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authorNirmoy Das <nirmoy.das@amd.com>2021-05-26 18:18:40 +0200
committerAlex Deucher <alexander.deucher@amd.com>2021-06-01 22:55:38 -0400
commit1fdc79f6f9dcb9c8af9f53feb2ff61209b4d8287 (patch)
treed0dcf8c785d822d498a41442908efc5c72de05c8 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
parent2a675640bc2db198866499cdc1cc28709a90d8c5 (diff)
drm/admgpu: add two shadow BO helper functions
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 <nirmoy.das@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.h17
1 files changed, 17 insertions, 0 deletions
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,