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Commit 3af96f34 authored by Helen Koike's avatar Helen Koike Committed by Greg Kroah-Hartman
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drm/vc4: fix fb references in async update



commit c16b85559dcfb5a348cc085a7b4c75ed49b05e2c upstream.

Async update callbacks are expected to set the old_fb in the new_state
so prepare/cleanup framebuffers are balanced.

Calling drm_atomic_set_fb_for_plane() (which gets a reference of the new
fb and put the old fb) is not required, as it's taken care by
drm_mode_cursor_universal() when calling drm_atomic_helper_update_plane().

Cc: <stable@vger.kernel.org> # v4.19+
Fixes: 539c320b ("drm/vc4: update cursors asynchronously through atomic")
Suggested-by: default avatarBoris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: default avatarHelen Koike <helen.koike@collabora.com>
Reviewed-by: default avatarBoris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: default avatarBoris Brezillon <boris.brezillon@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190603165610.24614-5-helen.koike@collabora.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent afec7068
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