From: Dave Airlie <[email protected]> There was a nouveau DDX that relied on legacy context ioctls to work, but we fixed it years ago, give distros that have a modern DDX the option to break the uAPI and close the mess of holes that legacy context support is.
Signed-off-by: Dave Airlie <[email protected]> --- drivers/gpu/drm/nouveau/Kconfig | 10 ++++++++++ drivers/gpu/drm/nouveau/nouveau_drm.c | 7 +++++-- 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig index 00cd9ab8948d..688b6f618b65 100644 --- a/drivers/gpu/drm/nouveau/Kconfig +++ b/drivers/gpu/drm/nouveau/Kconfig @@ -21,6 +21,16 @@ config DRM_NOUVEAU help Choose this option for open-source NVIDIA support. +config NOUVEAU_LEGACY_CTX_SUPPORT + bool "Nouveau legacy context support" + default y + help + There was a version of the nouveau DDX that relied on legacy + ctx ioctls not erroring out. But that was back in time a long + ways, so offer a way to disable it now. For uapi compat with + old nouveau ddx this should be on by default, but modern distros + should consider turning it off. + config NOUVEAU_PLATFORM_DRIVER bool "Nouveau (NVIDIA) SoC GPUs" depends on DRM_NOUVEAU && ARCH_TEGRA diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 5020265bfbd9..6ab9033f49da 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -1094,8 +1094,11 @@ nouveau_driver_fops = { static struct drm_driver driver_stub = { .driver_features = - DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER | - DRIVER_KMS_LEGACY_CONTEXT, + DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER +#if defined(CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT) + | DRIVER_KMS_LEGACY_CONTEXT +#endif + , .open = nouveau_drm_open, .postclose = nouveau_drm_postclose, -- 2.20.1 _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
