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Commit ca66fb8f authored by Oak Zeng's avatar Oak Zeng Committed by Alex Deucher
Browse files

drm/amdgpu: Add interface to alloc gws from amdgpu 



Add amdgpu_amdkfd interface to alloc and free gws
from amdgpu

Signed-off-by: default avatarOak Zeng <Oak.Zeng@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 29e76462

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

+34 −0
Original line number Diff line number Diff line
@@ -339,6 +339,40 @@ void amdgpu_amdkfd_free_gtt_mem(struct kgd_dev *kgd, void *mem_obj) 
	amdgpu_bo_unref(&(bo));

}



int amdgpu_amdkfd_alloc_gws(struct kgd_dev *kgd, size_t size,

				void **mem_obj)

{

	struct amdgpu_device *adev = (struct amdgpu_device *)kgd;

	struct amdgpu_bo *bo = NULL;

	struct amdgpu_bo_param bp;

	int r;



	memset(&bp, 0, sizeof(bp));

	bp.size = size;

	bp.byte_align = 1;

	bp.domain = AMDGPU_GEM_DOMAIN_GWS;

	bp.flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS;

	bp.type = ttm_bo_type_device;

	bp.resv = NULL;



	r = amdgpu_bo_create(adev, &bp, &bo);

	if (r) {

		dev_err(adev->dev,

			"failed to allocate gws BO for amdkfd (%d)\n", r);

		return r;

	}



	*mem_obj = bo;

	return 0;

}



void amdgpu_amdkfd_free_gws(struct kgd_dev *kgd, void *mem_obj)

{

	struct amdgpu_bo *bo = (struct amdgpu_bo *)mem_obj;



	amdgpu_bo_unref(&bo);

}



uint32_t amdgpu_amdkfd_get_fw_version(struct kgd_dev *kgd,

				      enum kgd_engine_type type)

{

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

+2 −0
Original line number Diff line number Diff line
@@ -153,6 +153,8 @@ int amdgpu_amdkfd_alloc_gtt_mem(struct kgd_dev *kgd, size_t size, 
				void **mem_obj, uint64_t *gpu_addr,

				void **cpu_ptr, bool mqd_gfx9);

void amdgpu_amdkfd_free_gtt_mem(struct kgd_dev *kgd, void *mem_obj);

int amdgpu_amdkfd_alloc_gws(struct kgd_dev *kgd, size_t size, void **mem_obj);

void amdgpu_amdkfd_free_gws(struct kgd_dev *kgd, void *mem_obj);

uint32_t amdgpu_amdkfd_get_fw_version(struct kgd_dev *kgd,

				      enum kgd_engine_type type);

void amdgpu_amdkfd_get_local_mem_info(struct kgd_dev *kgd,