On 09/18/2018 11:46 PM, Gerd Hoffmann wrote: > Hi, > >> buffer. I tried to put a dma_sync_sg_for_device() on virtio_gpu_object obj->pages-sgl >> before VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D is sent. This fixes the kernel console path. > > That should be the right place. > >> Once display manger is kicked off for example (sudo systemctl start lightdm.service) and >> resource id 3 gets created from user space down, it still gives a blank black screen. > > Hmm. I'd suspect there is simply a code path missing. Can you send the > patch you have? > > cheers, > Gerd > I sent the patch. For now it does dma_sync_sg on the pages in TRANSFER_TO_HOST_2D/3D when use_dma_api is true. https://lore.kernel.org/lkml/20180919070931.91168-1-jiandi.an@xxxxxxx/ - Jiandi _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
