diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 29 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 2 |
2 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index b17734e0ecc8..162411bd8145 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -287,6 +287,35 @@ error_free: return r; } +/** + * amdgpu_bo_free_kernel - free BO for kernel use + * + * @bo: amdgpu BO to free + * + * unmaps and unpin a BO for kernel internal use. + */ +void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr, + void **cpu_addr) +{ + if (*bo == NULL) + return; + + if (likely(amdgpu_bo_reserve(*bo, false) == 0)) { + if (cpu_addr) + amdgpu_bo_kunmap(*bo); + + amdgpu_bo_unpin(*bo); + amdgpu_bo_unreserve(*bo); + } + amdgpu_bo_unref(bo); + + if (gpu_addr) + *gpu_addr = 0; + + if (cpu_addr) + *cpu_addr = NULL; +} + int amdgpu_bo_create_restricted(struct amdgpu_device *adev, unsigned long size, int byte_align, bool kernel, u32 domain, u64 flags, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index b6a27390ef88..3032c541ef0e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -128,6 +128,8 @@ int amdgpu_bo_create_kernel(struct amdgpu_device *adev, unsigned long size, int align, u32 domain, struct amdgpu_bo **bo_ptr, u64 *gpu_addr, void **cpu_addr); +void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr, + void **cpu_addr); int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr); void amdgpu_bo_kunmap(struct amdgpu_bo *bo); struct amdgpu_bo *amdgpu_bo_ref(struct amdgpu_bo *bo); |