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drm/ttm: add bo as parameter to the ttm_tt_create callback

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Instead of calculating the size in bytes just to recalculate the number
of pages from it pass the BO directly to the function.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2018-02-22 10:18:14 +01:00
committed by Alex Deucher
parent 5d95109815
commit dde5da2379
18 changed files with 75 additions and 87 deletions
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7
drivers/gpu/drm/virtio/virtgpu_ttm.c
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@@ -322,20 +322,19 @@ static struct ttm_backend_func virtio_gpu_backend_func = {
.destroy = &virtio_gpu_ttm_backend_destroy,
};
static struct ttm_tt *virtio_gpu_ttm_tt_create(struct ttm_bo_device *bdev,
unsigned long size,
static struct ttm_tt *virtio_gpu_ttm_tt_create(struct ttm_buffer_object *bo,
uint32_t page_flags)
{
struct virtio_gpu_device *vgdev;
struct virtio_gpu_ttm_tt *gtt;
vgdev = virtio_gpu_get_vgdev(bdev);
vgdev = virtio_gpu_get_vgdev(bo->bdev);
gtt = kzalloc(sizeof(struct virtio_gpu_ttm_tt), GFP_KERNEL);
if (gtt == NULL)
return NULL;
gtt->ttm.ttm.func = &virtio_gpu_backend_func;
gtt->vgdev = vgdev;
if (ttm_dma_tt_init(&gtt->ttm, bdev, size, page_flags)) {
if (ttm_dma_tt_init(&gtt->ttm, bo, page_flags)) {
kfree(gtt);
return NULL;
}