drm/amdgpu: use HMM callback to replace mmu notifier

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Replace our MMU notifier with hmm_mirror_ops.sync_cpu_device_pagetables
callback. Enable CONFIG_HMM and CONFIG_HMM_MIRROR as a dependency in
DRM_AMDGPU_USERPTR Kconfig.

It supports both KFD userptr and gfx userptr paths.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Philip Yang 2018-07-23 17:45:46 -04:00 • committed by Alex Deucher

parent f8b18cf4c3

commit 57731a0779

4 changed files with 72 additions and 98 deletions

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6

drivers/gpu/drm/amd/amdgpu/Kconfig

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2

drivers/gpu/drm/amd/amdgpu/Makefile

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164

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

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2

drivers/gpu/drm/amd/amdgpu/amdgpu_mn.h

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