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virtio: fix build for configs without dma-bufs

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Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: David Stevens <stevensd@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20200819031011.310180-1-stevensd@chromium.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
David Stevens 2020-08-19 12:10:11 +09:00 committed by Gerd Hoffmann
parent a25b6b273f
commit 9fe2f89749
4 changed files with 13 additions and 1 deletions
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1
drivers/gpu/drm/virtio/Kconfig
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@ -4,6 +4,7 @@ config DRM_VIRTIO_GPU
depends on DRM && VIRTIO && MMU
select DRM_KMS_HELPER
select DRM_GEM_SHMEM_HELPER
select VIRTIO_DMA_SHARED_BUFFER
help
This is the virtual GPU driver for virtio. It can be used with
QEMU based VMMs (like KVM or Xen).

7
drivers/virtio/Kconfig
View File

@ -126,4 +126,11 @@ config VIRTIO_MMIO_CMDLINE_DEVICES
If unsure, say 'N'.
config VIRTIO_DMA_SHARED_BUFFER
tristate
depends on DMA_SHARED_BUFFER
help
This option adds a flavor of dma buffers that are backed by
virtio resources.
endif # VIRTIO_MENU

3
drivers/virtio/Makefile
View File

@ -1,5 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_VIRTIO) += virtio.o virtio_ring.o virtio_dma_buf.o
obj-$(CONFIG_VIRTIO) += virtio.o virtio_ring.o
obj-$(CONFIG_VIRTIO_MMIO) += virtio_mmio.o
obj-$(CONFIG_VIRTIO_PCI) += virtio_pci.o
virtio_pci-y := virtio_pci_modern.o virtio_pci_common.o
@ -8,3 +8,4 @@ obj-$(CONFIG_VIRTIO_BALLOON) += virtio_balloon.o
obj-$(CONFIG_VIRTIO_INPUT) += virtio_input.o
obj-$(CONFIG_VIRTIO_VDPA) += virtio_vdpa.o
obj-$(CONFIG_VIRTIO_MEM) += virtio_mem.o
obj-$(CONFIG_VIRTIO_DMA_SHARED_BUFFER) += virtio_dma_buf.o

3
drivers/virtio/virtio_dma_buf.c
View File

@ -5,6 +5,7 @@
* Copyright (C) 2020 Google, Inc.
*/
#include <linux/module.h>
#include <linux/virtio_dma_buf.h>
/**
@ -83,3 +84,5 @@ int virtio_dma_buf_get_uuid(struct dma_buf *dma_buf,
return ops->get_uuid(dma_buf, uuid);
}
EXPORT_SYMBOL(virtio_dma_buf_get_uuid);
MODULE_LICENSE("GPL");