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ddf2ca4faf
Chain stored modifiers point to the mapping of the current feedback shmem of the surface. The surface tracked feedback mapping will be gone and replaced with new mapping during surface_dmabuf_feedback_done. There are two issues here: 1. One issue is that the existing mapping is closed before been used to compare against new modifiers in sets_of_modifiers_are_the_same. 2. The other issue is that when the chain is still optimal, the chain persists while the mapping is still replaced with the one from the new format table shmem. This change makes a deep copy of the modifiers to store in the chain to ensure the modifiers used for the current chain are immutable through the chain lifecycle. Cc: mesa-stable Signed-off-by: Yiwei Zhang <zzyiwei@chromium.org> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Reviewed-by: Leandro Ribeiro <leandro.ribeiro@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26618> |
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