A resource will be a shmem based resource or a (planned) vram based resource, so it makes sense to factor out common fields (resource handle, dumb).

v2: move mapped field to shmem object

Signed-off-by: Gurchetan Singh gurchetansingh@chromium.org --- drivers/gpu/drm/virtio/virtgpu_drv.h | 13 +++++++---- drivers/gpu/drm/virtio/virtgpu_object.c | 31 ++++++++++++++----------- drivers/gpu/drm/virtio/virtgpu_vq.c | 6 +++-- 3 files changed, 30 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index ce73895cf74b..8e2027da6cce 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.h +++ b/drivers/gpu/drm/virtio/virtgpu_drv.h @@ -69,16 +69,21 @@ struct virtio_gpu_object_params { struct virtio_gpu_object { struct drm_gem_shmem_object base; uint32_t hw_res_handle; - - struct sg_table *pages; - uint32_t mapped; - bool dumb; bool created; }; #define gem_to_virtio_gpu_obj(gobj) \ container_of((gobj), struct virtio_gpu_object, base.base)

+struct virtio_gpu_object_shmem { + struct virtio_gpu_object base; + struct sg_table *pages; + uint32_t mapped; +}; + +#define to_virtio_gpu_shmem(virtio_gpu_object) \ + container_of((virtio_gpu_object), struct virtio_gpu_object_shmem, base) + struct virtio_gpu_object_array { struct ww_acquire_ctx ticket; struct list_head next; diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c index c5cad949eb8d..1f8b062bb9eb 100644 --- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -65,16 +65,17 @@ static void virtio_gpu_resource_id_put(struct virtio_gpu_device *vgdev, uint32_t void virtio_gpu_cleanup_object(struct virtio_gpu_object *bo) { struct virtio_gpu_device *vgdev = bo->base.base.dev->dev_private; + struct virtio_gpu_object_shmem *shmem = to_virtio_gpu_shmem(bo);

- if (bo->pages) { - if (bo->mapped) { + if (shmem->pages) { + if (shmem->mapped) { dma_unmap_sg(vgdev->vdev->dev.parent, - bo->pages->sgl, bo->mapped, + shmem->pages->sgl, shmem->mapped, DMA_TO_DEVICE); - bo->mapped = 0; + shmem->mapped = 0; } - sg_free_table(bo->pages); - bo->pages = NULL; + sg_free_table(shmem->pages); + shmem->pages = NULL; drm_gem_shmem_unpin(&bo->base.base); } virtio_gpu_resource_id_put(vgdev, bo->hw_res_handle); @@ -133,6 +134,7 @@ static int virtio_gpu_object_shmem_init(struct virtio_gpu_device *vgdev, unsigned int *nents) { bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev); + struct virtio_gpu_object_shmem *shmem = to_virtio_gpu_shmem(bo); struct scatterlist *sg; int si, ret;

@@ -140,19 +142,20 @@ static int virtio_gpu_object_shmem_init(struct virtio_gpu_device *vgdev, if (ret < 0) return -EINVAL;

- bo->pages = drm_gem_shmem_get_sg_table(&bo->base.base); - if (!bo->pages) { + shmem->pages = drm_gem_shmem_get_sg_table(&bo->base.base); + if (!shmem->pages) { drm_gem_shmem_unpin(&bo->base.base); return -EINVAL; }

if (use_dma_api) { - bo->mapped = dma_map_sg(vgdev->vdev->dev.parent, - bo->pages->sgl, bo->pages->nents, - DMA_TO_DEVICE); - *nents = bo->mapped; + shmem->mapped = dma_map_sg(vgdev->vdev->dev.parent, + shmem->pages->sgl, + shmem->pages->nents, + DMA_TO_DEVICE); + *nents = shmem->mapped; } else { - *nents = bo->pages->nents; + *nents = shmem->pages->nents; }

*ents = kmalloc_array(*nents, sizeof(struct virtio_gpu_mem_entry), @@ -162,7 +165,7 @@ static int virtio_gpu_object_shmem_init(struct virtio_gpu_device *vgdev, return -ENOMEM; }

- for_each_sg(bo->pages->sgl, sg, *nents, si) { + for_each_sg(shmem->pages->sgl, sg, *nents, si) { (*ents)[si].addr = cpu_to_le64(use_dma_api ? sg_dma_address(sg) : sg_phys(sg)); diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index 5e2375e0f7bb..73854915ec34 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -600,10 +600,11 @@ void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev, struct virtio_gpu_transfer_to_host_2d *cmd_p; struct virtio_gpu_vbuffer *vbuf; bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev); + struct virtio_gpu_object_shmem *shmem = to_virtio_gpu_shmem(bo);

if (use_dma_api) dma_sync_sg_for_device(vgdev->vdev->dev.parent, - bo->pages->sgl, bo->pages->nents, + shmem->pages->sgl, shmem->pages->nents, DMA_TO_DEVICE);

cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p)); @@ -1015,10 +1016,11 @@ void virtio_gpu_cmd_transfer_to_host_3d(struct virtio_gpu_device *vgdev, struct virtio_gpu_transfer_host_3d *cmd_p; struct virtio_gpu_vbuffer *vbuf; bool use_dma_api = !virtio_has_iommu_quirk(vgdev->vdev); + struct virtio_gpu_object_shmem *shmem = to_virtio_gpu_shmem(bo);

if (use_dma_api) dma_sync_sg_for_device(vgdev->vdev->dev.parent, - bo->pages->sgl, bo->pages->nents, + shmem->pages->sgl, shmem->pages->nents, DMA_TO_DEVICE);

cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p));