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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>
This commit is contained in:
Daniel Stone 2017-09-06 17:29:57 +01:00
parent b138d7afb3
commit be1090b523
1 changed files with 4 additions and 2 deletions
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6
libweston/compositor-drm.c
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@ -2105,8 +2105,10 @@ 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");