Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit aa1d562e authored by Junwei Zhang's avatar Junwei Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: add a new helper to free a BO in kernel allocations 



Free the BO allocated by amdgpu_bo_create_kernel()

Signed-off-by: default avatarJunwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ad2473af

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

+29 −0
Original line number Diff line number Diff line
@@ -287,6 +287,35 @@ int amdgpu_bo_create_kernel(struct amdgpu_device *adev, 
	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,

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

+2 −0
Original line number Diff line number Diff line
@@ -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);