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virtio-gpu: add basic prime support

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This is enough to enable DRI3.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Dave Airlie 2015-01-23 13:04:11 +10:00 • committed by Gerd Hoffmann
parent 62fb7a5e10
commit 11a8f2805d
4 changed files with 96 additions and 2 deletions
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12
drivers/gpu/drm/virtio/virtgpu_drv.h
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@ -359,6 +359,18 @@ int virtio_gpu_object_get_sg_table(struct virtio_gpu_device *qdev,
void virtio_gpu_object_free_sg_table(struct virtio_gpu_object *bo);
int virtio_gpu_object_wait(struct virtio_gpu_object *bo, bool no_wait);
/* virtgpu_prime.c */
int virtgpu_gem_prime_pin(struct drm_gem_object *obj);
void virtgpu_gem_prime_unpin(struct drm_gem_object *obj);
struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
struct drm_gem_object *virtgpu_gem_prime_import_sg_table(
struct drm_device *dev, struct dma_buf_attachment *attach,
struct sg_table *sgt);
void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj);
void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
int virtgpu_gem_prime_mmap(struct drm_gem_object *obj,
struct vm_area_struct *vma);
static inline struct virtio_gpu_object*
virtio_gpu_object_ref(struct virtio_gpu_object *bo)
{