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d36137085a
To allow DRM bridges to be removable, add synchronization functions allowing to tell when a bridge hardware has been physically unplugged and to mark a critical section that should not be entered after that. This is inspired by the drm_dev_unplugged/enter/exit() functions for struct drm_device. Suggested-by: Maxime Ripard <mripard@kernel.org> Link: https://lore.kernel.org/all/20250106-vigorous-talented-viper-fa49d9@houat/ Reviewed-by: Maxime Ripard <mripard@kernel.org> Link: https://patch.msgid.link/20251112-drm-bridge-atomic-vs-remove-v3-1-85db717ce094@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>