On Wed, Nov 15, 2017 at 05:11:49PM +0800, Tina Zhang wrote: > v17->v18: > 1) unmap vgpu's opregion when destroying vgpu. > 2) update comments for VFIO_DEVICE_GET_GFX_DMABUF. (Alex) > This patch set adds the dma-buf support for intel GVT-g. > > dma-buf is an uniform mechanism to share DMA buffers across different > devices and subsystems. dma-buf for intel GVT-g is mainly used to share > the vgpu's framebuffer to userspace to leverage userspace graphics stacks > to render the framebuffer to the display monitor. > > The main idea is that we create a gem object and set vgpu's framebuffer as > its backing storage. Then, export a dma-buf associated with this gem object. > With the fd of this dma-buf, userspace can directly handle this buffer. > > This patch set can be tried with the following example: > git://git.kraxel.org/qemu branch: work/intel-vgpu > > A topic branch with the latest patch set is: > https://github.com/intel/gvt-linux.git branch: topic/dmabuf Tested-by: Gerd Hoffmann <kraxel@xxxxxxxxxx> _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
