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drm/amdgpu: Add GPUVM memory management functions for KFD

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v2:
* Removed unused flags from struct kgd_mem
* Updated some comments
* Added a check to unmap_memory_from_gpu whether BO was mapped

v3: add mutex_destroy in relevant places

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Felix Kuehling
2018-02-06 20:32:38 -05:00
committed by Oded Gabbay
parent 3c728d3aa1
commit a46a2cd103
11 changed files with 1819 additions and 4 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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@@ -36,6 +36,7 @@
#include <drm/drm_cache.h>
#include "amdgpu.h"
#include "amdgpu_trace.h"
#include "amdgpu_amdkfd.h"
static bool amdgpu_need_backup(struct amdgpu_device *adev)
{
@@ -54,6 +55,9 @@ static void amdgpu_ttm_bo_destroy(struct ttm_buffer_object *tbo)
struct amdgpu_device *adev = amdgpu_ttm_adev(tbo->bdev);
struct amdgpu_bo *bo = ttm_to_amdgpu_bo(tbo);
if (bo->kfd_bo)
amdgpu_amdkfd_unreserve_system_memory_limit(bo);
amdgpu_bo_kunmap(bo);
drm_gem_object_release(&bo->gem_base);