diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 9615ba9d7d9b4bba65282ce510d94a9bc4831e6a..f21600cbd10dbace9ab54a2db259f5caa5e38b83 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -736,6 +736,22 @@ int amdgpu_bo_validate(struct amdgpu_bo *bo) return r; } +/** + * amdgpu_bo_add_to_shadow_list - add a BO to the shadow list + * + * @bo: BO that will be inserted into the shadow list + * + * Insert a BO to the shadow list. + */ +void amdgpu_bo_add_to_shadow_list(struct amdgpu_bo *bo) +{ + struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); + + mutex_lock(&adev->shadow_list_lock); + list_add_tail(&bo->shadow_list, &adev->shadow_list); + mutex_unlock(&adev->shadow_list_lock); +} + /** * amdgpu_bo_restore_shadow - restore an &amdgpu_bo shadow * diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 07687a147d459602ea19ecc7d0ebae46f0b1093c..981ec7309b51ad9fd655dafbb32b6bc6bfdc94c2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h @@ -259,6 +259,22 @@ static inline bool amdgpu_bo_encrypted(struct amdgpu_bo *bo) return bo->flags & AMDGPU_GEM_CREATE_ENCRYPTED; } +/** + * amdgpu_bo_shadowed - check if the BO is shadowed + * + * @bo: BO to be tested. + * + * Returns: + * NULL if not shadowed or else return a BO pointer. + */ +static inline struct amdgpu_bo *amdgpu_bo_shadowed(struct amdgpu_bo *bo) +{ + if (bo->tbo.type == ttm_bo_type_kernel) + return to_amdgpu_bo_vm(bo)->shadow; + + return NULL; +} + bool amdgpu_bo_is_amdgpu_bo(struct ttm_buffer_object *bo); void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain); @@ -322,6 +338,7 @@ u64 amdgpu_bo_gpu_offset_no_check(struct amdgpu_bo *bo); int amdgpu_bo_validate(struct amdgpu_bo *bo); void amdgpu_bo_get_memory(struct amdgpu_bo *bo, uint64_t *vram_mem, uint64_t *gtt_mem, uint64_t *cpu_mem); +void amdgpu_bo_add_to_shadow_list(struct amdgpu_bo *bo); int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow, struct dma_fence **fence); uint32_t amdgpu_bo_get_preferred_pin_domain(struct amdgpu_device *adev,