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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>
This commit is contained in:
Philip Yang
2018-07-23 17:45:46 -04:00
committed by Alex Deucher
parent e14ba95b90
commit 2c5a51f570
4 changed files with 74 additions and 100 deletions
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2
drivers/gpu/drm/amd/amdgpu/Makefile
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@@ -173,7 +173,7 @@ endif
amdgpu-$(CONFIG_COMPAT) += amdgpu_ioc32.o
amdgpu-$(CONFIG_VGA_SWITCHEROO) += amdgpu_atpx_handler.o
amdgpu-$(CONFIG_ACPI) += amdgpu_acpi.o
amdgpu-$(CONFIG_MMU_NOTIFIER) += amdgpu_mn.o
amdgpu-$(CONFIG_HMM_MIRROR) += amdgpu_mn.o
include $(FULL_AMD_PATH)/powerplay/Makefile