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authorThomas Gleixner <tglx@linutronix.de>2019-11-15 10:30:50 +0100
committerThomas Gleixner <tglx@linutronix.de>2019-11-15 10:30:50 +0100
commitac94be498f84f7327533b62faca4c3da64434904 (patch)
tree63893f37afb67cd400bf60ec16a35440d16f2a90 /drivers/gpu/drm/virtio/virtgpu_object.c
parentdce7cd62754b5d4a6e401b8b0769ec94cf971041 (diff)
parent8c5bd25bf42effd194d4b0b43895c42b374e620b (diff)
Merge branch 'linus' into x86/hyperv
Pick up upstream fixes to avoid conflicts.
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_object.c')
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_object.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c
index b2da31310d24..09b526518f5a 100644
--- a/drivers/gpu/drm/virtio/virtgpu_object.c
+++ b/drivers/gpu/drm/virtio/virtgpu_object.c
@@ -204,6 +204,7 @@ int virtio_gpu_object_get_sg_table(struct virtio_gpu_device *qdev,
.interruptible = false,
.no_wait_gpu = false
};
+ size_t max_segment;
/* wtf swapping */
if (bo->pages)
@@ -215,8 +216,13 @@ int virtio_gpu_object_get_sg_table(struct virtio_gpu_device *qdev,
if (!bo->pages)
goto out;
- ret = sg_alloc_table_from_pages(bo->pages, pages, nr_pages, 0,
- nr_pages << PAGE_SHIFT, GFP_KERNEL);
+ max_segment = virtio_max_dma_size(qdev->vdev);
+ max_segment &= PAGE_MASK;
+ if (max_segment > SCATTERLIST_MAX_SEGMENT)
+ max_segment = SCATTERLIST_MAX_SEGMENT;
+ ret = __sg_alloc_table_from_pages(bo->pages, pages, nr_pages, 0,
+ nr_pages << PAGE_SHIFT,
+ max_segment, GFP_KERNEL);
if (ret)
goto out;
return 0;