deepin: KABI:drm/ttm: Add kabi reserve in ttm_resource.h

[yunjianshijie]

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I9244H

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Reserve space for ttm_resource_manager_func, ttm_resource_manager, ttm_bus_placement and ttm_resource in ttm_resource.h

Summary by Sourcery

Add DEEPIN_KABI_RESERVE entries to ttm_resource.h to maintain Deepin kernel ABI compatibility for TTM resource management structs

Bug Fixes:

• Reserve space in struct ttm_resource_manager_func for future ABI changes
• Reserve space in struct ttm_resource_manager for future ABI changes
• Reserve space in struct ttm_bus_placement for future ABI changes
• Reserve space in struct ttm_resource for future ABI changes

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

The patch updates ttm_resource.h by including the Deepin KABI header and inserting DEEPIN_KABI_RESERVE padding fields into key DRM TTM structures to preserve Deepin ABI compatibility.

Class diagram for updated DRM TTM structures with Deepin KABI reserves

classDiagram
    class ttm_resource_manager_func {
        +void (*debug)(ttm_resource_manager*, drm_printer*)
        +DEEPIN_KABI_RESERVE(1)
        +DEEPIN_KABI_RESERVE(2)
        +DEEPIN_KABI_RESERVE(3)
        +DEEPIN_KABI_RESERVE(4)
    }
    class ttm_resource_manager {
        +uint64_t usage
        +DEEPIN_KABI_RESERVE(1)
        +DEEPIN_KABI_RESERVE(2)
    }
    class ttm_bus_placement {
        +phys_addr_t offset
        +bool is_iomem
        +ttm_caching caching
        +DEEPIN_KABI_RESERVE(1)
        +DEEPIN_KABI_RESERVE(2)
    }
    class ttm_resource {
        +list_head lru
        +DEEPIN_KABI_RESERVE(1)
        +DEEPIN_KABI_RESERVE(2)
        +DEEPIN_KABI_RESERVE(3)
        +DEEPIN_KABI_RESERVE(4)
    }

Loading

File-Level Changes

Change	Details	Files
Include Deepin KABI support header	Add #include <linux/deepin_kabi.h> at the top of ttm_resource.h	include/drm/ttm/ttm_resource.h
Add DEEPIN_KABI_RESERVE fields for ABI padding	Insert four DEEPIN_KABI_RESERVE entries in struct ttm_resource_manager_func Insert two DEEPIN_KABI_RESERVE entries in struct ttm_resource_manager Insert two DEEPIN_KABI_RESERVE entries in struct ttm_bus_placement Insert four DEEPIN_KABI_RESERVE entries in struct ttm_resource	include/drm/ttm/ttm_resource.h

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[deepin-ci-robot]

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[deepin-ci-robot]

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