* [PATCH] virtio-gpu: Remove stride and layer_stride check for dGPU prime on VM
@ 2023-07-05 3:56 Julia Zhang
0 siblings, 0 replies; only message in thread
From: Julia Zhang @ 2023-07-05 3:56 UTC (permalink / raw)
To: Juergen Gross, Gurchetan Singh, Chia-I Wu, David Airlie,
Gerd Hoffmann, Oleksandr Tyshchenko, Boris Ostrovsky,
Roger Pau Monné,
Jan Beulich, linux-kernel, dri-devel, amd-gfx, virtualization
Cc: Alex Deucher, Stefano Stabellini, Christian König,
Xenia Ragiadakou, Erik Faye-Lund, Qiang Yu,
Marek Olšák, Robert Beckett,
Pierre-Eric Pelloux-Prayer, Honglei Huang, Chen Jiqian,
Huang Rui, Julia Zhang, Julia Zhang
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@amd.com>
---
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
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