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Commit 372bc1e1 authored by Chunming Zhou's avatar Chunming Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: add bo list copy 



Signed-off-by: default avatarChunming Zhou <david1.zhou@amd.com>
Acked-by: default avatarChristian K?nig <christian.koenig@amd.com>
Reviewed-by: default avatarJammy Zhou <Jammy.Zhou@amd.com>
parent c1b69ed0

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

+3 −0
Original line number Diff line number Diff line
@@ -1062,6 +1062,9 @@ struct amdgpu_bo_list { 
struct amdgpu_bo_list *

amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id);

void amdgpu_bo_list_put(struct amdgpu_bo_list *list);

void amdgpu_bo_list_copy(struct amdgpu_device *adev,

			 struct amdgpu_bo_list *dst,

			 struct amdgpu_bo_list *src);

void amdgpu_bo_list_free(struct amdgpu_bo_list *list);



/*

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

+50 −0
Original line number Diff line number Diff line
@@ -166,6 +166,56 @@ void amdgpu_bo_list_put(struct amdgpu_bo_list *list) 
	mutex_unlock(&list->lock);

}



void amdgpu_bo_list_copy(struct amdgpu_device *adev,

			 struct amdgpu_bo_list *dst,

			 struct amdgpu_bo_list *src)

{

	struct amdgpu_bo_list_entry *array;

	struct amdgpu_bo *gds_obj = adev->gds.gds_gfx_bo;

	struct amdgpu_bo *gws_obj = adev->gds.gws_gfx_bo;

	struct amdgpu_bo *oa_obj = adev->gds.oa_gfx_bo;



	bool has_userptr = false;

	unsigned i;



	array = drm_calloc_large(src->num_entries, sizeof(struct amdgpu_bo_list_entry));

	if (!array)

		return;

	memset(array, 0, src->num_entries * sizeof(struct amdgpu_bo_list_entry));



	for (i = 0; i < src->num_entries; ++i) {

		memcpy(array, src->array,

		       src->num_entries * sizeof(struct amdgpu_bo_list_entry));

		array[i].robj = amdgpu_bo_ref(src->array[i].robj);

		if (amdgpu_ttm_tt_has_userptr(array[i].robj->tbo.ttm)) {

			has_userptr = true;

			array[i].prefered_domains = AMDGPU_GEM_DOMAIN_GTT;

			array[i].allowed_domains = AMDGPU_GEM_DOMAIN_GTT;

		}

		array[i].tv.bo = &array[i].robj->tbo;

		array[i].tv.shared = true;



		if (array[i].prefered_domains == AMDGPU_GEM_DOMAIN_GDS)

			gds_obj = array[i].robj;

		if (array[i].prefered_domains == AMDGPU_GEM_DOMAIN_GWS)

			gws_obj = array[i].robj;

		if (array[i].prefered_domains == AMDGPU_GEM_DOMAIN_OA)

			oa_obj = array[i].robj;

	}



	for (i = 0; i < dst->num_entries; ++i)

		amdgpu_bo_unref(&dst->array[i].robj);



	drm_free_large(dst->array);



	dst->gds_obj = gds_obj;

	dst->gws_obj = gws_obj;

	dst->oa_obj = oa_obj;

	dst->has_userptr = has_userptr;

	dst->array = array;

	dst->num_entries = src->num_entries;

}



void amdgpu_bo_list_free(struct amdgpu_bo_list *list)

{

	unsigned i;