[PATCH] virtio-gpu: Remove stride and layer_stride check for dGPU prime on VM

From: Julia Zhang
Date: Tue Jul 04 2023 - 23:57:33 EST


Remove stride and layer_stride check in virtio-gpu so that virgl can
send transfer data command with non zero stride to sync up data from
guest to host for dGPU prime on VM.

Link: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23896

Signed-off-by: Julia Zhang <julizhan@xxxxxxx>
---
drivers/gpu/drm/virtio/virtgpu_ioctl.c | 10 ----------
1 file changed, 10 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 5d05093014ac..4d3f8d36e3c7 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -414,11 +414,6 @@ static int virtio_gpu_transfer_from_host_ioctl(struct drm_device *dev,
goto err_put_free;
}

- if (!bo->host3d_blob && (args->stride || args->layer_stride)) {
- ret = -EINVAL;
- goto err_put_free;
- }
-
ret = virtio_gpu_array_lock_resv(objs);
if (ret != 0)
goto err_put_free;
@@ -473,11 +468,6 @@ static int virtio_gpu_transfer_to_host_ioctl(struct drm_device *dev, void *data,
} else {
virtio_gpu_create_context(dev, file);

- if (!bo->host3d_blob && (args->stride || args->layer_stride)) {
- ret = -EINVAL;
- goto err_put_free;
- }
-
ret = virtio_gpu_array_lock_resv(objs);
if (ret != 0)
goto err_put_free;
--
2.34.1