Commit 1fdc79f6 authored by Nirmoy Das's avatar Nirmoy Das Committed by Alex Deucher
Browse files

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: default avatarNirmoy Das <nirmoy.das@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2a675640

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

+16 −0
Original line number Diff line number Diff line
@@ -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

 *

drivers/gpu/drm/amd/amdgpu/amdgpu_object.h

+17 −0
Original line number Diff line number Diff line
@@ -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,