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The tegra-drm + nvidia-drm setup on r36 is tenuous with respect to egl-gbm (and particularly calls to eglGetPlatformDisplayEXT with EGL_PLATFORM_GBM_KHR). It was only working somewhat by chance due to the order that devices are probed and then made available to readdir(). This change adds a patch to egl-gbm to provide a fallback in the case where eglGetPlatformDisplayEXT(EGL_PLATFORM_GBM_KHR) might have otherwise failed for no good reason, thus eliminating the need for workarounds to enforce ordering of the modules loading. Signed-off-by: Kurt Kiefer <kekiefer@gmail.com>