On 08/24/2018 02:21 AM, Christian König wrote:
> Am 24.08.2018 um 01:05 schrieb Jiandi An:
>>
>>
>> On 08/23/2018 01:47 AM, Christian König wrote:
>>> Am 22.08.2018 um 22:57 schrieb Jiandi An:
>>>>
>>>> On 08/22/2018 02:09 PM, Christian König
On 09/20/2018 01:32 AM, Gerd Hoffmann wrote:
> Hi,
>
>> void virtio_gpu_cmd_transfer_to_host_2d(struct virtio_gpu_device *vgdev,
>> uint32_t resource_id, uint64_t
>> offset,
>> ...
>> struct virtio_gpu_fbdev *vgfbdev = vgdev->vgfbdev;
>> struc
t, for dma sync.
>
> Signed-off-by: Gerd Hoffmann
Tested-by: Jiandi An
> ---
> drivers/gpu/drm/virtio/virtgpu_drv.h | 6 --
> drivers/gpu/drm/virtio/virtgpu_fb.c|
On 09/19/2018 06:38 AM, Gerd Hoffmann wrote:
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 m
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 disp
On 09/12/2018 02:25 AM, Gerd Hoffmann wrote:
> Hi,
>
>> I attempted to fix it in the ttm layer and here is the discussion
>> https://lore.kernel.org/lkml/b44280d7-eb13-0996-71f5-3fbdeb466...@amd.com/
>>
>> The ttm maintainer Christian is suggesting to map and set ttm->pages as
>> decrypted
>>
I tested this with Gerd's qemu side fix with in the sirius/virtio-gpu-iommu
branch
https://git.kraxel.org/cgit/qemu/commit/?h=sirius/virtio-gpu-iommu&id=86f9d30e4a44ca47f007e51ab5744f87e79fb83e
While this resolves the issue where iommu_platform attribute can be specified
for virtio-gpu device in
On 08/23/2018 01:47 AM, Christian König wrote:
Am 22.08.2018 um 22:57 schrieb Jiandi An:
On 08/22/2018 02:09 PM, Christian König wrote:
Am 22.08.2018 um 20:57 schrieb Jiandi An:
Framebuffer memory needs to be accessed decrypted. Ensure the
memory encryption mask is not set for the ttm
On 08/22/2018 02:09 PM, Christian König wrote:
> Am 22.08.2018 um 20:57 schrieb Jiandi An:
>> Framebuffer memory needs to be accessed decrypted. Ensure the
>> memory encryption mask is not set for the ttm framebuffer mappings.
>
> NAK, the memory not only needs to b
Framebuffer memory needs to be accessed decrypted. Ensure the
memory encryption mask is not set for the ttm framebuffer mappings.
Signed-off-by: Jiandi An
---
drivers/gpu/drm/ttm/ttm_bo_util.c | 12 +++-
drivers/gpu/drm/ttm/ttm_bo_vm.c | 6 --
2 files changed, 15 insertions
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