From 1fdc79f6f9dcb9c8af9f53feb2ff61209b4d8287 Mon Sep 17 00:00:00 2001 From: Nirmoy Das Date: Wed, 26 May 2021 18:18:40 +0200 Subject: drm/admgpu: add two shadow BO helper functions MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add amdgpu_bo_add_to_shadow_list() to handle shadow list additions and amdgpu_bo_shadowed() to check if a BO is shadowed. Signed-off-by: Nirmoy Das Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h index 07687a147d45..981ec7309b51 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, -- cgit v1.2.3-70-g09d2