diff options
| -rw-r--r-- | render/allocator/allocator.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/render/allocator/allocator.c b/render/allocator/allocator.c index b380584c..10284cdd 100644 --- a/render/allocator/allocator.c +++ b/render/allocator/allocator.c @@ -69,11 +69,11 @@ static int reopen_drm_node(int drm_fd, bool allow_render_node) { free(name); - // If we're using a DRM primary node (e.g. because we're running under the - // DRM backend, or because we're on split render/display machine), we need - // to use the legacy DRM authentication mechanism to have the permission to - // manipulate buffers. - if (drmGetNodeTypeFromFd(new_fd) == DRM_NODE_PRIMARY) { + // If we're using a DRM primary node and we are DRM master (e.g. because + // we're running under the DRM backend), we need to use the legacy DRM + // authentication mechanism to have the permission to manipulate DRM dumb + // buffers. + if (drmIsMaster(drm_fd) && drmGetNodeTypeFromFd(new_fd) == DRM_NODE_PRIMARY) { drm_magic_t magic; if (drmGetMagic(new_fd, &magic) < 0) { wlr_log_errno(WLR_ERROR, "drmGetMagic failed"); |