Add a test environment variable to allow disabling universal planes.
Signed-off-by: Daniel Stone <dani...@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
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