90781..b641d61 100644
--- a/libweston/compositor-drm.c
+++ b/libweston/compositor-drm.c
@@ -2105,8 +2105,10 @@
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");