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036ef5733b
Drivers may need to store the state of shared resources, such as PLLs or FIFO space, into the atomic state. Allow this by making it possible to subclass drm_atomic_state. Changes since v1: - Change member names for functions to atomic_state_(alloc,clear) - Change __drm_atomic_state_new to drm_atomic_state_init - Allow free function to be overridden too, in case extra memory is allocated in alloc. Changes since v2: - Rename *_default_free to default_release, to make clear it doesn't free the state object itself. Cc: dri-devel@lists.freedesktop.org Acked-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>