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drm/amdgpu: add bo list copy

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Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Christian K?nig <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
This commit is contained in:
Chunming Zhou 2015-07-21 13:47:05 +08:00 committed by Alex Deucher
parent c1b69ed0c6
commit 372bc1e18c
2 changed files with 53 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -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);
/*

50
drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
View File

@ -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;