drm/ttm: Quick-test mmap offset in ttm_bo_mmap()

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A BO's address has to be at least the minimum offset. Sharing this
test in ttm_bo_mmap() removes code from drivers. A full buffer-address
validation is still done within drm_vma_offset_lockup_locked().

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Thomas Zimmermann 2019-02-07 09:59:30 +01:00 • committed by Alex Deucher

parent 7d1500f9fb

commit bed2dd8421

12 changed files with 23 additions and 77 deletions

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9

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

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9

drivers/gpu/drm/ast/ast_ttm.c

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9

drivers/gpu/drm/bochs/bochs_mm.c

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9

drivers/gpu/drm/cirrus/cirrus_ttm.c

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9

drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c

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9

drivers/gpu/drm/mgag200/mgag200_ttm.c

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3

drivers/gpu/drm/nouveau/nouveau_ttm.c

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9

drivers/gpu/drm/qxl/qxl_ttm.c

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10

drivers/gpu/drm/radeon/radeon_ttm.c

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3

drivers/gpu/drm/ttm/ttm_bo_vm.c

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11

drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c

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10

drivers/staging/vboxvideo/vbox_ttm.c

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