drm/ttm: add ttm_bo_io_mem_pfn to check io_mem_pfn

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The io_mem_pfn field was added in commit ea642c3216 ("drm/ttm: add
io_mem_pfn callback") and is called unconditionally. However, not all
drivers were updated to set it.

Use the ttm_bo_default_io_mem_pfn function if a driver did not set its
own. And add new function ttm_bo_io_mem_pfn() as wrapper.

Signed-off-by: Michal Srb <msrb@suse.com>
Signed-off-by: Tan Xiaojun <tanxiaojun@huawei.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Tan Xiaojun 2017-12-25 11:43:23 +08:00 • committed by Alex Deucher

parent 727ffdf2ac

commit c67fa6edc8

1 changed files with 12 additions and 1 deletions

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drivers/gpu/drm/ttm/ttm_bo_vm.c

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